Acer AL1702 Servicehandleiding - Pagina 35

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Acer AL1702 Servicehandleiding
2. No Picture
Measure U201 PIN2=3.3V
Check if X401oscillate waveforms are
normal
Check if the sync signal from
computer is output and video cable
is connected normally
No picture
OK
NG
OK
NG
OK
Replace U401,U501
NG
Replace U201
Replace X401
Input the sync signal of computer, or
change the cable
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