User Contributed MET/CAL PROCEDURE ============================================================================== INSTRUMENT: TEKTRONIX DM 501 PERFORMANCE TEST/ CALIBRATION DATE: 22-Apr-87 AUTHOR: User Contributed REVISION: V 4.0 ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 40 NUMBER OF LINES: 149 CONFIGURATION: Fluke 5100B Fluke 5205A CONFIGURATION: Fluke 7405 TI Panel ============================================================================== STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 HEAD {DM 501 PERFORMANCE TEST/ CALIBRATION} [7] 1.002 ASK- F 1.003 EVAL IS THE {AMBIENT TEMPERATURE 25 +/- 5 DEGREES C.}? 2.001 DISP Connect the UUT to AC POWER and pull the "POWER" 2.001 DISP switch on. 2.002 DISP Connect a TEST CABLE to the UUT input "HI" and "LO" 2.002 DISP terminals. 2.003 OPBR Do you want to conduct a PERFORMANCE TEST? 2.004 JMPF 40.005 2.005 HEAD {DC VOLTAGE TESTS} [7] 2.006 5100 2 0.19V 0.0002U 2W 3.001 5100 2 -0.19V 0.0002U 2W 4.001 5100 2 1.9V 0.0021U 2W 5.001 5100 2 -1.9V 0.0021U 2W 6.001 5100 20 19V 0.0192U 2W 7.001 5100 20 -19V 0.0192U 2W 8.001 5100 200 190V 0.1902U 2W 9.001 5100 200 -190V 0.1902U 2W 10.001 5205 1000 1000V 1.0002U 2W 11.001 5205 1000 -1000V 1.0002U 2W 12.001 HEAD {AC VOLTAGE TESTS} [7] 12.002 5205 500 500V 2.7U 50H 2W 13.001 5205 500 500V 2.7U 10KH 2W 14.001 5205 200 190V 0.97U 10KH 2W 15.001 5100 200 190V 0.97U 50H 2W 16.001 5100 20 19V 0.097U 50H 2W 17.001 5100 20 19V 0.097U 10KH 2W 18.001 5100 2 1.9V 0.0097U 50H 2W 19.001 5100 2 1.9V 0.0097U 10KH 2W 20.001 5100 2 0.19V 0.0012U 50H 2W 21.001 5100 2 0.19V 0.0012U 10KH 2W 22.001 HEAD {RESISTANCE TESTS} [7] 22.002 RESF 2 0.1KZ 0.0008U 2W 23.001 RESF 2 1KZ 0.0059U 2W 24.001 RESF 20 10KZ 0.0572U 2W 25.001 RESF 200 100KZ 0.5702U 2W 26.001 RESF 2 1MZ 0.0059U 2W 27.001 RESF 20 10MZ 0.0952U 2W 28.001 HEAD {DC CURRENT TESTS} [7] 28.002 5100 2 1.9mA 0.004U 2W 29.001 5100 20 19mA 0.0382U 2W 30.001 5100 200 190mA 0.3802U 2W 31.001 5100 2000 1900mA 3.8002U 2W 32.001 HEAD {AC CURRENT TESTS} [7] 32.002 5100 2 1.9mA 0.0116U 50H 2W 33.001 5100 2 1.9mA 0.0124U 5KH 2W 34.001 5100 20 19mA 0.1142U 50H 2W 35.001 5100 20 19mA 0.115U 5KH 2W 36.001 5100 200 190mA 1.1402U 50H 2W 37.001 5100 200 190mA 1.141U 5KH 2W 38.001 5100 2000 1900mA 11.4002U 50H 2W 39.001 5100 2000 1900mA 11.401U 5KH 2W 40.001 OPBR Did the UUT fail any of the PERFORMANCE TESTS? 40.002 JMPF 40.409 40.003 OPBR Do you want to perform a CALIBRATION on the DM 501? 40.004 JMPF 40.409 40.005 HEAD {DM 501 CALIBRATION} [7] 40.006 DISP Turn off the AC POWER and remove the TOP COVER of the 40.006 DISP UUT. Pull the DM 501 MODULE out of the instrument and 40.006 DISP remove the LEFT SIDE MODULE COVER to allow access to 40.006 DISP CALIBRATION ADJUSTMENTS and TEST POINTS. Install the 40.006 DISP DM 501 MODULE back in the instrument and turn on the 40.006 DISP AC POWER. 40.007 HEAD {5 VOLT POWER SUPPLY ADJUST} [7] 40.008 DISP Connect the POS. TEST LEAD to PIN 24 of U330, "+5 V 40.008 DISP TEST POINT", and the NEG. TEST LEAD to CHASSIS GND. 40.008 DISP Refer to the TECH. MANUAL for CALIBRATION ADJUSTMENT 40.008 DISP and TEST POINT locations. 40.009 MESS Adjust "5V ADJ. (R420)" for a UUT display reading of 40.009 MESS 5V +/- .1V DC. 40.010 8506 5V S 2W 40.011 8506 * S 40.012 HEAD {INTEGRATOR ZERO ADJUST} [7] 40.013 DISP Select the "2V DC" RANGE/ FUNCTION on the UUT. Short 40.013 DISP the INPUT "HI" and "LO" terminals. Adjust "INTEGRATOR 40.013 DISP ZERO (R155)" for a UUT display reading of all zeroes 40.013 DISP +/- 1 count. Remove the short. 40.014 HEAD {DC VOLTAGE ADJUST} [7] 40.015 DISP Connect a TEST CABLE to the UUT INPUT "HI" and "LO" 40.015 DISP terminals. 40.016 5100 1.9V S 2W 40.017 DISP Adjust "+ DC CAL. (R182)" for a UUT display reading of 40.017 DISP 1.9V +/- 1 count. 40.018 5100 -1.9V S 2W 40.019 DISP Adjust "-DC CAL. (R202)" for a UUT display reading of 40.019 DISP -1.9V +/- 1 count. 40.020 5100 * S 40.021 HEAD {OHMS ADJUST} [7] 40.022 DISP Select the "200K OHMS" RANGE/ FUNCTION on the UUT. 40.023 RESF 190KZ S 2W 40.024 DISP Adjust "OHMS ADJ. (R35)" for a UUT display reading of 40.024 DISP 190K OHMS +/- 1 count. 40.025 RESF * S 40.026 HEAD {DC CURRENT ADJUST} [7] 40.027 DISP Select the "2000mA DC" RANGE/ FUNCTION" on the UUT. 40.027 DISP Adjust "CURRENT ZERO (R50)" for a UUT display of 40.027 DISP .0 +/- 1 count. 40.028 HEAD {AC VOLTS CALIBRATION} [7] 40.029 DISP Select the "2 AC V" RANGE/ FUNCTION on the UUT. 40.030 5100 1.9V 1KH S 2W 40.031 DISP Adjust "AC CAL. (R70)" for a UUT display reading of 40.031 DISP 1.9 V +/- 1 count. 40.032 5100 * S 40.033 DISP Select the "20 AC V" RANGE/ FUNCTION on the UUT. 40.034 5100 19V 8KH S 2W 40.035 DISP Adjust "20 V AC COMP. (C42)" for a UUT display reading 40.035 DISP of 19 V +/- 1 count. 40.036 5100 * S 40.037 DISP Select the "200 V AC" RANGE/ FUNCTION on the UUT. 40.038 5205 190V 8KH S 2W 40.039 DISP Adjust the "200 V AC COMP. (C45)" for a UUT display 40.039 DISP reading of 190 V +/- 1 count. 40.040 5205 * S 40.041 DISP Select the "500 AC V" RANGE/ FUNCTION on the UUT. 40.042 5205 450V 8KH S 2W 40.043 DISP Adjust the "500 V AC COMP. (C48)" for a UUT display 40.043 DISP reading of 450 V +/- 1 count. 40.044 5205 * S 40.045 DISP Turn off the AC POWER and remove the DM 501 MODULE from 40.045 DISP the instrument case. Reinstall the LEFT SIDE MODULE 40.045 DISP COVER. Reinstall the DM 501 MODULE in the instrument. 40.045 DISP Reinstall the instrument TOP COVER. 40.046 DISP This completes the DM 501 CALIBRATION. A PERFORMANCE 40.046 DISP TEST should now be performed. 40.047 OPBR Do you want to conduct a PERFORMANCE TEST? 40.048 JMPT 2.005 40.049 DISP This completes the DM 501 PERFORMANCE TEST/ CALIBRATION. END