Acer PF-801 Informacje Techniczne Pobierz pdf (Strona 35)

35

2. No Picture

No picture

Measure U201 PIN2=3.3V

Replace U201

Check if X401oscillate waveforms are

normal

Replace X401

Check if the sync signal from

computer is output and video cable

is connected normally

Input the sync signal of computer, or

change the cable

Re

p

lace U401,U501

NG

OK

NG

OK

OK

NG

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