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 100-240 is normal

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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Acer G195HQ manual Main Board 1 No Power, Okng