Acer X193W Servicehandleiding - Pagina 35
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Troubleshooting
This chapter provides troubleshooting information for the X193W:
1. No Power
Replace X201
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 U301 Pin2=3.3V, U304 Pin
2=1.8V
NG
OK
Check if X201 oscillate
waveforms are normal
NG
OK
Replace U203
NG
Reinsert or check the
power section
Measure CN301 Pin3=5V?
OK
Replace U301,U304
35
Chapter 4