Trouble Shooting - Sony SDM-S76A Service Manual

17" LCD Color Monitor

6. Trouble Shooting

6.1 Main Board
No power
Please reinsert and make sure
the AC of 100-240 is normal
No power
Press power key and look
if the picture is normal
NG
NG
OK
Measure U602 PIN2=3.3V
U603 PIN2=1.8V
NG
OK
X301 oscillate waveforms
are normal
NG
OK
Replace U301
Reinsert or check
the power section
Replace U602, U603
Replace X301
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SDM-S76A