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NO PICTURE
Are the Brightness and
Contrast set to NORMAL?
Yes
Is the voltage at pin 8
of IC1501 DC 5V ?
Yes
Is there a waveform at
pin 4 of IC1501.
Yes
Is there a waveform at
pin 7 of IC601.
Yes
Is the voltage at pins
21 and 13 of IC601
DC 9V ?
Yes
Is the voltage at pins 36 of
IC601 DC 5V ?
Yes
Is TV, AV and DVD
MODE of all NG?
Yes
Check IC601 and peripheral circuit.
No
No
No
No
No
No
No
No. 52133
Adjust Brightness and Contrast.
Check P. CON + 5V line.
Check IC4202 and peripheral circuit.
Check q1501 and peripheral circuit.
Check P. CON + 9V line.
Check CHROMA +5V line.
Check NG MODE circuit line.
AV-20FD24
33
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