On Time Support MET/CAL Procedure ============================================================================= INSTRUMENT: Tek 2465B: CAL ADJ /5520+SC600,45 DATE: 27-Aug-98 AUTHOR: Fluke Corporation REVISION: $Revision: 1.1 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 2 NUMBER OF LINES: 2330 CONFIGURATION: Fluke 45 CONFIGURATION: Fluke 5520A (S6) ============================================================================= # # Source: # Tektronix 2465B/2467B Oscilloscope Service Manual - Section 5 # # Compatibility: # 5500/CAL 4.24 or MET/CAL 4.24 or later # # Subprocedures: # None # # Required Files: # 2465ADJ1.bmp # 2465ADJ2.bmp # 2465ADJ3.bmp # 2465ADJ4.bmp # # Fluke makes no warranty, expressed or implied, as to the fitness # or suitability of this procedure in the customer's application. # STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK- R D N P J A W 1.002 HEAD ********************* WARNING ************************* 1.003 DISP Dangerous potentials exist at several points throughout 1.003 DISP this instrument. Do not touch exposed connections or 1.003 DISP components. Some transitors may have elevated case 1.003 DISP voltages. The line-rectifier capacitors normally retain 1.003 DISP a charge for 15 to 20 seconds after the instrument is 1.003 DISP turned off and can remain charged for a longer period 1.003 DISP if a bleeder-resistor or power-supply problem occurs. 1.004 HEAD PREPARATION 1.005 DISP 1) Unplug the power cord from the AC power source. 1.005 DISP 2) Unplug the power cord from the rear-panel connector. 1.005 DISP 3) Install the front cover, place the cabinet carrying 1.005 DISP handle against the bottom of the cabinet, and set the 1.005 DISP instrument face down on a flat surface. 1.005 DISP 4) Unwrap the power cord and remove it. 1.006 DISP 5) Remove the four screws in the rear feet. 1.006 DISP 6) Remove the two screws from the top-center and 1.006 DISP bottom-center of the rear cover. 1.006 DISP 7) Lift the rear cover away from the instrument, 1.006 DISP leaving the rear feet attached. 1.006 DISP 8) Slide the cabinet off the instrument. 1.007 PIC 2465ADJ3 1.007 PIC (1,42,R/W) "Move jumper P501 to the CAL position" 1.007 PIC (2,42,R/W) "(towards rear of UUT)." 1.007 PIC (3,42,R/W) "Note: Line Power must be off." 1.007 PIC (4,42,R/W) 1.007 PIC "Status of jumper is only detected on power-up." 1.007 PIC (11,24,R/W) "P501" 1.007 PIC (13,26,R/W) "v" 1.008 DISP Connect the instrument to line power and turn it on. 1.008 DISP 1.008 DISP [32] NOTE!!! 1.008 DISP 1.008 DISP The instrument MUST have a 20-minute warmup period 1.008 DISP before making any adjustments. Performing the 1.008 DISP adjustment procedure while the temperature is drifting 1.008 DISP may cause erroneous calibration settings. 1.009 HEAD POWER-UP TESTS 1.010 OPBR Does the top line of the readout display say? 1.010 OPBR 1.010 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT" 1.011 JMPL Begin_Adjustments MEM1 == -1 1.012 OPBR Is the error message on the bottom line of the display 1.012 OPBR "TEST 04 FAIL xx" where "xx" is 01, 10 or 11? 1.013 JMPL Begin_Adjustments MEM1 == 1 1.014 DISP A hardware failure has been detected, the instrument 1.014 DISP must be repaired before attempting calibration. 1.015 JMPL CALIBRATION_ABORTED 1.016 LABEL Begin_Adjustments 1.017 ASK- F 1.018 DISP Press the A/B TRIG button. 1.019 HEAD INITIAL CONTROL SETTINGS 1.020 SET VOLTS/DIV CH 1 : * 1.020 SET VOLTS/DIV CH 2 : 100mV 1.020 SET VOLTS/DIV CH 3 : 100mV 1.020 SET VOLTS/DIV CH 4 : 100mV 1.020 SET CH 1 VAR : In detent (locked CW) 1.020 SET CH 2 VAR : In detent (locked CW) 1.021 SET Channels : 1;On 2;Off 3;Off 4;Off 1.021 SET ADD : Off 1.021 SET INVERT : Off 1.021 SET BW LIMIT : Off 1.021 SET ALT/CHOP : ALT 1.021 SET Input Coupling CH 1 : 1 MOhm DC 1.021 SET Input Coupling CH 2 : 1 MOhm DC 1.022 SET A and B SEC/DIV : X-Y 1.022 SET TRIGGER : +, AUTO LVL, VERT, DC 1.022 SET Delta : V and t Off 1.022 SET TRACKING : * 1.022 SET INTENSITY : Visible display 1.022 SET READOUT INTENSITY : Visible display 1.022 SET FOCUS : Defocused dot 1.023 DISP TRIG HOLDOFF : In detent (locked CW, B ENDS A) 1.023 DISP SCALE ILLUM : Fully CCW 1.023 DISP VERT POS : Midrange 1.023 DISP HORZ POS : Midrange 1.023 DISP TRIG LEVEL : Midrange 1.024 OPBR Do you want to perform Power Supply Checks and Adjusts? 1.025 JMPL DAC_REF_ADJ MEM1 == -1 1.026 HEAD 1. Check/Adjust Power Supply DC Levels (R1292) 1.027 PIC 2445ADJ4 (8,44,R/W) "J119->" 1.027 PIC (10,19,R/W) 1.027 PIC "Connect the DMM positive lead to test pt J119 pin 4." 1.027 PIC (11,19,R/W) 1.027 PIC "Connect the DMM negative lead to chassis ground." 1.028 PIC 2465ADJ1 (10,45,R/W) "R1292" 1.028 PIC (7,7,R/W) 1.028 PIC "Adjust R1292 (VOLT REF ADJ) for an DMM reading of" 1.028 PIC (8,7,R/W) "precisely 10V." 1.028 PIC (9,7,R/W) "Press ADV to begin DMM monitoring." 1.029 MESS Adjust R1292 for a DMM reading of precisely 10.00V. 1.030 45 10V S 2W 1.031 MESS 1.032 HEAD POWER SUPPLY DC LEVELS AND REGULATION: +87V 1.033 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.033 PIC (6,13,R/W) 1.033 PIC "Connect the DMM positive lead to test pt J119 pin 8." 1.034 45 87V N 2W 1.035 JMPL +42.2V ABS(MEM - 87) > 1.74 1.036 DISP Measured [MEM]V FAIL 1.037 JMPL CALIBRATION_ABORTED 1.038 LABEL +42.2V 1.039 HEAD POWER SUPPLY DC LEVELS AND REGULATION: +42.2V 1.040 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.040 PIC (6,13,R/W) 1.040 PIC "Connect the DMM positive lead to test pt J119 pin 9." 1.041 45 42.2V N 2W 1.042 JMPL +15V ABS(MEM - 42.2) > 0.85 1.043 DISP Measured [MEM]V FAIL 1.044 JMPL CALIBRATION_ABORTED 1.045 LABEL +15V 1.046 HEAD POWER SUPPLY DC LEVELS AND REGULATION: +15V 1.047 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.047 PIC (6,13,R/W) 1.047 PIC "Connect the DMM positive lead to test pt J119 pin 6." 1.048 45 15V N 2W 1.049 JMPL Digital+5V ABS(MEM - 15) > 0.225 1.050 DISP Measured [MEM]V FAIL 1.051 JMPL CALIBRATION_ABORTED 1.052 LABEL Digital+5V 1.053 HEAD POWER SUPPLY DC LEVELS AND REGULATION: Digital +5V 1.054 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.054 PIC (6,13,R/W) 1.054 PIC "Connect the DMM positive lead to test pt J119 pin 2." 1.055 45 5V N 2W 1.056 JMPL Analog+5V ABS(MEM - 5) > 0.15 1.057 DISP Measured [MEM]V FAIL 1.058 JMPL CALIBRATION_ABORTED 1.059 LABEL Analog+5V 1.060 HEAD POWER SUPPLY DC LEVELS AND REGULATION: Analog +5V 1.061 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.061 PIC (6,13,R/W) 1.061 PIC "Connect the DMM pos lead to test pt J119 pin 12." 1.062 45 5V N 2W 1.063 JMPL -5V ABS(MEM - 5) > 0.075 1.064 MATH MEM1 = MEM - 5 1.065 DISP Measured [MEM]V FAIL 1.066 JMPL CALIBRATION_ABORTED 1.067 LABEL -5V 1.068 HEAD POWER SUPPLY DC LEVELS AND REGULATION: -5V 1.069 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.069 PIC (6,13,R/W) 1.069 PIC "Connect the DMM positive lead to test pt J119 pin 5." 1.070 45 -5V N 2W 1.071 JMPL -8V ABS(MEM + 5) > 0.035 1.072 DISP Measured [MEM]V FAIL 1.073 JMPL CALIBRATION_ABORTED 1.074 LABEL -8V 1.075 HEAD POWER SUPPLY DC LEVELS AND REGULATION: -8V 1.076 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.076 PIC (6,13,R/W) 1.076 PIC "Connect the DMM pos lead to test pt J119 pin 11." 1.077 45 -8V N 2W 1.078 JMPL -15V ABS(MEM + 8) > 0.12 1.079 DISP Measured [MEM]V FAIL 1.080 JMPL CALIBRATION_ABORTED 1.081 LABEL -15V 1.082 HEAD POWER SUPPLY DC LEVELS AND REGULATION: -15V 1.083 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.083 PIC (6,13,R/W) 1.083 PIC "Connect the DMM positive lead to test pt J119 pin 1." 1.084 45 -15V N 2W 1.085 JMPL RIPPLE ABS(MEM + 15) > 0.225 1.086 DISP Measured [MEM]V FAIL 1.087 JMPL CALIBRATION_ABORTED 1.088 LABEL RIPPLE 1.089 DISP Disconnect the DMM from the UUT. 1.090 HEAD POWER SUPPLY RIPPLE 1.091 OPBR This test requires an oscilloscope. 1.091 OPBR Do you wish to perform the test? 1.092 JMPL DAC_REF_ADJ MEM1 == -1 1.093 DISP Set the test oscilloscope as follows: 1.093 DISP 1.093 DISP Sweep Speed 5ms/div 1.093 DISP CH 1 Input Coupling 1 MOHm AC 1.093 DISP Vertical controls To display CH 1 1.093 DISP Trigger controls Line source, triggered display 1.093 DISP Volts/Division 2mV 1.093 DISP BW Limit 20MHz 1.094 HEAD POWER SUPPLY RIPPLE: J119 pin 4 1.095 PIC 2465ADJ4 (8,44,R/W) "J119->" 1.095 PIC (10,6,R/W) 1.095 PIC "Using a 1X probe, connect the test scope probe tip" 1.095 PIC (11,6,R/W) 1.095 PIC "to J119 pin 4." 1.095 PIC (12,6,R/W) 1.095 PIC "Connect the test scope ground lead to chassis ground." 1.096 OPBR Is the ripple at two times the line frequency <= 1mV 1.096 OPBR and the total peak-to-peak ripple <= 100mV? 1.097 JMPL CALIBRATION_ABORTED MEM1 < 0 1.098 HEAD POWER SUPPLY RIPPLE: J119 pin 8 1.099 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.099 PIC (10,8,R/W) 1.099 PIC "Connect the test scope probe tip to J119 pin 8." 1.100 OPBR Is the ripple at two times the line frequency <= 5mV 1.100 OPBR and the total peak-to-peak ripple <= 80mV? 1.101 JMPL CALIBRATION_ABORTED MEM1 < 0 1.102 HEAD POWER SUPPLY RIPPLE: J119 pin 9 1.103 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.103 PIC (10,8,R/W) 1.103 PIC "Connect the test scope probe tip to J119 pin 9." 1.104 OPBR Is the ripple at two times the line frequency <= 2mV 1.104 OPBR and the total peak-to-peak ripple <= 100mV? 1.105 JMPL CALIBRATION_ABORTED MEM1 < 0 1.106 HEAD POWER SUPPLY RIPPLE: J119 pin 6 1.107 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.107 PIC (10,8,R/W) 1.107 PIC "Connect the test scope probe tip to J119 pin 6." 1.108 OPBR Is the ripple at two times the line frequency <= 11mV 1.108 OPBR and the total peak-to-peak ripple <= 15mV? 1.109 JMPL CALIBRATION_ABORTED MEM1 < 0 1.110 HEAD POWER SUPPLY RIPPLE: J119 pin 2 1.111 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.111 PIC (10,8,R/W) 1.111 PIC "Connect the test scope probe tip to J119 pin 2." 1.112 OPBR Is the ripple at two times the line frequency <= 30mV 1.112 OPBR and the total peak-to-peak ripple <= 150mV? 1.113 JMPL CALIBRATION_ABORTED MEM1 < 0 1.114 HEAD POWER SUPPLY RIPPLE: J119 pin 12 1.115 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.115 PIC (10,8,R/W) 1.115 PIC "Connect the test scope probe tip to J119 pin 12." 1.116 OPBR Is the ripple at two times the line frequency <= 1mV 1.116 OPBR and the total peak-to-peak ripple <= 15mV? 1.117 JMPL CALIBRATION_ABORTED MEM1 < 0 1.118 HEAD POWER SUPPLY RIPPLE: J119 pin 5 1.119 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.119 PIC (10,8,R/W) 1.119 PIC "Connect the test scope probe tip to J119 pin 5." 1.120 OPBR Is the ripple at two times the line frequency <= 1mV 1.120 OPBR and the total peak-to-peak ripple <= 15mV? 1.121 JMPL CALIBRATION_ABORTED MEM1 < 0 1.122 HEAD POWER SUPPLY RIPPLE: J119 pin 11 1.123 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.123 PIC (10,8,R/W) 1.123 PIC "Connect the test scope probe tip to J119 pin 11." 1.124 OPBR Is the ripple at two times the line frequency <= 1mV 1.124 OPBR and the total peak-to-peak ripple <= 100mV? 1.125 JMPL CALIBRATION_ABORTED MEM1 < 0 1.126 HEAD POWER SUPPLY RIPPLE: J119 pin 1 1.127 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.127 PIC (10,8,R/W) 1.127 PIC "Connect the test scope probe tip to J119 pin 1." 1.128 OPBR Is the ripple at two times the line frequency <= 2mV 1.128 OPBR and the total peak-to-peak ripple <= 10mV? 1.129 JMPL CALIBRATION_ABORTED MEM1 < 0 1.130 DISP Disconnect the test oscilloscope from UUT 1.131 LABEL DAC_REF_ADJ 1.132 OPBR Do you want to perform the DAC REF Adjustment? 1.133 JMPL CRT_ADJUSTMENTS MEM1 == -1 1.134 HEAD CONTROL SETTINGS FOR DAC REF ADJUSTMENT 1.135 DISP A and B SEC/DIV : 100uS 1.135 DISP Delta : t On 1.136 HEAD ADJUST DAC REF (R2010) 1.137 PIC 2465ADJ4 (8,43,R/W) "J119->" 1.137 PIC (4,13,R/W) 1.137 PIC "Connect the DMM negative lead to chassis ground." 1.137 PIC (6,13,R/W) 1.137 PIC "Connect the DMM positive lead to test pt J119 pin 13." 1.138 LABEL DAC_REF_ADJ_LOOP 1.139 MESS Rotate the control CCW until the 1.139 MESS DMM reading remains at a constant value 1.139 MESS [32] (Approximately -1.250V) 1.140 45 -1.25V S 2W 1.141 MATH MEM = MEM1 1.142 MESS Rotate the control CW until the 1.142 MESS DMM reading remains at a constant value 1.142 MESS [32] (Approximately +1.250V) 1.143 45 1.25V S 2W 1.144 MATH MEM2 = (2.5 - (MEM1 - MEM)) / 2 + MEM1 1.145 JMPL CRT_ADJUSTMENTS ABS(MEM1 - MEM - 2.5) < 0.01 1.146 DISP The objective of this step is to make the total range 1.146 DISP of the DAC output voltage (sum of the CCW & CW readings) 1.146 DISP equal to 2.5V. 1.147 PIC 2465ADJ3 (4,22,R/W) "<-R2010" 1.147 PIC (1,3,R/W) 1.147 PIC "Adjust R2010 (DAC REF) while monitoring DMM reading." 1.147 PIC (2,3,R/W) 1.147 PIC "Press ADV to begin DMM monitoring." 1.148 MESS Adjust - DAC Ref(R2010) for [mem2]Volts 1.149 45 1.25V S 2W 1.150 JMPL DAC_REF_ADJ_LOOP 1.151 LABEL CRT_ADJUSTMENTS 1.152 OPBR Do you want to perform the CRT Adjustment routine? 1.153 JMPL INPUT_CAP MEM1 == -1 1.154 HEAD ADJUSTMENT LOCATIONS 1.155 DISP [32] NOTE!!! 1.155 DISP All CRT adjustments (other than the Front Panel 1.155 DISP ASTIG, FOCUS and TRACE ROTATION adjustments) 1.155 DISP are accessed through the High Voltage shield located 1.155 DISP on the left side of the instrument near the rear 1.155 DISP of the CRT. 1.155 DISP The location of each adjustment is indicated on the 1.155 DISP shield. 1.156 HEAD 1. Adjust GRID BIAS (R1878) 1.157 LABEL PRESS_ALL_THREE 1.158 DISP Simultaneously press in and hold the t and the 1.158 DISP V push buttons, then press and hold the SLOPE 1.158 DISP button. Hold all three buttons in for approximately 1.158 DISP one second, then release them. 1.159 OPBR Top line of the readout display says? 1.159 OPBR 1.159 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT" 1.160 JMPL PRESS_ALL_THREE MEM1 == -1 # Register M[99] is set when CAL MODE is enabled 1.161 MATH M[99] = 1 1.162 DISP [32] NOTE!!! 1.162 DISP The "menu" of calibration, test, and exercise routines 1.162 DISP are in a loop that may be scrolled through in single 1.162 DISP steps, either forward or backward. Pressing the upper 1.162 DISP or lower TRIGGER MODE push buttons respectivly 1.162 DISP increments or decrements the menu position by one. As 1.162 DISP each routine is selected, its name appears in the lower 1.162 DISP left corner of the readout display. 1.163 DISP Scroll to CAL 08. 1.163 DISP 1.163 DISP [32] NOTE!!! 1.163 DISP 1.163 DISP In this procedure, pressing the upper TRIGGER COUPLING 1.163 DISP button increments the routine to the next step. Pressing 1.163 DISP the lower TRIGGER COUPLING button will return to the 1.163 DISP previous step. 1.164 DISP Press and release the upper TRIGGER COUPLING 1.164 DISP button to initiate the routine. 1.165 SET SCALE ILLUMINATION : full CCW(Off) 1.166 PIC 2465ADJ2 (4,58,R/W) "R1878" 1.166 PIC (1,15,R/W) 1.166 PIC "Adjust GRID BIAS (R1878) if necessary to obtain" 1.166 PIC (2,15,R/W) "an X-Y dot near center screen." 1.167 DISP Position the X-Y dot adjacent to a dot in the lower 1.167 DISP row of readout dots using CH 1 and CH 2 position 1.167 DISP controls. 1.168 JMP 1.170 1.169 DISP Press the lower TRIGGER COUPLING button 1.169 DISP once to return to the Grid Bias adjustment. 1.170 PIC 2465ADJ2 (4,58,R/W) "R1878" 1.170 PIC (1,15,R/W) 1.170 PIC "Adjust GRID BIAS(R1878) to match the intensity" 1.170 PIC (2,15,R/W) 1.170 PIC "of the X-Y dot to the readout dots. (Defocusing" 1.170 PIC (3,15,R/W) 1.170 PIC "the display may give better resolution.)" 1.171 DISP Press and release the upper TRIGGER COUPLING 1.171 DISP button to advance to the next step. 1.172 HEAD 2. Check Grid Bias Adjustment 1.173 SET SCALE ILLUMINATION : full CCW(Off) 1.174 DISP A dim X-Y dot should be visable near graticule center. 1.175 SET INTENSITY : Fully CCW. 1.176 OPBR Has the dot disappeared? 1.177 JMPF 1.169 1.178 DISP Press and release the upper TRIGGER COUPLING 1.178 DISP button to advance to the next step. 1.179 HEAD CRT TRACE ROTATION and Y-AXIS 1.180 DISP Using the CH 1 Vertical POSITION control, align the 1.180 DISP trace with the center horizontal graticule line. 1.180 DISP Position one of the t cursors to the center 1.180 DISP vertical graticule line using either the or 1.180 DISP the REF OR DLY POS control. 1.181 DISP Adjust INTENSITY control to align the trace 1.181 DISP with the center horizontal graticule line. 1.182 DISP Adjust TRACE ROTATION (front panel) to align the trace 1.182 DISP with the center horizontal graticule line. 1.183 PIC 2465ADJ2 (4,36,R/W) "R1848" 1.183 PIC (1,3,R/W) 1.183 PIC "Adjust Y-Axis Alignment(R1848) to align the trace" 1.183 PIC (2,3,R/W) 1.183 PIC "with the center vertical graticule line." 1.184 OPBR Repeat the TRACE ROTATION and Y-AXIS Alignment? 1.185 JMPT 1.182 1.186 HEAD CRT FOCUS and ASTIG 1.187 DISP Adjust ASTIG control(front Panel), in conjunction 1.187 DISP with the FOCUS control(front panel) for the sharpest 1.187 DISP possible display near the center gratucule area. 1.187 DISP 1.187 DISP Position the t cursors on (or within 0.2 division 1.187 DISP of) the first and eleventh vertical graticule lines 1.187 DISP using the REF OR DLY POS and controls. 1.188 DISP [32] NOTE!!!! 1.188 DISP 1.188 DISP Adjust X1 Horizontal Gain(R860) if necessary to position 1.188 DISP the t cursors as described in previous step. 1.188 DISP If the Horizontal Gain(R860) is adjusted, it will be 1.188 DISP necessary to perform CAL 01 to restore optimum 1.188 DISP adjustment. 1.189 LABEL CRT_GEOMETRY 1.190 HEAD CRT GEOMETRY 1.191 PIC 2465ADJ2 (4,53,R/W) "R1870" 1.191 PIC (1,3,R/W) 1.191 PIC "Adjust Geometry( R1870) for minimum curvature" 1.191 PIC (2,3,R/W) "of both t cursors." 1.192 HEAD CRT EDGE FOCUS 1.193 DISP READOUT INTENSITY : OFF 1.193 DISP CH 2 VERT POSITION : TRACE OFF SCREEN 1.194 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.195 5520 1.6Vpp 50kH LS S6 S L 1.196 DISP Center the display on the graticule. 1.196 DISP Set INTENSITY control as necessary for a well defined 1.196 DISP display. 1.197 PIC 2465ADJ2 (4,47,R/W) "R1864" 1.197 PIC (1,3,R/W) 1.197 PIC "Adjust Edge Focus (R1864), FOCUS control (front panel)" 1.197 PIC (2,3,R/W) 1.197 PIC "and ASTIG (front panel) for the most uniform focus" 1.197 PIC (3,3,R/W) 1.197 PIC "over the entire display." 1.198 DISP [32] NOTE!!! 1.198 DISP 1.198 DISP Slight interaction between Geometry, Edge Focus, and 1.198 DISP Focus, and Astigmatism is normal. To achieve optimum 1.198 DISP edge focus it may be necessary to slightly compromise 1.198 DISP the Geometry adjustment. 1.199 5520 * S 1.200 DISP Disconnect the 5520 from the UUT. 1.201 DISP Adjust READOUT INTENSITY control to display 1.201 DISP t cursors and readout information. 1.202 OPBR Does the readout characters remain focused? 1.203 JMPL CRT_GEOMETRY MEM1 == -1 1.204 DISP Press and release the upper TRIGGER COUPLING 1.204 DISP button to advance to the next step. 1.205 HEAD 4. Adjust HIGH DRIVE FOCUS (R1842) 1.206 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.207 5520 1.2Vpp 10MH LS S6 S L 1.208 DISP Center the display on the graticule. 1.208 DISP 1.208 DISP Adjust Horizontal POSITION control to view 1.208 DISP the sweep start. 1.209 PIC 2465ADJ2 (4,31,R/W) "R1842" 1.209 PIC (1,3,R/W) 1.209 PIC "Adjust High Drive Focus (R1842) for the best overall" 1.209 PIC (2,3,R/W) 1.209 PIC "focus of the trace." 1.210 DISP Press and release the upper TRIGGER COUPLING 1.210 DISP button to advance to the next step. 1.211 HEAD 5. Adjust HORIZONTAL DYNAMIC CENTERING (R3401) 1.212 PIC 2465ADJ1 (14,21,R/W) "R3401->" 1.212 PIC (15,30,R/W)"Adjust Horizontal Dynamic Centering (R3401)" 1.212 PIC (16,30,R/W) 1.212 PIC "for minimum horizontal display shift as the INTENSITY." 1.212 PIC (17,30,R/W) 1.212 PIC "control (front panel) is repeatly changed from minimum" 1.212 PIC (18,30,R/W) 1.212 PIC "to maximum trace intensity." 1.213 5520 * S 1.214 DISP Disconnect the 5520A from UUT. 1.215 DISP Press and release the upper TRIGGER COUPLING 1.215 DISP button to advance to the next step. 1.216 HEAD 6. Adjust VERTICAL DYNAMIC CENTERING (R3407) 1.217 PIC 2465ADJ1 (13,18,R/W) "R3407->" 1.217 PIC (13,30,R/W) "Adjust Vertical Dynamic Centering (R3407)" 1.217 PIC (14,30,R/W) 1.217 PIC "for minimum vertical deflection of the intensified" 1.217 PIC (15,30,R/W) 1.217 PIC "zone with respect to the trace." 1.218 DISP [32] NOTE!!! 1.218 DISP 1.218 DISP Correct adjustment will align the intensified zone with 1.218 DISP the trace such that a single horizontal trace results 1.218 DISP with no vertical deflection difference between the trace 1.218 DISP and the intensified zone. 1.219 DISP Press and release the upper TRIGGER COUPLING 1.219 DISP button to conclude CAL 08. 1.220 LABEL INPUT_CAP 1.221 HEAD 1. CH 1 AND CH 2 INPUT CAPACITANCE (C105 AND C205) 1.222 OPBR Do you want to perform CH 1 & CH 2 Input Cap. Adjusts? 1.223 JMPL VERT_READOUT_JITTER MEM1 == -1 1.224 HEAD CONTROL SETTINGS 1.225 SET VOLTS/DIV CH1 : 100mV 1.225 SET VOLTS/DIV CH2 : 100mV 1.225 SET CH1 & CH2 VAR : in indent 1.225 SET INPUT COUPLING : 1 MOhm DC 1.225 SET Channels : 1;On;2;Off 3;Off 4;Off 1.225 SET ADD : Off 1.225 SET INVERT : Off 1.226 SET BW LIMIT : Off 1.226 SET ALT/CHOP : ALT 1.226 SET VERT/POS : Midrange 1.226 SET HORZ/POS : Midrange 1.226 SET A and B SEC/DIV : 100 uS (knob in) 1.226 SET SEC/DIV VAR : in indent 1.227 SET TRIGGER : +, AUTO LVL, VERT, DC 1.227 SET TRIGGER MODE : AUTO LVL 1.227 SET TRIGGER SOURCE : VERT 1.227 SET TRIGGER HOLDOFF : in indent 1.227 SET TRIGGER LEVEL : Midrange 1.228 SET Delta V and t : Off 1.228 SET INTENSITY : Left of center 1.228 SET READOUT INTENSITY : As required 1.228 SET SCALE ILLUM : Fully CCW 1.228 SET FOCUS : Best focused display 1.229 DISP [32] NOTE!!!! 1.229 DISP The objective of this adjustment is to match the input 1.229 DISP capacitance of the 50mV per division position of the 1.229 DISP VOLTS/DIV switches to the 100mV per division position. 1.229 DISP The front corner of an input square-wave signal is used 1.229 DISP to indicate when the capacitances are matched. 1.230 DISP Connect the Fluke 5520A Scope Output to UUT CH 1 using 1.230 DISP a normalizer (Tek #067-0537-00) and a 50 Ohm terminator. 1.231 LABEL C105_Adjusted 1.232 SET VOLTS/DIV CH 1 : 100mV 1.233 5520 600mVpp 1kH ZQ S6 S L 1.234 DISP Center the display on the graticule. 1.234 DISP Set the normalizer for a square front corner over 1.234 DISP approximately the first 40us (0.4 division) of the 1.234 DISP positive portion of the waveform. 1.235 SET VOLTS/DIV CH 1 : 50mV 1.236 5520 300mVpp 1kH ZQ S6 S L 1.237 OPBR Is the waveform front corner the same as when CH 1 1.238 OPBR VOLTS/DIV switch was at 100mV? 1.239 JMPL CH2_Input_Capacitance MEM1 == 1 1.240 PIC 2465ADJ4 (11,12,R/W) "C105->" 1.240 PIC (8,2,R/W) 1.240 PIC "Adjust C105 (CH1 50mV C ADJ) for the same waveform" 1.240 PIC (9,2,R/W) 1.240 PIC "front corner as when CH1 VOLTS/DIV switch was at 100mV" 1.241 JMPL C105_Adjusted 1.242 LABEL CH2_Input_Capacitance 1.243 DISP Connect the Fluke 5520A Output to UUT Channel 2 using 1.243 DISP a normalizer (Tek #067-0537-00) and a 50 Ohm terminator. 1.244 LABEL C205_Adjusted 1.245 SET Channels : 1;Off 2;On 3;Off 4;Off 1.245 SET VOLTS/DIV CH 2 : 100mV 1.246 5520 600mVpp 1kH ZQ S6 S L 1.247 DISP Center the display on the graticule. 1.247 DISP Set the normalizer for a square front corner over 1.247 DISP approximately the first 40us (0.4 division) of the 1.247 DISP positive portion of the waveform. 1.248 SET VOLTS/DIV CH 2 : 50mV 1.249 5520 300mVpp 1kH ZQ S6 S L 1.250 OPBR Is the waveform front corner the same as when CH 2 1.251 OPBR VOLTS/DIV switch was at 100mV? 1.252 JMPL CH2_Input_Capacitance_Completed MEM == 1 1.253 PIC 2465ADJ4 (7,12,R/W) "C205->" 1.253 PIC (4,2,R/W) 1.253 PIC "Adjust C205 (CH2 50mV C ADJ) for the same waveform" 1.253 PIC (5,2,R/W) 1.253 PIC "front corner as when CH2 VOLTS/DIV switch was at .1V." 1.254 JMPL C205_Adjusted 1.255 LABEL CH2_Input_Capacitance_Completed 1.256 5520 * S 1.257 DISP Disconnect the 5520A from the UUT. 1.258 LABEL VERT_READOUT_JITTER 1.259 HEAD 2. Adjust Vertical Readout Jitter (R618) 1.260 OPBR Do you want to perform Vertical Readout Jitter Adjust? 1.261 JMPL HORIZONTAL_CAL01 MEM1 == -1 1.262 SET VOLTS/DIV CH 1 : 100mV 1.262 SET Input Coupling CH 1 : 50 Ohm DC 1.262 SET Channels : 1;On 2;Off 3;Off 4;Off 1.262 SET HORIZ A SEC/DIV : 50uS 1.262 SET Delta : V On 1.263 DISP Use the REF OR DLY POS control to position one 1.263 DISP cursor 3 divisions above graticule center. Use the 1.263 DISP control to position the other cursor 3 divisions 1.263 DISP below graticule center. 1.264 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.265 5520 800mVpp 1kH ZQ S6 S L 1.266 DISP Use the CH1 Vertical and Horizontal POSITION controls 1.266 DISP to center the CH1 display on the graticule. 1.267 PIC 2465ADJ4 (12,38,R/W) "R618->" 1.267 PIC (9,2,R/W) 1.267 PIC "Adjust Vertical Readout Jitter (R618) for minimum" 1.267 PIC (10,2,R/W) 1.267 PIC "vertical jitter of the readout characters and cursors" 1.268 5520 * S 1.269 DISP Disconnect the 5520A from the UUT. 1.270 LABEL HORIZONTAL_CAL01 1.271 HEAD HORIZONTAL 1.272 OPBR Do you want to perform the Horizontal (CAL 01)? 1.273 JMPL VERTICAL_CAL02 MEM1 == -1 1.274 DISP [32] NOTE!!! 1.274 DISP If you did NOT move jumper J501 to the CAL position 1.274 DISP while the line power was OFF, you need to turn the 1.274 DISP power OFF and ON again, with jumper J501 in the CAL 1.274 DISP position. 1.274 DISP The expected prompts will not appear on the UUT! 1.275 LABEL START_CAL01 1.276 DISP Simultaneously press in and hold the t and the 1.276 DISP V push buttons, then press and hold the SLOPE 1.276 DISP button. Hold all three buttons in for approximately 1.276 DISP one second, then release them. 1.277 OPBR Does the readout indicate: 1.277 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.278 JMPL START_CAL01 MEM1 < 0 1.279 MATH M[99] = 1 1.280 DISP [32] NOTE!!! 1.280 DISP The "menu" of calibration, test, and exercise routines 1.280 DISP are in a loop that may be scrolled through in single 1.280 DISP steps, either forward or backward. Pressing up or down 1.280 DISP on the TRIGGER MODE switch and releasing it respectively 1.280 DISP increments or decrements the menu position by one. As 1.280 DISP each routine is selected, its name appears in the lower 1.280 DISP corner of the readout display. 1.281 DISP [32] NOTE!!! 1.281 DISP When performing a calibration step, touch only the 1.281 DISP specific control or controls called out in the 1.281 DISP procedure. Movement of other controls may cause 1.281 DISP erroneous calibration results. 1.282 DISP Scroll to CAL 01 1.283 DISP [32] CAUTION!!! 1.283 DISP Upon entering CAL 01, the Input Coupling is automat- 1.283 DISP ically set to 50 Ohm DC and the 50 Ohm OVERLOAD 1.283 DISP protection is disabled. Before starting the procedure, 1.283 DISP make sure any 50 Ohm OVERLOAD condition has been 1.283 DISP cleared. 1.284 DISP [32] NOTE!!! 1.284 DISP In this procedure, pressing and releasing the upper 1.284 DISP TRIGGER COUPLING switch stores the current calibration 1.284 DISP parameter being set and increments the routine to the 1.284 DISP next step (except where otherwise noted). 1.285 DISP Connect the DMM to the UUT CALIBRATOR OUTPUT. 1.285 DISP 1.285 DISP Press and release the upper TRIGGER COUPLING switch. 1.286 DISP [32] NOTE!!! 1.286 DISP 1.286 DISP The CALIBRATOR output will got to its LO level on odd 1.286 DISP CAL steps and to its HI level on even steps. 1.287 OPBR Does the readout indicate: 1.288 OPBR ADJ , (step) 0, CH 1 PROBE TO TP800 ON MAIN BD? 1.289 JMPL CALIBRATION_ABORTED MEM1 < 0 1.290 DISP Connect a P6137 probe from CH 1 to TP800, at rear 1.290 DISP of main board near readout connector. 1.290 DISP 1.290 DISP Adjust REF to center signal on displayed cursors 1.290 DISP and adjust control to join traces. 1.290 DISP 1.290 DISP Press and release the upper TRIGGER COUPLING switch. 1.291 HEAD HORIZONTAL: CAL 01, STEP 0 1.292 45 0mV N 2W 1.293 MATH M[1] = MEM 1.294 JMPL Check_Odd_Step ABS(MEM) <= 1 1.295 DISP Measurement = [MEM]mV, FAIL 1.296 LABEL Check_Odd_Step 1.297 OPBR Does the readout indicate: 1.297 OPBR ADJ , (step) 1, 100us (A Sweep), & 1us (B Sweep)? 1.298 JMPL CALIBRATION_ABORTED MEM1 < 0 1.299 DISP [32] NOTE!!! 1.299 DISP 1.299 DISP The readout prompts the operator by showing the control 1.299 DISP to be moved (upper left corner), the autocal step number 1.299 DISP (upper right corner), the A-Sweep speed (bottom right 1.299 DISP center), and the B-Sweep speed (bottom right corner) as 1.299 DISP set up by the routine. 1.300 HEAD HORIZONTAL: CAL 01, STEP 1 1.301 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.302 5520 0.1mT M1 S6 S L 1.303 DISP Set VOLTS/DIV CH 1 for a convenient signal display. 1.303 DISP Set TRACE SEP as needed to separate the A and B Sweeps. 1.303 DISP Set POSITION CH 1 to view both A and B Sweeps. 1.303 DISP Set Horizontal POSITION to position start of trace at 1.303 DISP the left graticule line. 1.304 DISP [32] NOTE!!! 1.304 DISP In the following calibration routine some sequential 1.304 DISP pairs of steps are iteractive, ie., the earlier step 1.304 DISP is recalled if an adjustment is made in the later step. 1.304 DISP Occasionally, on the earlier of some of these pairs, the 1.304 DISP readout may indicate "LIMIT" before the correct control 1.304 DISP setting is reached. 1.305 DISP If this occurs, proceed to the next AUTOMATIC CAL step. 1.305 DISP After the adjustment at the next step is performed, the 1.305 DISP previous step will automatically be recalled, and the 1.305 DISP adjustment may be performed in the normal manner. 1.306 DISP Adjust REF or DLY POS and to align both 1.306 DISP the intensified zones with the 6th time marker (near 1.306 DISP graticule center) and to superimpose the delayed B Sweep 1.306 DISP time markers. 1.307 OPBR Press and release the upper TRIGGER COUPLING switch. 1.307 OPBR Does the readout indicate: 1.307 OPBR ADJ , (step) 2, 100us (A Sweep), & 1us (B Sweep)? 1.308 JMPL CALIBRATION_ABORTED MEM1 < 0 1.309 HEAD HORIZONTAL: CAL 01, STEP 2 1.310 45 400mV N 2W 1.311 JMPL Done_Step_Level_Check (MEM - M[1] - 400) <= 2 1.312 DISP Measurement = [MEM]mV, FAIL 1.313 LABEL Done_Step_Level_Check 1.314 DISP Disconnect the DMM from the UUT. 1.315 HEAD HORIZONTAL: CAL 01, STEP 2 1.316 DISP Adjust REF or DLY POS to intensify 2nd time 1.316 DISP marker. 1.316 DISP Adjust to intensify 10th time marker. 1.316 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.317 OPBR Press and release the upper TRIGGER COUPLING switch. 1.317 OPBR Does the readout indicate: 1.317 OPBR ADJ , (step) 3, 300us (A Sweep), & 1us (B Sweep)? 1.318 JMPT 1.322 1.319 OPBR Does the readout indicate: LIMIT (step) 2? 1.320 JMPT 1.317 1.321 JMP 1.316 1.322 HEAD HORIZONTAL: CAL 01, STEP 3 1.323 DISP Adjust REF or DLY POS to intensify 4th time 1.323 DISP marker. 1.323 DISP Adjust to intensify 28th time marker. 1.323 DISP Superimpose delayed B Sweep time markers within 1 div. 1.324 OPBR Press and release the upper TRIGGER COUPLING switch. 1.324 OPBR Does the readout indicate: 1.324 OPBR ADJ , (step) 4, 100us (A Sweep), & 1us (B Sweep)? 1.325 JMPT 1.329 1.326 OPBR Does the readout indicate: (step) 2? 1.327 JMPT 1.315 1.328 JMPL CALIBRATION_ABORTED 1.329 HEAD HORIZONTAL: CAL 01, STEP 4 1.330 5520 0.5uT M1 S6 S L 1.331 DISP Adjust CCW until no further movement of B Sweep 1.331 DISP display occurs. 1.331 DISP Note the position of the 1st time marker. 1.331 DISP Adjust CW until 2nd time marker moves to left 1.331 DISP and aligns with position just noted. 1.332 DISP [32] NOTE!!! 1.332 DISP 1.332 DISP Movement of the REF control at this point will 1.332 DISP adversely affect the calibration. 1.333 OPBR Press and release the upper TRIGGER COUPLING switch. 1.333 OPBR Does the readout indicate: 1.333 OPBR X1, X10 HRZ CTR, (step) 5, 10us (A Sweep), 2 vert 1.333 OPBR cursors? 1.334 JMPL CALIBRATION_ABORTED MEM1 < 0 1.335 HEAD HORIZONTAL: CAL 01, STEP 5 1.336 5520 10uT M1 S6 S L 1.337 OPBR Are the two cursors aligned with 2nd & 10th graticule 1.337 OPBR lines? 1.338 JMPT 1.341 1.339 PIC 2465ADJ4 (23,22,R/W) "R860->" 1.339 PIC (20,44,R/W) "<-R801" 1.339 PIC (18,3,R/W) 1.339 PIC "Adjust X1 Gain (R860) and Hrz Ctr (R801) to align" 1.339 PIC (19,3,R/W) 1.339 PIC "the two cursors." 1.340 JMP 1.336 1.341 OPBR Is there 1 time marker per division? 1.342 JMPT 1.345 1.343 PIC 2465ADJ4 (21,43,R/W) "<-R850" 1.343 PIC (19,6,R/W) 1.343 PIC "Adjust X10 GAIN (R850) for 1 time marker per division." 1.344 JMP 1.341 1.345 OPBR Press and release the upper TRIGGER COUPLING switch. 1.345 OPBR Does the readout indicate: 1.345 OPBR ADJ , (step) 6, 10ms (A Sweep), 100us (B Sweep)? 1.346 JMPL CALIBRATION_ABORTED MEM1 < 0 1.347 HEAD HORIZONTAL: CAL 01, STEP 6 1.348 5520 10mT M1 S6 S L 1.349 DISP Adjust REF or DLY POS to intensify 2nd time 1.349 DISP marker. 1.349 DISP Adjust to intensify the 10th time marker. 1.349 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.350 OPBR Press and release the upper TRIGGER COUPLING switch. 1.350 OPBR 1.350 OPBR Does the readout indicate: 1.350 OPBR ADJ , (step) 7, 1us (A Sweep), & 10ns (B Sweep)? 1.351 JMPL CALIBRATION_ABORTED MEM1 < 0 1.352 HEAD HORIZONTAL: CAL 01, STEP 7 1.353 5520 1uT M1 S6 S L 1.354 DISP Adjust REF or DLY POS to intensify 2nd time 1.354 DISP marker. 1.354 DISP Adjust to intensify the 10th time marker. 1.354 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.355 OPBR Press and release the upper TRIGGER COUPLING switch. 1.355 OPBR Does the readout indicate: 1.355 OPBR ADJ , (step) 8, 2us (A Sweep), & 20ns (B Sweep)? 1.356 JMPL CALIBRATION_ABORTED MEM1 < 0 1.357 HEAD HORIZONTAL: CAL 01, STEP 8 1.358 5520 2uT M1 S6 S L 1.359 DISP Adjust REF or DLY POS to intensify 2nd time 1.359 DISP marker. 1.359 DISP Adjust to intensify the 10th time marker. 1.359 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.360 OPBR Press and release the upper TRIGGER COUPLING switch. 1.360 OPBR Does the readout indicate: 1.360 OPBR ADJ , (step) 9, 6.00us (A Sweep), 20ns (B Sweep)? 1.361 JMPT 1.365 1.362 OPBR Does the readout indicate: LIMIT (step) 8? 1.363 JMPT 1.360 1.364 JMPL CALIBRATION_ABORTED 1.365 HEAD HORIZONTAL: CAL 01, STEP 9 1.366 DISP Adjust REF or DLY POS to intensify 4th time 1.366 DISP marker. 1.366 DISP Adjust to intensify the 28th time marker. 1.366 DISP Superimpose delayed B Sweep time markers within 1.2 div. 1.367 OPBR Press and release the upper TRIGGER COUPLING switch. 1.367 OPBR Does the readout indicate: 1.367 OPBR ADJ , (step) 10, 10us (A Sweep), 100ns (B Sweep)? 1.368 JMPT 1.372 1.369 OPBR Does the readout indicate: (step) 8? 1.370 JMPT 1.357 1.371 JMPL CALIBRATION_ABORTED 1.372 HEAD HORIZONTAL: CAL 01, STEP 10 1.373 5520 10uT M1 S6 S L 1.374 DISP Adjust REF or DLY POS to intensify 2nd time 1.374 DISP marker. 1.374 DISP Adjust to intensify the 10th time marker. 1.374 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.375 OPBR Press and release the upper TRIGGER COUPLING switch. 1.375 OPBR 1.375 OPBR Does the readout indicate: 1.375 OPBR ADJ , (step) 11, 50us (A Sweep), 500ns (B Sweep)? 1.376 JMPL CALIBRATION_ABORTED MEM1 < 0 1.377 HEAD HORIZONTAL: CAL 01, STEP 11 1.378 5520 50uT M1 S6 S L 1.379 DISP Adjust REF or DLY POS to intensify 2nd time 1.379 DISP marker. 1.379 DISP Adjust to intensify the 10th time marker. 1.379 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.380 OPBR Press and release the upper TRIGGER COUPLING switch. 1.380 OPBR Does the readout indicate: 1.380 OPBR ADJ , (step) 12, 150us (A Sweep), 1.380 OPBR 500ns (B Sweep)? 1.381 JMPT 1.385 1.382 OPBR Does the readout indicate: LIMIT (step) 11? 1.383 JMPT 1.380 1.384 JMPL CALIBRATION_ABORTED 1.385 HEAD HORIZONTAL: CAL 01, STEP 12 1.386 DISP Adjust REF or DLY POS to intensify 4th time 1.386 DISP marker. 1.386 DISP Adjust to intensify the 28th time marker. 1.386 DISP Superimpose delayed B Sweep time markers within 1.2 div. 1.387 OPBR Press and release the upper TRIGGER COUPLING switch. 1.387 OPBR 1.387 OPBR Does the readout indicate: 1.387 OPBR ADJ , (step) 13, 1.5us (A Sweep), 10ns (B Sweep)? 1.388 JMPT 1.392 1.389 OPBR Does the readout indicate: (step) 11? 1.390 JMPT 1.377 1.391 JMPL CALIBRATION_ABORTED 1.392 HEAD HORIZONTAL: CAL 01, STEP 13 1.393 5520 0.5uT M1 S6 S L 1.394 DISP Adjust REF or DLY POS to intensify 2nd time 1.394 DISP marker. 1.394 DISP Adjust to intensify the 10th time marker. 1.394 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.395 OPBR Press and release the upper TRIGGER COUPLING switch. 1.395 OPBR 1.395 OPBR Does the readout indicate: 1.395 OPBR ADJ , (step) 14, 10ms (A Sweep), 100us (B Sweep)? 1.396 JMPT 1.400 1.397 OPBR Does the readout indicate: LIMIT (step) 13? 1.398 JMPT 1.395 1.399 JMPL CALIBRATION_ABORTED 1.400 HEAD HORIZONTAL: CAL 01, STEP 14 1.401 DISP Adjust REF or DLY POS to intensify 4th time 1.401 DISP marker. 1.401 DISP Adjust to intensify the 28th time marker. 1.401 DISP Superimpose delayed B Sweep time markers within 1.2 div. 1.402 OPBR Press and release the upper TRIGGER COUPLING switch. 1.402 OPBR 1.402 OPBR Does the readout indicate: 1.402 OPBR ADJ , (step) 15, 100ns (A Sweep), 1ns (B Sweep)? 1.403 JMPT 1.407 1.404 OPBR Does the readout indicate: (step) 13? 1.405 JMPT 1.392 1.406 JMPL CALIBRATION_ABORTED 1.407 HEAD HORIZONTAL: CAL 01, STEP 15 1.408 5520 50nT M1 S6 S L 1.409 DISP Adjust REF or DLY POS to intensify 3rd time 1.409 DISP marker. 1.409 DISP Adjust to intensify the 19th time marker. 1.409 DISP Superimpose delayed B Sweep time markers within 0.2 div. 1.410 OPBR Press and release the upper TRIGGER COUPLING switch. 1.410 OPBR 1.410 OPBR Does the readout indicate: 1.410 OPBR ADJ , (step) 16, 20ns (A Sweep), & 1ns (B Sweep)? 1.411 JMPL CALIBRATION_ABORTED MEM1 < 0 1.412 HEAD HORIZONTAL: CAL 01, STEP 16 1.413 5520 20nT M1 S6 S L 1.414 DISP Adjust control for approximately 1 Time-Marker 1.414 DISP per division. 1.415 5520 2nT M4 S6 S L 1.416 DISP Adjust volts/div for display amplitude of > 3 divisions. 1.416 DISP Adjust the control to superimpose the displayed 1.416 DISP B Sweep Markers. 1.416 DISP 1.416 DISP Return volts/div to original amplitude after making 1.416 DISP the adjustment. 1.417 OPBR Press and release the upper TRIGGER COUPLING switch. 1.417 OPBR 1.417 OPBR Does the readout indicate: 1.417 OPBR ADJ , (step) 17, 1us (B Sweep)? 1.418 JMPL CALIBRATION_ABORTED MEM1 < 0 1.419 LABEL CAL01_STEP17 1.420 HEAD HORIZONTAL: CAL 01, STEP 17 1.421 5520 1uT M1 S6 S L 1.422 DISP Set TRACE SEP fully CW. 1.422 DISP Set the VOLTS/DIV CH 1 as needed for a convenient signal 1.422 DISP display amplitude. 1.423 DISP Adjust for 8 markers over the center 8 div. 1.424 OPBR Press and release the upper TRIGGER COUPLING switch. 1.424 OPBR 1.424 OPBR Does the readout indicate: 1.424 OPBR ADJ , (step) 18, 3.00us (B Sweep)? 1.425 JMPT 1.429 1.426 OPBR Does the readout indicate: LIMIT (step) 17? 1.427 JMPT 1.424 1.428 JMPL CALIBRATION_ABORTED 1.429 HEAD HORIZONTAL: CAL 01, STEP 18 1.430 DISP Adjust for 24 markers over the center 8 div. 1.431 OPBR Press and release the upper TRIGGER COUPLING switch. 1.431 OPBR 1.431 OPBR Does the readout indicate: 1.431 OPBR ADJ , (step) 19, 2us (B Sweep)? 1.432 JMPT 1.436 1.433 OPBR Does the readout indicate: (step) 17? 1.434 JMPL CAL01_STEP17 MEM1 == 1 1.435 JMPL CALIBRATION_ABORTED MEM1 < 0 1.436 HEAD HORIZONTAL: CAL 01, STEP 19 1.437 5520 2uT M1 S6 S L 1.438 DISP Adjust for 8 markers over the center 8 div. 1.439 OPBR Press and release the upper TRIGGER COUPLING switch. 1.439 OPBR 1.439 OPBR Does the readout indicate: 1.439 OPBR ADJ , (step) 20, 6.00us (B Sweep)? 1.440 JMPT 1.444 1.441 OPBR Does the readout indicate: LIMIT (step) 19? 1.442 JMPT 1.439 1.443 JMPL CALIBRATION_ABORTED 1.444 HEAD HORIZONTAL: CAL 01, STEP 20 1.445 DISP Adjust for 24 markers over the center 8 div. 1.446 OPBR Press and release the upper TRIGGER COUPLING switch. 1.446 OPBR 1.446 OPBR Does the readout indicate: 1.446 OPBR ADJ , (step) 21, 10us (B Sweep)? 1.447 JMPT 1.451 1.448 OPBR Does the readout indicate: (step) 19? 1.449 JMPT 1.436 1.450 JMPL CALIBRATION_ABORTED 1.451 HEAD HORIZONTAL: CAL 01, STEP 21 1.452 5520 10uT M1 S6 S L 1.453 DISP Adjust for 8 markers over the center 8 div. 1.454 OPBR Press and release the upper TRIGGER COUPLING switch. 1.454 OPBR 1.454 OPBR Does the readout indicate: 1.454 OPBR ADJ , (step) 22, 50us (B Sweep)? 1.455 JMPL CALIBRATION_ABORTED MEM1 < 0 1.456 HEAD HORIZONTAL: CAL 01, STEP 22 1.457 5520 50uT M1 S6 S L 1.458 DISP Adjust for 8 markers over the center 8 div. 1.459 OPBR Press and release the upper TRIGGER COUPLING switch. 1.459 OPBR 1.459 OPBR Does the readout indicate: 1.459 OPBR ADJ , (step) 23, 150us (B Sweep)? 1.460 JMPT 1.464 1.461 OPBR Does the readout indicate: LIMIT (step) 22? 1.462 JMPT 1.459 1.463 JMPL CALIBRATION_ABORTED 1.464 HEAD HORIZONTAL: CAL 01, STEP 23 1.465 DISP Adjust for 24 markers over the center 8 div. 1.466 OPBR Press and release the upper TRIGGER COUPLING switch. 1.466 OPBR 1.466 OPBR Does the readout indicate: 1.466 OPBR ADJ , (step) 24, 500ns (B Sweep)? 1.467 JMPT 1.471 1.468 OPBR Does the readout indicate: (step) 22? 1.469 JMPT 1.456 1.470 JMPL CALIBRATION_ABORTED 1.471 HEAD HORIZONTAL: CAL 01, STEP 24 1.472 5520 500nT M1 S6 S L 1.473 DISP Adjust for 8 markers over the center 8 div. 1.474 OPBR Press and release the upper TRIGGER COUPLING switch. 1.474 OPBR 1.474 OPBR Does the readout indicate: 1.474 OPBR ADJ , (step) 25, 1.50us (B Sweep)? 1.475 JMPT 1.479 1.476 OPBR Does the readout indicate: LIMIT (step) 24? 1.477 JMPT 1.474 1.478 JMPL CALIBRATION_ABORTED 1.479 HEAD HORIZONTAL: CAL 01, STEP 25 1.480 DISP Adjust for 24 markers over the center 8 div. 1.481 OPBR Press and release the upper TRIGGER COUPLING switch. 1.481 OPBR 1.481 OPBR Does the readout indicate: 1.481 OPBR ADJ , (step) 26, 100ns (B Sweep)? 1.482 JMPT 1.486 1.483 OPBR Does the readout indicate: (step) 24? 1.484 JMPT 1.471 1.485 JMPL CALIBRATION_ABORTED 1.486 HEAD HORIZONTAL: CAL 01, STEP 26 1.487 5520 100nT M1 S6 S L 1.488 DISP Adjust for 8 markers over the center 8 div. 1.489 OPBR Press and release the upper TRIGGER COUPLING switch. 1.489 OPBR 1.489 OPBR Does the readout indicate: 1.489 OPBR ADJ , (step) 27, 20ns (B Sweep)? 1.490 JMPL CALIBRATION_ABORTED MEM1 < 0 1.491 HEAD HORIZONTAL: CAL 01, STEP 27 1.492 5520 20nT M1 S6 S L 1.493 DISP Adjust control for approximately 1 Time-Marker 1.493 DISP per division. 1.494 5520 5nT M4 S6 S L 1.495 DISP Adjust the to superimpose the scope display. 1.496 OPBR Press and release the upper TRIGGER COUPLING switch. 1.496 OPBR 1.496 OPBR Does the readout indicate: 1.496 OPBR ADJ Trans Resp, (step) 28, 2ns (B Sweep)? 1.497 JMPL CALIBRATION_ABORTED MEM1 < 0 1.498 HEAD HORIZONTAL: CAL 01, STEP 28 1.499 5520 2nT M4 S6 S L 1.500 DISP Adjust Trans Resp (R802) for precisely 2 cycles between 1.500 DISP the 2nd and 10th graticule lines at the INTERSECTIONS 1.500 DISP on the two waveforms. 1.501 OPBR Press and release the upper TRIGGER COUPLING switch. 1.501 OPBR 1.501 OPBR Does the readout indicate: 1.501 OPBR ADJ , (step) 29, 1ms (B Sweep)? 1.502 JMPL CALIBRATION_ABORTED MEM1 < 0 1.503 HEAD HORIZONTAL: CAL 01, STEP 29 1.504 5520 1mT M1 S6 S L 1.505 DISP Adjust for 8 markers over the center 8 div. 1.506 OPBR Press and release the upper TRIGGER COUPLING switch. 1.506 OPBR 1.506 OPBR Does the readout indicate: 1.507 OPBR ADJ , (step) 30, 5ns (B Sweep)? 1.508 JMPL CALIBRATION_ABORTED MEM1 < 0 1.509 HEAD HORIZONTAL: CAL 01, STEP 30 1.510 5520 5nT M4 S6 S L 1.511 DISP Adjust volt/div for > 3 division amplitude. 1.511 DISP 1.511 DISP Adjust for 1 time marker per division 1.511 DISP over the center 8 divisions. 1.512 OPBR Press and release the upper TRIGGER COUPLING switch. 1.512 OPBR 1.512 OPBR Does the readout indicate: 1.513 OPBR ADJ , (step) 31, 10ns (B Sweep)? 1.514 JMPL CALIBRATION_ABORTED MEM1 < 0 1.515 HEAD HORIZONTAL: CAL 01, STEP 31 1.516 5520 10nT M4 S6 S L 1.517 DISP Adjust volt/div for > 3 division amplitude. 1.517 DISP 1.517 DISP Adjust for 1 time marker per division 1.517 DISP over the center 8 divisions. 1.518 OPBR Press and release the upper TRIGGER COUPLING switch. 1.518 OPBR 1.518 OPBR Does the readout indicate: 1.519 OPBR "DIAGNSTIC. PUSH A/B TO EXIT"? 1.520 JMPL CALIBRATION_ABORTED MEM1 < 0 1.521 HEAD HORIZONTAL: END 1.522 5520 * S 1.523 DISP Press the A/B TRIG button. 1.523 DISP Disconnect the 5520A from the UUT. 1.524 LABEL VERTICAL_CAL02 1.525 HEAD CAL 02 VERTICAL 1.526 OPBR Do you want to perform the Vertical (CAL 02) Adjusts? 1.527 JMPL TRIGGERING_CAL03 MEM1 == -1 1.528 JMPL CAL02 M[99] == 1 1.529 LABEL START_VERTICAL 1.530 DISP Simultaneously press in and hold the t and the 1.530 DISP V push buttons, then press and hold the SLOPE 1.530 DISP button. Hold all three buttons in for approximately 1.530 DISP one second, then release them. 1.531 OPBR Does the readout indicate: 1.531 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.532 JMPL START_VERTICAL MEM1 == -1 1.533 MATH M[99] = 1 1.534 LABEL CAL02 1.535 DISP Set the front-panel INTENSITY control to midrange. 1.535 DISP 1.535 DISP Scroll to CAL 02 1.536 OPBR Press and release the upper TRIGGER COUPLING switch. 1.536 OPBR 1.536 OPBR The instrument will automatically increment through 1.536 OPBR steps 100 to 111. 1.536 OPBR 1.536 OPBR Does the readout indicate: 1.536 OPBR CH1 VAR, CH2 POS, (step) 111, and 500mV? 1.537 JMPL CALIBRATION_ABORTED MEM1 < 0 1.538 HEAD VERTICAL CH 1: CAL 02, STEP 111 1.539 DISP Connect the Fluke 5520A Scope Output to UUT Channel 1. 1.540 5520 500mVpp 1kH SI S6 S 1.541 DISP Use the CH 2 POSITION control to vertically position 1.541 DISP the trace to within 1 division of the center graticule. 1.541 DISP Adjust CH 1 POSITION and VOLTS/DIV VAR controls to 1.541 DISP obtain a 10-division horizontal signal. 1.542 OPBR Press and release the upper TRIGGER COUPLING switch. 1.542 OPBR 1.542 OPBR Does the readout indicate: 1.542 OPBR MOVE SW, CENTER CH 1 POS, (step) 112, 500mV, and BWL? 1.543 JMPL CALIBRATION_ABORTED MEM1 < 0 1.544 HEAD VERTICAL CH 1: CAL 02, STEP 112 1.545 DISP Press and release the upper TRIGGER COUPLING switch. 1.545 DISP 1.545 DISP Adjust CH 1 POSITION control carefully until the CH 1 1.545 DISP input coupling "1 MOhm DC" indicator remains 1.545 DISP illuminated. 1.546 OPBR Press and release the upper TRIGGER COUPLING switch. 1.546 OPBR 1.546 OPBR Does the readout indicate: (step) 113, 500mV, and BWL? 1.547 JMPL CALIBRATION_ABORTED MEM1 < 0 1.548 HEAD VERTICAL CH 1: CAL 02, STEP 113 - 114 1.549 OPBR Does the readout indicate: (step) 115, 200mV, and BWL? 1.550 JMPT 1.557 1.551 OPBR Does the readout indicate: LIMIT (step) 113? 1.552 JMPT 1.555 1.553 OPBR Does the readout indicate: LIMIT (step) 114? 1.554 JMPL CALIBRATION_ABORTED MEM1 < 0 1.555 DISP Press and release the lower TRIGGER COUPLING switch. 1.556 JMP 1.548 1.557 HEAD VERTICAL CH 1: CAL 02, STEP 115 1.558 5520 200mVpp 1kH SI S6 S 1.559 OPBR Does the readout indicate: (step) 116, 100mV, and BWL? 1.560 JMPT 1.565 1.561 OPBR Does the readout indicate: LIMIT (step) 115? 1.562 JMPL CALIBRATION_ABORTED MEM1 < 0 1.563 DISP Press and release the lower TRIGGER COUPLING switch. 1.564 JMP 1.557 1.565 HEAD VERTICAL CH 1: CAL 02, STEP 116 1.566 5520 100mVpp 1kH SI S6 S 1.567 OPBR Does the readout indicate: (step) 117, 50mV, and BWL? 1.568 JMPT 1.573 1.569 OPBR Does the readout indicate: LIMIT (step) 116? 1.570 JMPL CALIBRATION_ABORTED MEM1 < 0 1.571 DISP Press and release the lower TRIGGER COUPLING switch. 1.572 JMP 1.565 1.573 HEAD VERTICAL CH 1: CAL 02, STEP 117 1.574 5520 50mVpp 1kH SI S6 S 1.575 OPBR Does the readout indicate: (step) 118, 20mV, and BWL? 1.576 JMPT 1.581 1.577 OPBR Does the readout indicate: LIMIT (step) 117? 1.578 JMPL CALIBRATION_ABORTED MEM1 < 0 1.579 DISP Press and release the lower TRIGGER COUPLING switch. 1.580 JMP 1.573 1.581 HEAD VERTICAL CH 1: CAL 02, STEP 118 1.582 5520 20mVpp 1kH SI S6 S 1.583 OPBR Does the readout indicate: (step) 119, 1V, and BWL? 1.584 JMPT 1.589 1.585 OPBR Does the readout indicate: LIMIT (step) 118? 1.586 JMPL CALIBRATION_ABORTED MEM1 < 0 1.587 DISP Press and release the lower TRIGGER COUPLING switch. 1.588 JMP 1.581 1.589 HEAD VERTICAL CH 1: CAL 02, STEP 119 1.590 5520 1Vpp 1kH SI S6 S 1.591 OPBR Does the readout indicate: (step) 120, 10V, and BWL? 1.592 JMPT 1.597 1.593 OPBR Does the readout indicate: LIMIT (step) 119? 1.594 JMPL CALIBRATION_ABORTED MEM1 < 0 1.595 DISP Press and release the lower TRIGGER COUPLING switch. 1.596 JMP 1.589 1.597 HEAD VERTICAL CH 1: CAL 02, STEP 120 1.598 5520 10Vpp 1kH SI S6 S 1.599 OPBR Press and release the upper TRIGGER COUPLING switch. 1.599 OPBR Does the readout indicate: 1.599 OPBR MOVE SW, CENTER CH 2 POS, (step) 121, 500V, 500mV, 1.599 OPBR and BWL? 1.600 JMPT 1.605 1.601 OPBR Does the readout indicate: LIMIT (step) 120? 1.602 JMPL CALIBRATION_ABORTED MEM1 < 0 1.603 DISP Press and release the lower TRIGGER COUPLING switch. 1.604 JMP 1.597 1.605 5520 * S 1.606 HEAD VERTICAL CH 2: CAL 02, STEP 121 1.607 DISP Connect the CG 5520 Pulse Head to UUT Channel 2. 1.608 5520 0.5Vpp 1kH SI S6 S 1.609 DISP Press and release the upper TRIGGER COUPLING switch. 1.609 DISP 1.609 DISP Adjust CH 2 POSITION control carefully until the CH 1 1.609 DISP input coupling "1 MOhm DC" indicator remains 1.609 DISP illuminated. 1.610 OPBR Press and release the upper TRIGGER COUPLING switch. 1.610 OPBR 1.610 OPBR Does the readout indicate: 1.610 OPBR MOVE SW, CENTER CH 2 POS, (step) 122, 500mV, 500mV, 1.610 OPBR and BWL? 1.611 JMPL CALIBRATION_ABORTED MEM1 < 0 1.612 HEAD VERTICAL CH 2: CAL 02, STEP 122 1.613 DISP Press and release the upper TRIGGER COUPLING switch. 1.613 DISP 1.613 DISP Adjust CH 2 POSITION control carefully until the CH 1 1.613 DISP input coupling "1 MOhm DC" indicator remains 1.613 DISP illuminated. 1.614 OPBR Press and release the upper TRIGGER COUPLING switch. 1.614 OPBR 1.614 OPBR Does the readout indicate: (step) 123, 500mV, 500mV, 1.614 OPBR and BWL? 1.615 JMPL CALIBRATION_ABORTED MEM1 < 0 1.616 HEAD VERTICAL CH 1: CAL 02, STEP 123 - 124 1.617 OPBR Does the readout indicate: (step) 125, 200mV, and BWL? 1.618 JMPT 1.625 1.619 OPBR Does the readout indicate: LIMIT (step) 123? 1.620 JMPT 1.623 1.621 OPBR Does the readout indicate: LIMIT (step) 124? 1.622 JMPL CALIBRATION_ABORTED MEM1 < 0 1.623 DISP Press and release the lower TRIGGER COUPLING switch. 1.624 JMP 1.616 1.625 HEAD VERTICAL CH 1: CAL 02, STEP 125 1.626 5520 0.2Vpp 1kH SI S6 S 1.627 OPBR Does the readout indicate: (step) 126, 100mV, and BWL? 1.628 JMPT 1.633 1.629 OPBR Does the readout indicate: LIMIT (step) 125? 1.630 JMPL CALIBRATION_ABORTED MEM1 < 0 1.631 DISP Press and release the lower TRIGGER COUPLING switch. 1.632 JMP 1.625 1.633 HEAD VERTICAL CH 1: CAL 02, STEP 126 1.634 5520 0.1Vpp 1kH SI S6 S 1.635 OPBR Does the readout indicate: (step) 127, 50mV, and BWL? 1.636 JMPT 1.641 1.637 OPBR Does the readout indicate: LIMIT (step) 126? 1.638 JMPL CALIBRATION_ABORTED MEM1 < 0 1.639 DISP Press and release the lower TRIGGER COUPLING switch. 1.640 JMP 1.633 1.641 HEAD VERTICAL CH 2: CAL 02, STEP 127 1.642 5520 50mVpp 1kH SI S6 S 1.643 OPBR Does the readout indicate: (step) 128, 20mV, and BWL? 1.644 JMPT 1.649 1.645 OPBR Does the readout indicate: LIMIT (step) 127? 1.646 JMPL CALIBRATION_ABORTED MEM1 < 0 1.647 DISP Press and release the lower TRIGGER COUPLING switch. 1.648 JMP 1.641 1.649 HEAD VERTICAL CH 2: CAL 02, STEP 128 1.650 5520 20mVpp 1kH SI S6 S 1.651 OPBR Does the readout indicate: (step) 129, 1V, and BWL? 1.652 JMPT 2.101 1.653 OPBR Does the readout indicate: LIMIT (step) 128? 1.654 JMPL CALIBRATION_ABORTED MEM1 < 0 1.655 DISP Press and release the lower TRIGGER COUPLING switch. 1.656 JMP 1.649 1.657 HEAD VERTICAL CH 2: CAL 02, STEP 129 1.658 5520 1Vpp 1kH SI S6 S 1.659 OPBR Does the readout indicate: (step) 130, 10V, and BWL? 1.660 JMPT 1.665 1.661 OPBR Does the readout indicate: LIMIT (step) 129? 1.662 JMPL CALIBRATION_ABORTED MEM1 < 0 1.663 DISP Press and release the lower TRIGGER COUPLING switch. 1.664 JMP 1.657 1.665 HEAD VERTICAL CH 2: CAL 02, STEP 130 1.666 5520 10Vpp 1kH SI S6 S 1.667 OPBR Press and release the upper TRIGGER COUPLING switch. 1.667 OPBR Does the readout indicate: 1.667 OPBR MOVE SW, CENTER CH 2 POS, (step) 131, 10V, [25]10V 1.667 OPBR and BWL? 1.668 JMPT 1.673 1.669 OPBR Does the readout indicate: LIMIT (step) 130? 1.670 JMPL CALIBRATION_ABORTED MEM1 < 0 1.671 DISP Press and release the lower TRIGGER COUPLING switch. 1.672 JMP 1.665 1.673 HEAD VERTICAL CH 2: CAL 02, STEP 131 1.674 DISP Press and release the upper TRIGGER COUPLING switch. 1.674 DISP Adjust CH 2 POSITION control carefully until the CH 1 1.674 DISP input coupling "1 MOhm DC" indicator remains 1.674 DISP illuminated. 1.675 DISP Press and release the upper TRIGGER COUPLING switch. 1.675 DISP The instrument will automatically increment through 1.675 DISP steps 132-141 (DC balance). 1.676 OPBR Did the UUT automatically increment steps 132-141? 1.677 JMPL CALIBRATION_ABORTED MEM1 < 0 1.678 OPBR Does the readout indicate: 1.678 OPBR CONNECT SIGNAL TO CH 1, 50mV, and BWL? 1.679 JMPL CALIBRATION_ABORTED MEM1 < 0 1.680 5520 * S 1.681 HEAD VERTICAL CH 1: CAL 02, STEP 142 1.682 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.683 5520 50mVpp 1kH SI S6 S 1.684 DISP Press and release the upper TRIGGER COUPLING switch. 1.684 DISP 1.684 DISP Adjust CH 1 POSITION control carefully until the CH 1 1.684 DISP input coupling "1 MOhm DC" indicator remains 1.684 DISP illuminated. 1.685 HEAD VERTICAL: V Cursors 1.686 DISP Press and release the upper TRIGGER COUPLING switch. 1.686 DISP 1.686 DISP Wait approximately 10 seconds for automatic calibration 1.686 DISP of the V cursors. 1.687 OPBR Does the readout indicate: VERTICAL CENTER GAIN? 1.688 JMPL CALIBRATION_ABORTED MEM1 < 0 1.689 HEAD VERTICAL CENTER AND GAIN 1.690 OPBR Are there precisely 5 div between horizontal cursors? 1.691 JMPT 1.694 1.692 PIC 2465ADJ4 (16,61,R/W) "<-R638" 1.692 PIC (14,5,R/W) 1.692 PIC "Adjust R638 (GAIN) for precisely 5 divisions between" 1.692 PIC (15,5,R/W) 1.692 PIC "horizontal cursors." 1.693 JMP 1.689 1.694 OPBR Are the cursors aligned with the dotted 0% and 100% 1.694 OPBR graticule? 1.695 JMPT 1.698 1.696 PIC 2465ADJ4 (15,61,R/W) "<-R639" 1.696 PIC (12,3,R/W) 1.696 PIC "Adjust R639 (VERTICAL CENTERING) to center the cursors" 1.696 PIC (13,3,R/W) 1.696 PIC "on the graticule (align the cursors with the dotted" 1.696 PIC (14,3,R/W) 1.696 PIC "0% and 100% graticule lines)." 1.697 JMP 1.694 1.698 OPBR Press and release the upper TRIGGER COUPLING switch. 1.698 OPBR 1.698 OPBR The microprocessor continues calibrating the vertical. 1.698 OPBR 1.699 OPBR Does the readout indicate: 1.699 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.700 JMPL CALIBRATION_ABORTED MEM1 < 0 1.701 HEAD VERTICAL: END 1.702 MESS 1.703 5520 * S 1.704 DISP Press the A/B TRIG button. 1.704 DISP Disconnect the 5520A from the UUT. 1.705 LABEL TRIGGERING_CAL03 1.706 HEAD TRIGGERING CAL 03 1.707 OPBR Do you want to perform the Triggering Adjusts? 1.708 JMPL CH2_DELAY_CAL04 MEM1 == -1 1.709 JMPL CAL03 M[99] == 1 1.710 LABEL START_TRIG_ADJ 1.711 DISP Simultaneously press in and hold the t and the 1.711 DISP V push buttons, then press and hold the SLOPE 1.711 DISP button. Hold all three buttons in for approximately 1.711 DISP one second, then release them. 1.712 OPBR Does the readout indicate: 1.712 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.713 JMPL START_TRIG_ADJ MEM1 < 0 1.714 MATH M[99] = 1 1.715 LABEL CAL03 1.716 DISP Scroll to CAL 03. 1.717 DISP Press and release the upper TRIGGER COUPLING switch. 1.717 DISP The instrument will automatically increment through 1.717 DISP steps 201 to 215. 1.718 OPBR Does the readout indicate: CH1, 500mV, and (step) 215? 1.719 JMPL CALIBRATION_ABORTED MEM1 < 0 1.720 DISP [32] NOTE!!! 1.720 DISP 1.720 DISP The readout prompts the operator by showing which 1.720 DISP connector the input signal should be applied to 1.720 DISP (upper left corner), the amplitude of that signal 1.720 DISP (upper center), and the autocal step number (upper 1.720 DISP right corner). 1.721 HEAD TRIGGERING CH 1: CAL 03, STEP 215 1.722 DISP Connect the 5520A Scope Output to UUT Channel 1. 1.723 5520 500mVpp 1kH SI S6 S 1.724 OPBR Press and release the upper TRIGGER COUPLING switch. 1.724 OPBR 1.724 OPBR Does the readout indicate: CH1, 500mV, and (step) 216? 1.725 JMPL CALIBRATION_ABORTED MEM1 < 0 1.726 HEAD TRIGGERING CH 1: CAL 03, STEP 216 1.727 OPBR Press and release the upper TRIGGER COUPLING switch. 1.727 OPBR 1.727 OPBR Does the readout indicate: CH2, 500mV, and (step) 217? 1.728 JMPL CALIBRATION_ABORTED MEM1 < 0 1.729 5520 * S 1.730 HEAD TRIGGERING CH 2: CAL 03, STEP 217 1.731 DISP Move the 5520A Scope Output to UUT Channel 2. 1.732 OPBR Press and release the upper TRIGGER COUPLING switch. 1.732 OPBR 1.732 OPBR Does the readout indicate: CH3, 500mV, and (step) 218? 1.733 JMPL CALIBRATION_ABORTED MEM1 < 0 1.734 5520 * S 1.735 HEAD TRIGGERING CH 3: CAL 03, STEP 218 1.736 DISP Move the 5520A Scope Output to UUT Channel 3. 1.737 OPBR Press and release the upper TRIGGER COUPLING switch. 1.737 OPBR 1.737 OPBR Does the readout indicate: CH3, 2V, and (step) 219? 1.738 JMPL CALIBRATION_ABORTED MEM1 < 0 1.739 HEAD TRIGGERING CH 3: CAL 03, STEP 219 1.740 5520 2Vpp 1kH SI S6 S 1.741 OPBR Press and release the upper TRIGGER COUPLING switch. 1.741 OPBR 1.741 OPBR Does the readout indicate: CH4, 500mV, and (step) 220? 1.742 JMPL CALIBRATION_ABORTED MEM1 < 0 1.743 5520 * S 1.744 HEAD TRIGGERING CH 4: CAL 03, STEP 220 1.745 DISP Move the 5520A Scope Output to UUT Channel 4. 1.746 5520 500mVpp 1kH SI S6 S 1.747 OPBR Press and release the upper TRIGGER COUPLING switch. 1.747 OPBR 1.747 OPBR Does the readout indicate: CH4, 2V, and (step) 221? 1.748 JMPL CALIBRATION_ABORTED MEM1 < 0 1.749 HEAD TRIGGERING CH 4: CAL 03, STEP 221 1.750 5520 2Vpp 1kH SI S6 S 1.751 OPBR Press and release the upper TRIGGER COUPLING switch. 1.751 OPBR 1.751 OPBR Does the readout indicate: 1.751 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.752 JMPL CALIBRATION_ABORTED MEM1 < 0 1.753 5520 * S 1.754 DISP Disconnect the 5520A from the UUT. 1.755 LABEL CH2_DELAY_CAL04 1.756 HEAD CAL 04 - CH 2 DELAY: ENABLE/DISABLE 1.757 OPBR Do you want to perform the CH 2 (CAL 04) Delay Adjusts? 1.758 JMPL HRS_ON_CAL05 MEM1 == -1 1.759 JMPL CAL04 M[99] == 1 1.760 LABEL START_CAL04 1.761 DISP Simultaneously press in and hold the t and the 1.761 DISP V push buttons, then press and hold the SLOPE 1.761 DISP button. Hold all three buttons in for approximately 1.761 DISP one second, then release them. 1.762 OPBR Does the readout indicate: 1.762 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.763 JMPL START_CAL04 MEM1 < 0 1.764 MATH M[99] = 1 1.765 LABEL CAL04 1.766 DISP Scroll to CAL 04 and 1.766 DISP Press and release the upper TRIGGER COUPLING switch. 1.767 OPBR Does the readout alternately indicate "ENABLED" and 1.767 OPBR "DISABLED" each time the upper TRIGGER COUPLING 1.767 OPBR switch is presssed and released? 1.768 JMPL CALIBRATION_ABORTED MEM1 < 0 1.769 DISP Leave the readout indicating "ENABLED". 1.770 DISP Press and release the A/B TRIG button. 1.771 DISP Connect the Fluke 5520A Scope Output to UUT Channel 1 1.771 DISP and Channel 2 using a BNC T. 1.772 HEAD CONTROL SETTINGS 1.773 SET Channels : 1;On 2;On 3;Off 4;Off 1.773 SET VOLTS/DIV CH 1 : 10mV 1.773 SET VOLTS/DIV CH 2 : 10mV 1.773 SET Input Coupling CH 1 : 50ohm DC 1.773 SET Input Coupling CH 2 : 50ohm DC 1.773 SET A SEC/DIV : 5ns(knob in) 1.773 SET TRIGGER : +, AUTO LVL, CH 1, DC 1.774 MESS Adjust for a 3- to 5-division display amplitude. 1.775 5520 50mVpp 1U 100kH ED S6 N L 1.776 DISP Use the CH 1 and CH 2 POSITION controls to vertically 1.776 DISP overlay the traces near the center of the graticule 1.776 DISP area. 1.776 DISP Set the Horizontal POSITION control to set the rising 1.776 DISP edge of the signal near the center vertical graticule 1.776 DISP line. 1.777 DISP X10 MAG : On 1.777 DISP B SEC/DIV knob : Out 1.778 OPBR Does the readout indicate: CH 2 DLY - TURN ? 1.779 JMPL CALIBRATION_ABORTED MEM1 < 0 1.780 5520 mVpp 100kH ZQ S6 S L 1.781 OPBR Does the control move the leading edge of the 1.781 OPBR CH 2 trace at least 1 div. to either side of the CH 1 1.781 OPBR trace? 1.782 JMPL CALIBRATION_ABORTED MEM1 < 0 1.783 5520 mVpp 100kH ZQ S6 S L 1.784 DISP Adjust control to superimpose the leading edges. 1.785 5520 * S 1.786 DISP Disconnect the 5520A from the UUT. 1.787 DISP B SEC/DIV knob : In 1.787 DISP X10 MAG : Off 1.788 DISP Simultaneously press in and hold the t and the 1.788 DISP V push buttons, then press and hold the SLOPE 1.788 DISP button. Hold all three buttons in for approximately 1.788 DISP one second, then release them. 1.788 DISP 1.788 DISP Scroll to CAL 04. 1.789 DISP Press and release the upper TRIGGER COUPLING switch 1.789 DISP until the readout indicates "DISABLED". 1.790 HEAD CH 2 DELAY: END 1.791 DISP Press and release the A/B TRIG button to return 1.791 DISP to normal operating mode. 1.792 LABEL HRS_ON_CAL05 1.793 HEAD CAL 05 - Set HRS ON and PWR ON/OFF cycles. 1.794 OPBR Do you want to perform HRS ON/OFF Cycles? 1.795 JMPL VERT_TRANS_CAL06 MEM1 == -1 1.796 JMPL CAL05 M[99] == 1 1.797 LABEL START_CAL05 1.798 HEAD 5. Check/Adjust Hours On and Power On/Off cycles. 1.799 DISP Simultaneously press in and hold the t and the 1.799 DISP V push buttons, then press and hold the SLOPE 1.799 DISP button. Hold all three buttons in for approximately 1.799 DISP one second, then release them. 1.800 OPBR Does the readout indicate: 1.800 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.801 JMPL START_CAL05 MEM1 < 0 1.802 MATH M[99] = 1 1.803 LABEL CAL05 1.804 DISP Scroll to CAL 05. 1.804 DISP 1.804 DISP Press and release the upper TRIGGER COUPLING switch 1.804 DISP to initiate the routine. 1.805 OPBR Does the Readout indicate: 1.805 OPBR HRS ON xxx PWR ON/OFF xxx REF PWR PUSH 1.805 OPBR MAG 10/1? 1.806 JMPL CALIBRATION_ABORTED MEM1 < 0 1.807 DISP Press and release the lower TRIGGER SOURCE and 1.807 DISP then press and release the lower TRIGGER MODE to 1.807 DISP reset HRS ON and PWR ON/OFF to zero. 1.808 DISP [32] NOTE!!! 1.808 DISP 1.808 DISP HRS ON and PWR ON/OFF can be set to any value from 1.808 DISP 0-99999 with the REF and controls. The 1.808 DISP X10 MAG Switch can be used to select increment by 1.808 DISP 10 or increment by 1 mode. 1.809 DISP Press and release the lower TRIGGER COUPLING switch 1.809 DISP to exit routine. 1.810 LABEL VERT_TRANS_CAL06 1.811 HEAD CAL 06 - VERTICAL TRANSIENT RESPONSE 1.812 HEAD 6. Check/Adjust Vertical Transient Response 1.813 OPBR Do you want to perform Vert Transient (CAL 06)? 1.814 JMPL READOUT_CAL07 MEM1 == -1 1.815 JMPL CAL06 M[99] == 1 1.816 LABEL START_CAL06 1.817 DISP Simultaneously press in and hold the t and the 1.817 DISP V push buttons, then press and hold the SLOPE 1.817 DISP button. Hold all three buttons in for approximately 1.817 DISP one second, then release them. 1.818 OPBR Does the readout indicate: 1.818 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.819 JMPL START_CAL06 MEM1 < 0 1.820 MATH M[99] = 1 1.821 LABEL CAL06 1.822 DISP Scroll to CAL 06. 1.822 DISP 1.822 DISP Press and release the upper TRIGGER COUPLING button 1.822 DISP to initiate the routine. 1.823 OPBR Does the readout indicate: 1.823 OPBR ADJ (step) 1, 10 mV, 100 ns? 1.824 JMPL CALIBRATION_ABORTED MEM1 < 0 1.825 DISP Connect the 5520A Scope Output and a Tunnel Diode 1.825 DISP Pulser to UUT CH 1 input. 1.826 5520 50Vpp 100kH SQ S6 S 1.827 DISP Rotate the pulser Trigger control CW (from a full CCW 1.827 DISP position) until a stable pulse first appears on the 1.827 DISP graticule. Over adjustment of the pulser Trigger 1.827 DISP control will lead to erroneous transient response 1.827 DISP adjustment. Display amplitude will be approximately 1.827 DISP 5 divisions. The oscilloscope TRIGGER LEVEL control 1.827 DISP may need to be adjusted to obtain a stable trigger. 1.828 DISP [32] NOTE!!! 1.829 DISP 1.829 DISP As a guide when performing the following adjustments, 1.829 DISP optimum performance is achieved when the CH 1 and CH 2 1.829 DISP step response aberrations are < 4% over the first 10 ns 1.829 DISP of the pulse when using 10 mV/division deflection 1.829 DISP factors (<= 0.2 division on a 5-division signal). 1.830 DISP Press and release the upper TRIGGER COUPLING button 1.830 DISP twice to advance to step 3. 1.831 OPBR Does the readout indicate: 1.831 OPBR ADJ (step) 3, 10 mV, 10 ns? 1.832 JMPL CALIBRATION_ABORTED MEM1 < 0 1.833 PIC 2465ADJ4 (11,45,R/W) "R411->" 1.833 PIC (11,52,R/W) "<-C403" 1.833 PIC (10,52,R/W) "<-L403" 1.833 PIC (9,44,R/W) "<-R417" 1.833 PIC (15,13,R/W) 1.833 PIC "Adjust Trans Resp Adjustments C403, R411, L403, R417" 1.833 PIC (16,13,R/W) 1.833 PIC "and for flattest corner over first 5 ns. The" 1.833 PIC (17,13,R/W) 1.833 PIC "total system will tune best if the indicator cursor" 1.833 PIC (18,13,R/W) 1.833 PIC "is in the 7th or 8th horizontal division." 1.834 DISP [32] NOTE!!! 1.834 DISP Inductor L403 is a selectable component chosen to match 1.834 DISP transient response characteristics of the vertical 1.834 DISP system. If spreading the coil turns will not correct the 1.834 DISP front corner overshoot, a smaller value coil should be 1.834 DISP installed. Likewise, a larger coil can be installed to 1.834 DISP raise the front corner. Consult service manual for P/N. 1.835 PIC 2465ADJ1 (9,15,R/W) "R1501->" 1.835 PIC (5,30,R/W) 1.835 PIC "Turn A SEC/DIV VAR control CCW and ADJUST CRT" 1.835 PIC (6,30,R/W) 1.835 PIC "termination (R1501) for flattest waveform over" 1.835 PIC (7,30,R/W) 1.835 PIC "the first 0.2 division." 1.836 SET SEC/DIV : VAR to detent 1.837 OPBR Press and release the upper TRIGGER COUPLING button. 1.837 OPBR 1.837 OPBR Does readout indicate: 1.837 OPBR ADJ (step) 4, 10mV, 100ns? 1.838 JMPL CALIBRATION_ABORTED MEM1 == -1 1.839 DISP Connect the 5520A Scope Output and Tunnel Diode Pulser 1.839 DISP combination to CH 2 input. 1.840 DISP [32] NOTE!!! 1.840 DISP 1.840 DISP Pressing the lower TRIGGER COUPLING button at any step 1.840 DISP of CAL 06 will return to step 1. By then pressing the 1.840 DISP upper TRIGGER COUPLING button repeatedly, the routine 1.840 DISP can be advanced to the desired step. This is useful for 1.840 DISP cal steps 1, 2, 3, and 4 which may require some 1.840 DISP compromise of adjustments. 1.841 DISP Adjust for the flattest waveform. 1.842 DISP [32] NOTE!!! 1.842 DISP 1.842 DISP Some compromise may be necessary between step 3 and 4 1.842 DISP for the flattest corner over first 5 ns. 1.843 DISP Press and release the lower TRIGGER COUPLING button 1.843 DISP to return to step 1. 1.844 DISP Disconnect the Tunnel Diode Pulser and connect the 1.844 DISP 5520A Scope Output to CH 1 input. 1.845 5520 50mVpp 100kH ED S6 S L 1.846 PIC 2465ADJ4 (9,56,R/W) "<-R605" 1.846 PIC (10,44,R/W) "R403->" 1.846 PIC (11,52,R/W) "<-C404" 1.846 PIC (10,54,R/W) "<-C601" 1.846 PIC (15,13,R/W) 1.846 PIC "Adjust Trans Resp Adjustments (R605, R403, C404, C601" 1.846 PIC (16,13,R/W) 1.846 PIC "and R1501) for flattest response in the first 100 ns." 1.847 DISP Press and release the upper TRIGGER COUPLING button. 1.847 DISP 1.847 DISP Does readout indicate: 1.847 DISP ADJ (step) 2, 10 mV, 100 ns. 1.848 JMPL CALIBRATION_ABORTED MEM1 < 0 1.849 DISP Connect 5520A Scope Output to Channel 2 input. 1.849 DISP 1.849 DISP [32] NOTE!!! 1.849 DISP 1.849 DISP Some compromise may be necessary between step 1 and 2 1.849 DISP for the flattest response in the first 100 ns. 1.850 DISP Press and release the lower TRIGGER COUPLING button 1.850 DISP to return to step 1. 1.851 DISP Move the 5520A Scope Output from Channel 2 to Channel 1. 1.852 HEAD BANDWIDTH: CH 1 1.853 MESS Adjust the amplitude for 6 divisions. 1.854 5520 60mVpp 1U 100kH LS S6 N L 1.855 MESS Slew the Frequency between 350MHz and 420MHz 1.856 5520 350MH 100U mVpp LS S6 N L 1.857 OPBR Did the amplitude remain between 4.4 and 6 divisions? 1.858 JMPL CALIBRATION_ABORTED MEM1 == -1 1.859 OPBR Press and release the upper TRIGGER COUPLING switch. 1.859 OPBR 1.859 OPBR Does the readout indicate: 1.859 OPBR ADJ (step) 2, 10mV, 10ns? 1.860 DISP Move the 5520A Scope Output from Channel 1 to Channel 2. 1.861 HEAD BANDWIDTH: CH 2 1.862 MESS Adjust the amplitude for 6 divisions. 1.863 5520 60mVpp 1U 100kH LS S6 N L 1.864 MESS Slew the Frequency between 350MHz and 420MHz 1.865 5520 350MH 100U mVpp LS S6 N L 1.866 OPBR Did the amplitude remain between 4.4 and 6 divisions? 1.867 JMPL CALIBRATION_ABORTED MEM1 == -1 1.868 DISP Press and release the upper TRIGGER COUPLING switch. 1.869 DISP Connect 5520A Scope Output and 1.869 DISP Tunnel Diode Pulser to Channel 1 1.870 5520 50Vpp 100kH SQ S6 S 1.871 DISP Rotate the pulser Trigger control CW (from a full CCW 1.871 DISP position) until a stable pulse first appears on the 1.871 DISP graticule. Over adjustment of the pulser Trigger 1.871 DISP control will lead to erroneous transient response 1.871 DISP adjustment. Display amplitude will be approximately 1.871 DISP 5 divisions. The oscilloscope TRIGGER LEVEL control 1.871 DISP may need to be adjusted to obtain a stable trigger. 1.872 OPBR Does readout indicate: 1.872 OPBR ADJ (step) 3, 10 mV, 10 ns? 1.873 PIC 2465ADJ4 (11,45,R/W) "R411->" 1.873 PIC (11,52,R/W) "<-C403" 1.873 PIC (10,52,R/W) "<-L403" 1.873 PIC (9,44,R/W) "<-R417" 1.873 PIC (15,13,R/W) 1.873 PIC "Adjust Trans Resp Adjustments C403, R411, L403, R417" 1.873 PIC (16,13,R/W) 1.873 PIC "and control for best response if necessary." 1.874 DISP Disconnect the Tunnel Diode Pulser and connect 5520A 1.874 DISP Scope Output to UUT Channel 1 input. 1.875 MESS Adjust for a 5 division display 1.876 5520 50mVpp 10U 10MH ED S6 N L 1.877 DISP Note the amount of roll up or roll down in the 1.877 DISP first 3 ns. This difference represents the error 1.877 DISP between the Tunnel diode Pulser (reference) and the 1.877 DISP fast rise generator output. 1.878 DISP Press and release the upper TRIGGER COUPLING switch 1.878 DISP (step 4). 1.878 DISP 1.878 DISP Move the test signal to Channel 2. 1.879 5520 250mVpp 10U 10MH ED S6 N L 1.880 DISP Adjust until CH 2 waveform best matches that 1.880 DISP noted in previous step. 1.881 DISP Press and release the upper TRIGGER COUPLING switch 1.881 DISP (step 5). 1.882 HEAD CH 1 VERTICAL 1.883 5520 50mVpp 10MH ED S6 S L 1.884 DISP Move the test signal to CH 1. Adjust for best 1.884 DISP front corner. 1.885 DISP Press and release the upper TRIGGER COUPLING switch 1.885 DISP (step 6). 1.886 5520 100mVpp 10MH ED S6 S L 1.887 DISP Adjust for best corner. 1.887 DISP 1.887 DISP {32} NOTE!!! 1.887 DISP 1.887 DISP The 5 mV response should have a 4-5% front corner 1.887 DISP spike to maintain correct bandwidth. 1.888 DISP Press and release the upper TRIGGER COUPLING switch 1.888 DISP (step 7). 1.889 5520 500mVpp 10U 10MH ED S6 N L 1.890 DISP Adjust for best corner. 1.891 DISP Press and release the upper TRIGGER COUPLING switch 1.891 DISP (step 8). 1.892 5520 500mVpp 10U 10MH ED S6 N L 1.893 DISP Adjust for best corner. 1.894 DISP Press and release the upper TRIGGER COUPLING switch 1.894 DISP (step 9). 1.895 5520 500mVpp 10U 10MH ED S6 N L 1.896 DISP Adjust for a corner spike of 6 to 7%. 1.896 DISP This is necessary to have the 10X bandwidth (0.1V - 1.896 DISP 0.5V) be similar to the 10 mV bandwidth. 1.897 DISP Press and release the upper TRIGGER COUPLING switch 1.897 DISP (step 10). 1.898 5520 1.0Vpp 10MH ED S6 S L 1.899 DISP Adjust for best corner. 1.900 DISP Press and release the upper TRIGGER COUPLING switch 1.900 DISP (step 11). 1.901 5520 2.5Vpp 10MH ED S6 S L 1.902 DISP Adjust for best corner. 1.903 DISP Press and release the upper TRIGGER COUPLING switch 1.903 DISP (step 12). 1.904 DISP [32] NOTE!!! 1.904 DISP 1.904 DISP Generator amplitude for the 1 V step will be 1.904 DISP approximately 2.5 divisions. 1.904 DISP 1.904 DISP Adjust for best corner. 1.905 DISP Press and release the upper TRIGGER COUPLING switch 1.905 DISP (steps 13 and 14 are automatically calibrated). 1.906 HEAD CH2 Vertical 1.907 5520 50mVpp 10MH ED S6 S L 1.908 DISP Move the test signal to CH 2. Adjust for best 1.908 DISP front corner. 1.909 DISP Press and release the upper TRIGGER COUPLING switch 1.909 DISP (step 16). 1.910 5520 100mVpp 10MH ED S6 S L 1.911 DISP Adjust for best corner. 1.911 DISP 1.911 DISP {32} NOTE!!! 1.911 DISP 1.911 DISP The 5 mV response should have a 4-5% front corner 1.911 DISP spike to maintain correct bandwidth. 1.912 DISP Press and release the upper TRIGGER COUPLING switch 1.912 DISP (step 17). 1.913 5520 500mVpp 10U 10MH ED S6 N L 1.914 DISP Adjust for best corner. 1.915 DISP Press and release the upper TRIGGER COUPLING switch 1.915 DISP (step 18). 1.916 5520 500mVpp 10U 10MH ED S6 N L 1.917 DISP Adjust for best corner. 1.918 DISP Press and release the upper TRIGGER COUPLING switch 1.918 DISP (step 19). 1.919 5520 500mVpp 10U 10MH ED S6 N L 1.920 DISP Adjust for a corner spike of 6 to 7%. 1.920 DISP This is necessary to have the 10X bandwidth (0.1V - 1.920 DISP 0.5V) be similar to the 10 mV bandwidth. 1.921 DISP Press and release the upper TRIGGER COUPLING switch 1.921 DISP (step 20). 1.922 5520 1.0Vpp 10MH ED S6 S L 1.923 DISP Adjust for best corner. 1.924 DISP Press and release the upper TRIGGER COUPLING switch 1.924 DISP (step 21). 1.925 5520 2.5Vpp 10MH ED S6 S L 1.926 DISP Adjust for best corner. 1.927 DISP Press and release the upper TRIGGER COUPLING switch 1.927 DISP (step 22). 1.928 DISP [32] NOTE!!! 1.928 DISP 1.928 DISP Generator amplitude for the 1 V step will be 1.928 DISP approximately 2.5 divisions. 1.928 DISP 1.928 DISP Adjust for best corner. 1.929 DISP Press and release the upper TRIGGER COUPLING switch 1.929 DISP (steps 23 and 24 are automatically calibrated). 1.930 5520 * S 1.931 OPBR Disconnect the 5520A from UUT. 1.931 OPBR 1.931 OPBR Does the readout indicate: 1.932 OPBR VERT CENTER GAIN? 1.933 HEAD VERT GAIN & CENTERING 1.934 PIC 2465ADJ4 (15,61,R/W) "<-R638" 1.934 PIC (14,61,R/W) "<-R639" 1.934 PIC (18,4,R/W) 1.934 PIC "Adjust Vertical Gain (R638) and Vertical Centering" 1.934 PIC (19,4,R/W) 1.934 PIC "(R639) to align the cursors with the dotted " 1.934 PIC (20,4,R/W) "0% and 100% graticule markings." 1.935 DISP Press and release the upper TRIGGER COUPLING switch 1.935 DISP to conclude the calibration routine. 1.936 LABEL READOUT_CAL07 1.937 HEAD CAL 07 - READOUT CENTERING AND GAIN 1.938 OPBR Do you want to perform the Readout Centering 1.938 OPBR and Gain Adjustments? 1.939 JMPL PARAMETRIC_CAL09 MEM1 == -1 1.940 JMPL CAL07 M[99] == 1 1.941 LABEL START_CAL07 1.942 HEAD 7. Check/adjust Readout Centering and Gain (R2918 R2931) 1.943 DISP Simultaneously press in and hold the t and the 1.943 DISP V push buttons, then press and hold the SLOPE 1.943 DISP button. Hold all three buttons in for approximately 1.943 DISP one second, then release them. 1.944 OPBR Does the readout indicate: 1.944 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.945 JMPL START_CAL07 MEM1 < 0 1.946 MATH M[99] = 1 1.947 LABEL CAL07 1.948 DISP Scroll to CAL 07 1.948 DISP 1.948 DISP Press and release the upper TRIGGER COUPLING 1.948 DISP switch to initiate the routine. 1.949 OPBR Does the readout indicate: 1.949 OPBR Large 8 characters in the top row and BWL 1.949 OPBR characters in the bottom row? 1.950 JMPL CALIBRATION_ABORTED MEM1 < 0 1.951 PIC 2465ADJ1 (4,36,R/W) "<-R2918 CENTERING" 1.951 PIC (5,39,R/W) "<----R2931 GAIN" 1.951 PIC (7,30,R/W) 1.951 PIC "Adjust Readout Centering (R2918) and Gain (R2931)" 1.951 PIC (8,30,R/W) 1.951 PIC "so characters remain just inside the graticule area." 1.952 DISP Press and release the lower TRIGGER COUPLING switch. 1.953 LABEL PARAMETRIC_CAL09 1.954 HEAD CAL 09 - PARAMETRIC MEASUREMENTS 1.955 OPBR Do you want to perform CAL 09 Parametric Measurements? 1.956 JMPL DC_BAL_XY_PHASE MEM1 == -1 1.957 JMPL CAL09 M[99] == 1 1.958 LABEL START_CAL09 1.959 DISP Simultaneously press in and hold the t and the 1.959 DISP V push buttons, then press and hold the SLOPE 1.959 DISP button. Hold all three buttons in for approximately 1.959 DISP one second, then release them. 1.960 OPBR Does the readout indicate: 1.960 OPBR "DIAGNSTIC. PUSH A/B TRIG TO EXIT"? 1.961 JMPL START_CAL09 MEM1 < 0 1.962 MATH M[99] = 1 1.963 LABEL CAL09 1.964 OPBR Scroll to CAL 09 1.964 OPBR 1.964 OPBR Press and release the upper TRIGGER COUPLING 1.964 OPBR button to initiate the routine. 1.964 OPBR 1.964 OPBR Does readout indicate: 1.964 OPBR (step) 1, CAL 09, 100 ns? 1.965 JMPL CALIBRATION_ABORTED MEM1 < 0 1.966 DISP [32] NOTE!!! 1.966 DISP 1.966 DISP The readout prompts the operator by showing the 1.966 DISP autocal step number (upper right corner) and Time- 1.966 DISP Marker Generator setting (lower right corner). 1.967 DISP Connect the 5520A Scope Output to CH 1 input. 1.968 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 1 1.969 5520 0.1uT M1 S6 S L 1.970 OPBR Press and release the upper TRIGGER COUPLING 1.970 OPBR button to calibrate the step. 1.970 OPBR 1.970 OPBR Does readout indicate: 1.970 OPBR (step) 2, CAL 09, 100 ns? 1.971 JMPL CALIBRATION_ABORTED MEM1 < 0 1.972 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 2 1.973 5520 0.1uT M1 S6 S L 1.974 OPBR Press and release the upper TRIGGER COUPLING 1.974 OPBR button to calibrate the step. 1.974 OPBR 1.974 OPBR Does readout indicate: 1.974 OPBR (step) 3, CAL 09, 200 ns? 1.975 JMPL CALIBRATION_ABORTED MEM1 < 0 1.976 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 3 1.977 5520 0.2uT M1 S6 S L 1.978 OPBR Press and release the upper TRIGGER COUPLING 1.978 OPBR button to calibrate the step. 1.978 OPBR 1.978 OPBR Does readout indicate: 1.978 OPBR (step) 4, CAL 09, 500 ns? 1.979 JMPL CALIBRATION_ABORTED MEM1 < 0 1.980 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 4 1.981 5520 0.5uT M1 S6 S L 1.982 OPBR Press and release the upper TRIGGER COUPLING 1.982 OPBR button to calibrate the step. 1.982 OPBR 1.982 OPBR Does readout indicate: 1.982 OPBR (step) 5, CAL 09, 1 us? 1.983 JMPL CALIBRATION_ABORTED MEM1 < 0 1.984 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 5 1.985 5520 1.0uT M1 S6 S L 1.986 OPBR Press and release the upper TRIGGER COUPLING 1.986 OPBR button to calibrate the step. 1.986 OPBR 1.986 OPBR Does readout indicate: 1.986 OPBR (step) 6, CAL 09, 2 us? 1.987 JMPL CALIBRATION_ABORTED MEM1 < 0 1.988 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 6 1.989 5520 2.0uT M1 S6 S L 1.990 OPBR Press and release the upper TRIGGER COUPLING 1.990 OPBR button to calibrate the step. 1.990 OPBR 1.990 OPBR Does readout indicate: 1.990 OPBR (step) 7, CAL 09, 5 us? 1.991 JMPL CALIBRATION_ABORTED MEM1 < 0 1.992 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 7 1.993 5520 5.0uT M1 S6 S L 1.994 OPBR Press and release the upper TRIGGER COUPLING 1.994 OPBR button to calibrate the step. 1.994 OPBR 1.994 OPBR Does readout indicate: 1.994 OPBR (step) 8, CAL 09, 10 us? 1.995 JMPL CALIBRATION_ABORTED MEM1 < 0 1.996 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 8 1.997 5520 10uT M1 S6 S L 1.998 OPBR Press and release the upper TRIGGER COUPLING 1.998 OPBR button to calibrate the step. 1.998 OPBR 1.998 OPBR Does readout indicate: 1.998 OPBR (step) 9, CAL 09, 20 us? 1.999 JMPL CALIBRATION_ABORTED MEM1 < 0 2.001 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 9 2.002 5520 20uT M1 S6 S L 2.003 OPBR Press and release the upper TRIGGER COUPLING 2.003 OPBR button to calibrate the step. 2.003 OPBR 2.003 OPBR Does readout indicate: 2.003 OPBR (step) 10, CAL 09, 50 us? 2.004 JMPL CALIBRATION_ABORTED MEM1 < 0 2.005 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 10 2.006 5520 50uT M1 S6 S L 2.007 OPBR Press and release the upper TRIGGER COUPLING 2.007 OPBR button to calibrate the step. 2.007 OPBR 2.007 OPBR Does readout indicate: 2.007 OPBR (step) 11, CAL 09, 100 us? 2.008 JMPL CALIBRATION_ABORTED MEM1 < 0 2.009 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 11 2.010 5520 100uT M1 S6 S L 2.011 OPBR Press and release the upper TRIGGER COUPLING 2.011 OPBR button to calibrate the step. 2.011 OPBR 2.011 OPBR Does readout indicate: 2.011 OPBR (step) 12, CAL 09, 200 us? 2.012 JMPL CALIBRATION_ABORTED MEM1 < 0 2.013 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 12 2.014 5520 200uT M1 S6 S L 2.015 OPBR Press and release the upper TRIGGER COUPLING 2.015 OPBR button to calibrate the step. 2.015 OPBR 2.015 OPBR Does readout indicate: 2.015 OPBR (step) 13, CAL 09, 500 us? 2.016 JMPL CALIBRATION_ABORTED MEM1 < 0 2.017 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 13 2.018 5520 500uT M1 S6 S L 2.019 OPBR Press and release the upper TRIGGER COUPLING 2.019 OPBR button to calibrate the step. 2.019 OPBR 2.019 OPBR Does readout indicate: 2.019 OPBR (step) 14, CAL 09, 1 ms? 2.020 JMPL CALIBRATION_ABORTED MEM1 < 0 2.021 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 14 2.022 5520 1.0mT M1 S6 S L 2.023 OPBR Press and release the upper TRIGGER COUPLING 2.023 OPBR button to calibrate the step. 2.023 OPBR 2.023 OPBR Does readout indicate: 2.023 OPBR (step) 15, CAL 09, 2 ms? 2.024 JMPL CALIBRATION_ABORTED MEM1 < 0 2.025 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 15 2.026 5520 2.0mT M1 S6 S L 2.027 OPBR Press and release the upper TRIGGER COUPLING 2.027 OPBR button to calibrate the step. 2.027 OPBR 2.027 OPBR Does readout indicate: 2.027 OPBR (step) 16, CAL 09, 5 ms? 2.028 JMPL CALIBRATION_ABORTED MEM1 < 0 2.029 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 16 2.030 5520 5.0mT M1 S6 S L 2.031 OPBR Press and release the upper TRIGGER COUPLING 2.031 OPBR button to calibrate the step. 2.031 OPBR 2.031 OPBR Does readout indicate: 2.031 OPBR (step) 17, CAL 09, 10 ms? 2.032 JMPL CALIBRATION_ABORTED MEM1 < 0 2.033 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 17 2.034 5520 10mT M1 S6 S L 2.035 OPBR Press and release the upper TRIGGER COUPLING 2.035 OPBR button to calibrate the step. 2.036 HEAD PARAMETRIC MEASUREMENTS - CAL 09 (step) 18 - 28 2.037 DISP Steps 18 through 28 are automatically 2.037 DISP calibrated by the UUT system processor. 2.037 DISP 2.037 DISP Disconnect the 5520A from UUT. 2.038 HEAD 9. Adjust Bandwidth Limit 2.039 SET CH 1 POSITION : Midrange 2.039 SET Channels : 1;On 2;Off 3;Off 4;Off 2.039 SET 20 MHz BW LIMIT : On 2.039 SET VOLTS/DIV CH 1 : 10 mV 2.039 SET CH 1 VAR : In detent (locked CW) 2.039 SET Input Coupling CH 1 : 1 MOhm DC 2.040 SET HORIZ POSITION : Midrange 2.040 SET X10 MAG : Off 2.040 SET A SEC/DIV : 100ns (knob in) 2.040 SET SEC/DIV VAR : In detent 2.041 SET TRIG HOLDOFF : MIN (Fully CCW) 2.041 SET TRIG LEVEL : Midrange 2.041 SET TRIGGER : +, AUTO LVL, VERT, DC 2.042 DISP Connect 5520A Scope Output to CH 1 input through 2.042 DISP a 50 ohm termination. 2.043 5520 50mVpp 100kH SQ S6 S L 2.044 PIC 2465ADJ4 (12,60,R/W) "<-L644" 2.044 PIC (10,57,R/W) "BANDWIDTH" 2.044 PIC (11,60,R/W) "LIMIT" 2.044 PIC (7,30,R/W) 2.044 PIC "Adjust coil (L644) for as flat a response" 2.044 PIC (7,62,R/W) "as possible." 2.045 DISP Disconnect the 5520A from UUT. 2.046 LABEL DC_BAL_XY_PHASE 2.047 OPBR Do you want to perform DC Balance, and X-Y Phase 2.047 OPBR Differential Adjustments? 2.048 JMPL CAL_COMPLETED MEM1 == -1 2.049 HEAD CONTROL SETTINGS 2.050 SET A and B SEC/DIV : 1ms 2.050 SET Channels : 1;On 2;Off 3;Off 4;Off 2.050 SET Delta : V On 2.051 HEAD 1. Check/Adjust Readout Jitter (R805 and R618) 2.052 DISP Rotate the REF OR DLY POS control CCW until 2.052 DISP the RATIO readout is constant. 2.052 DISP 2.052 DISP Rotate the control until the readout 2.052 DISP display indicates 130.0% 2.053 OPBR Is one cursor near the bottom horizontal graticule line 2.053 OPBR and the other near dotted graticule line marked 100%? 2.054 JMPL CALIBRATION_ABORTED MEM1 < 0 2.055 DISP Rotate the REF OR DLY POS control until the 2.055 DISP readout displays exactly 100.0%. The cursors should 2.055 DISP now be on or near the dotted graticule lines marked 2.055 DISP 0% and 100%. 2.056 DISP Connect the 5520A Scope Output to UUT Channel 1. 2.057 DISP Use the REF or DLY POS control to position one 2.057 DISP cursor 3 divisions above graticule center and use the 2.057 DISP control to position the other cursor 3 divisions 2.057 DISP below graticule center. 2.058 5520 80mVpp 1kH ZQ S6 S L 2.059 DISP Use the CH1 Vertical and the Horizontal POSITION 2.059 DISP controls to center the CH1 display on the graticule. 2.060 PIC 2465ADJ4 (11,40,R/W) "R618->" 2.060 PIC (8,2,R/W) 2.060 PIC "Adjust Vertical readout Jitter (R618) for minimum" 2.060 PIC (9,2,R/W) 2.060 PIC "vertical jitter of the readout characters and cursors" 2.061 PIC 2465ADJ4 (15,61,R/W) "<--R638" 2.061 PIC (14,61,R/W) "<--R639" 2.061 PIC (9,2,R/W) 2.061 PIC "Adjust Gain (R638) and Centering (R639) to align" 2.061 PIC (10,2,R/W) 2.061 PIC "cursors with the 0 and 100% graticule markings" 2.062 HEAD CONTROL SETTINGS 2.063 SET Delta : t On 2.064 HEAD JITTER 2.065 DISP Using the REF or DLY POS control, position the 2.065 DISP cursors to the 2nd and 10th graticule lines. 2.066 SET X10 MAG : On 2.067 PIC 2465ADJ4 (18,41,R/W) "<-R805" 2.067 PIC (15,4,R/W) 2.067 PIC "Adjust Horizontal Readout Jitter (R805) for minimum" 2.067 PIC (16,4,R/W) 2.067 PIC "horiz jitter of the readout characters and cursors." 2.068 5520 * S 2.069 DISP X10 MAG : Off 2.070 DISP Disconnect the 5520A from the UUT. 2.071 HEAD CONTROL SETTINGS 2.072 SET Input Coupling CH 1 : 1 MOhm AC 2.072 SET Input Coupling CH 2 : 1 MOhm AC 2.073 HEAD 2. CH 1 and CH 2 DC BALANCE 2.074 OPBR Press and hold momentarily and release the CH 1 and CH 2 2.074 OPBR upper Input Coupling switches simultaneously. 2.074 OPBR 2.074 OPBR Does the display read DC BALANCE IN PROGRESS for 2.074 OPBR approximately 10 seconds, then the display returns to 2.074 OPBR normal? 2.075 JMPL CALIBRATION_ABORTED MEM1 < 0 2.076 OPBR Is there less than 0.2-division + 0.5mV vertical trace 2.076 OPBR shift when the CH 1 VOLTS/DIV switch is rotated through 2.077 OPBR all of its settings? 2.078 JMPL CALIBRATION_ABORTED MEM1 < 0 2.079 HEAD CONTROL SETTINGS 2.080 SET Channels : 1;Off 2;On 3;Off 4;Off 2.081 HEAD CH 1 and CH 2 DC BALANCE 2.082 OPBR Is there less than 0.2-division + 0.5mV vertical trace 2.082 OPBR shift when the CH 2 VOLTS/DIV switch is rotated through 2.082 OPBR all of its settings? 2.083 JMPL CALIBRATION_ABORTED MEM1 < 0 2.084 HEAD CONTROL SETTINGS 2.085 SET VOLTS/DIV CH 1 : 50mV 2.085 SET Input Coupling CH 1 : 50 Ohm DC 2.085 SET A and B SEC/DIV : X-Y 2.085 SET Channels : 1;On 2;Off 3;Off 4;Off 2.086 HEAD 3. Adjust X-Y PHASING (C118) 2.087 DISP Connect the 5520A Scope Output to UUT Channel 1. 2.088 MESS Adjust the amplitude for 6 divisions. 2.089 5520 300mVpp 0U 1MH LS S6 N L 2.090 MESS 2.091 5520 mVpp 1MH LS S6 S L 2.092 DISP Use the CH1 POSITION control to vertically center the 2.092 DISP on the graticule. 2.093 PIC 2465ADJ4 (17,38,R/W) "<-C118" 2.093 PIC (15,10,R/W) 2.093 PIC "Adjust X-Y Phasing (C118) for no opening in the" 2.093 PIC (16,10,R/W) "elipse." 2.094 MESS Adjust the amplitude for 6 divisions. 2.095 5520 300mVpp 0U 2MH LS S6 N L 2.096 MESS 2.097 OPBR Is the horizontal opening in the elipse <= 0.3 divisions 2.097 OPBR measured at the center horizontal graticule line? 2.098 JMPL CALIBRATION_ABORTED MEM1 < 0 2.099 JMP 2.103 2.100 LABEL CALIBRATION_ABORTED 2.101 DISP FATAL ERROR: Calibration Aborted! 2.102 LABEL CAL_COMPLETED 2.103 HEAD CONCLUSION OF THE PROCEDURE 2.104 5520 * S 2.105 MATH M[99] = 0 2.106 DISP Disconnect all leads from the calibration system first 2.106 DISP and then from the oscilloscope. 2.106 DISP Switch off the oscilloscope and disconnect it from the 2.106 DISP line power. 2.107 DISP Make sure the CAL/NO CAL jumper (P501 on the Control 2.107 DISP Board) is placed in the NO CAL position 2.107 DISP [32] (Between pins 1 and 2). 2.107 DISP 2.107 DISP Re-install the cover. 2.108 END