Genius GM56USB - Chapter 3. Troubleshooting Guide

Service Manual
Chapter 3. Troubleshooting Guide
Problems Probable Reasons Solutions
1. Dialing fail 1. PCB defect 1. Replace K4
2. Replace IC1
3. Replace IC2
1. Connection fail 1. PCB defect 1. Replace U1
2. Replace IC1
3. Replace IC2
4. Replace X1
5. Replace C5
Version 1.0
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