Toshiba D-R410KU Service Manual page 24

Are the analog audio signals outputted to each pin
of IC1201?
IC1201 7PIN AUDIO (L)-OUT
IC1201 1PIN AUDIO (R)-OUT
Are the analog audio signals outputted to each pin
of IC1022?
IC1022 14PIN AUDIO (L)-OUT
IC1022 4PIN AUDIO (R)-OUT
Check the periphery between Pin(1,7) of IC1201
and the audio terminal (JK2201), and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.21
Audio is not outputted during playback.
Set the disc on the disc tray, and playback.
Are the analog audio signals outputted to each pin
of CN1101?
CN1101 15PIN AUDIO (L)-OUT
CN1101 13PIN 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(16) 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 analog audio signals outputted to each pin
of IC1022?
IC1022 14PIN AUDIO (L)-OUT
IC1022 4PIN AUDIO (R)-OUT
Check the periphery between Pin(1,7) of IC1201
and the audio terminal (JK2201), and replace
P1(AV ASSEMBLY) if defective.
C
Yes
Yes
Yes
Yes
Yes
Yes
No
Replace P1(AV ASSEMBLY).
No
Is the "L" pulse inputted to Pin (9, 10, 11) of IC1022?
Yes
Replace P1
(AV ASSEMBLY).
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 ASSEMBLY)
No
if defective.
CN1101 15PIN → IC1201 6PIN AUDIO(L)-OUT
CN1101 13PIN → IC1201 2PIN AUDIO(R)-OUT
No
Replace P2(DVD MECHANISM & DVD MAIN BOARD
ASSEMBLY).
No
Replace P1(AV ASSEMBLY).
No
Is the "L" pulse inputted to Pin (9, 10, 11) of
IC1022?
Yes
Replace P1
(AV ASSEMBLY).
1-8-8
No
Check the line between Pin (9,
10, 11) of IC1022 and Pin (37)
of IC1501, and replace
P1(AV ASSEMBLY) if defective.
No
Check the line between Pin (9,10,
11) of IC1022 and Pin (37) of
IC1501, and replace
P1(AV ASSEMBLY) if defective.
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