Chapter 2. Troubleshooting Guide - Genius SW-Q5.1 Service Manual

Service Manual

Chapter 2. Troubleshooting Guide

Problems
1.no power
2.display L.E.D. unlight 1.cover broken 1.L.E.D. broken or NG
3.button NG
4.no sound
5.noise
Condition Probable Reasons
1.9 Pin cable 1.cable broken
2.Transformer 1.Transformer open
3.PCBA 1.Bridge Diode NG
2.Transistor NG
3.IC NG
2.PCBA 1.L.E.D. pin problem
1.button 1.button NG
1.signal cable 1.signal cable NG
2.PCBA 1. PCBA NG
2.RCA socket NG
1.speaker 1.speaker NG
2.PCBA 1.PCBA NG
Version 1.0
Solutions
1.replace cable
1.replace Transformer
1.replace Bridge Diode
1.replace Transistor
1.replace IC
1.replace L.E.D.
1.Resoldering L.E.D.
1.replace button
1.replace signal cable
1.replace PCBA
1.replace RCA socket
1.replace speaker
1.replace PCBA
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