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Troubleshooting; Chapter 4 Troubleshooting - Acer G195HQ Service Manual

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Troubleshooting

This chapter provides troubleshooting information for the G195HQ:
1.Main Board
1) No Power
Please reinsert and make sure the
AC of 100-240 is normal
Check if X401 oscillate waveforms are
normal
Replace X401
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No power
Press power key and look if the
picture is normal
NG
OK
Measure U701 Pin2=3.3V, C704 (+) =1.8V
NG
OK
NG
OK
Replace U401
NG
Reinsert or check the
power section
Check U701, Q702 and Q703
Chapter 4

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