Acer X193HQ Series Manual de servicio - Página 30
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Troubleshooting
This chapter provides troubleshooting information for the X193HQ:
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 U404 Pin2=3.3V,
NG
OK
Check if X401 oscillate
waveforms are normal
NG
OK
Replace U401
NG
Reinsert or check the
power section
Measure 3,4pin of CN404
OK
Replace U404
30
Chapter 4