Technical information

2. No Picture
No picture
Measure U701 PIN2=3.3V
U702 PIN2=3.3V,U705 PIN2=3.3
OK
Replace U701, U702, U705
NG
Check if X401,X402 oscillate
waveforms are nor
l
OK
Replace X401,
X402
NG
Check if the sync signal from
computer is output and video cable
is connected normally
Replace U401
Input the sync signal of
computer, or change the
cable
NG
OK
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