Troubleshooting | Chapter 4 |
This chapter provides troubleshooting information for the G195HQ:
1.Main Board 1) No Power
No power
Press power key and look if the picture is normal
NG
Please reinsert and make sure the
AC of
OKNG
Reinsert or check the power section
Measure U701 Pin2=3.3V, C704 (+) =1.8V
NG
OK
Check U701, Q702 and Q703
Check if X401 oscillate waveforms are normal
Replace X401
NG
OK
Replace U401
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