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Check the voltage at the pin41 of IC01
Below 0.5V
Check/Replace SCART pin16
Abnormal
Check/Replace X701
Check/Replace Q206
Abnormal
Check/Replace X702
No
Check the voltage at the
pin61, 62, 63 of IC701
Check/Replace IC701
5V
Check the waveform at the pin6 of
IC701
Check the waveform at the pin10
of IC701
Check the waveform at the pin10,
2
11, 15 (I
C BUS) of IC703
Check the waveform at the pin1,
4, 6 of IC504
Noraml
Check the waveform at the pin15,
16, 17 of IC501
Yes
Check the voltage at the pin14 of
IC501
OK
Check/Replace
Check/Replace
IC501
IC504, 701
Normal
Normal
Normal
Abnormal
Check/Re
place
IC504
NG
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