Philips BDP7200/12 Service Manual page 24

FLOW CHART NO.18
Audio is not outputted normally.
Set the disc on the disc tray, and playback.
Are the analog audio signals outputted to each pin
of CN2000?
CN2000 27PIN AUDIO(L)
CN2000 25PIN AUDIO(R)
Are the analog audio signals inputted to each pin
of IC2200?
IC2200 6PIN AUDIO(L)
IC2200 2PIN AUDIO(R)
Is the "H" level mute signal outputted to CN2000 ?
CN2000 23PIN AUDIO(R)-MUTE
CN2000 28PIN AUDIO(L)-MUTE
Is the signal at Pin(31) of IC2000 "H" ?
Are the analog audio signals outputted to each pin
of IC2200?
IC2200 7PIN AUDIO(L)
IC2200 1PIN AUDIO(R)
Are the audio signals outputted to the audio
terminal (JK2200)?
Yes
Yes
Yes
Yes
Yes
No
Replace the BE Main CBA Unit or FE Main CBA &
BD Mechanism Assembly.
Check each line between each pin of CN2000
and each pin of IC2200, and service it if detective.
No
CN2000 27PIN → IC2200 6PIN AUDIO(L)
CN2000 25PIN → IC2200 2PIN AUDIO(R)
No
Replace the BE Main CBA Unit or FE Main CBA &
BD Mechanism Assembly.
No
Check the AUDIO-MUTE line, and service it if
detective.
No
Replace IC2200.
No
Check the periphery between Pin(1,7) of IC2200
and JK2200, and service it if detective.
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