|
|
| Troubleshooting Guides: IC-M80,
IC-M100 and IC-M120 |
| Symptom: |
No TX, poor RX
sensitivity. |
| Cure: |
Resolder cracked solder
joints in VCO section. |
|
|
| Symptom: |
No RX/TX. |
| Probable
Cause: |
PLL unlock. |
| Cure: |
Repair cracked solder
in VCO sections. |
|
| IC-M56 |
| Symptom: |
Flashing display. |
| Probable
Cause: |
PLL unlock. |
| Cure: |
Repair cracked solder
in VCO sections. |
|
| IC-M125 |
| Symptom: |
Various logic-related
symptoms including stuck in IC mode, no display, etc... |
| Probable
Cause: |
Blown IC22 chip. |
| Cure: |
Replace IC22 chip. |
|
|
| Symptom: |
When dial is pressed,
radio goes to channel 70. |
| Probable
Cause: |
Lithium battery is
shorting to radio. |
| Cure: |
Replace IC22 chip. |
|
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