Daewoo L700C Service Manual page 29

TROUBLESHOOTING HINTS (L700CAV)
1. Abnormal mode detect
1-1.
Abnormal mode detect for PC Source
H-sync of ADC(pin 40,
of clock of ADC(pin81,
Abnormal mode
detect
Yes
Is a input
U13) correct?
Yes
Is waveform
U13) correct?
Yes
Trouble
in Scaler(U9).
No
Trouble in the H-sync
input circuit.
No
Trouble
in ADC.
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