Acer V193W - Chapter 5 Troubleshooting

Service Guide Acer V193W
Troubleshooting Chapter 5
This chapter provides troubleshooting information for the V193W:
Main Board
1. No Power
OK
Replace soft U402/U401
No power
Press power key and look if
the picture is normal
Please reinsert and make sure the AC
100-240V is normal
?
Reinsert or check the power section
Check 5V-CN701, 3.3V-U701-2;
Check X401 waveform
Re
p
lace X401
OK
OK
NG
Check flow chart
For the no power
NG
NG
NG
Check&replace
CN701,
U701,Q702,Q703,Q302,Q301
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