Toshiba D-R560KU Service Manual page 25

Are the analog audio signals outputted to each pin
of CN1101?
CN1101 17PIN AUDIO (L)-OUT
CN1101 15PIN AUDIO (R)-OUT
Are the analog audio signals inputted to each pin
of IC1201?
IC1201 6PIN AUDIO (L)-OUT
IC1201 2PIN AUDIO (R)-OUT
Do Pin(18) of CN1101 become "H" level?
Are the analog audio signals outputted to each pin
of IC1201?
IC1201 7PIN AUDIO (L)-OUT
IC1201 1PIN AUDIO (R)-OUT
Are the audio signals outputted to the audio
terminal (JK2201)?
B
Yes
Yes
Yes
Yes
No
Replace P2(DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY).
Check each line between each pin of CN1101
and each pin of IC1201, and replace P1(AV
No
ASSEMBLY) if defective.
CN1101 17PIN → IC1201 6PIN AUDIO(L)-OUT
CN1101 15PIN → IC1201 2PIN AUDIO(R)-OUT
No
Replace P2(DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY).
No
Replace P1(AV ASSEMBLY).
No
Check the periphery between Pin(1,7) of IC1201
and the audio terminal (JK2201), and replace P1
(AV ASSEMBLY) if defective.
1-8-9 E7M70TR