Chapter 4 Troubleshooting - Acer V203W Service Manual

Acer 20" computer monitor
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Troubleshooting
This chapter provides troubleshooting information for the V203W:
1. No Power
Replace X401
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
OK
Measure U702 Pin2=3.3V,
OK
Check if X401 oscillate
waveforms are normal
NG
OK
Replace U401
NG
NG
31
Reinsert or check the
power section
Measure CN702
OK
Replace U702
Chapter 4

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