Acer AL1716V Manual de serviço - Página 34

Procurar online ou descarregar pdf Manual de serviço para Monitor Acer AL1716V. Acer AL1716V 47 páginas.

Acer AL1716V Manual de serviço
2. No picture (LED is orange)
Measure U701 PIN2=3.3V
Check if the sync signal from
computer is output and video cable
is connected normally
No picture
U702 PIN2=3.3V
OK
X401 oscillate waveforms are
normal
OK
OK
Replace U401
NG
Replace U701, U702
NG
Replace X401
Input the sync signal of
NG
computer, or change the
cable
33