FUNAI WD6D-M100 Service Manual page 34

Are the analog audio signals outputted to each pin of
IC1509?
IC1509 73, 74PIN AUDIO-OUT 1 (AV1)
IC1509 71, 72PIN AUDIO-OUT 2 (AV2)
IC1509 67, 68PIN AUDIO-OUT (REAR)
Are the audio signals outputted to the specific output
terminal?
Are the audio signals outputted to the audio terminal
(JK1504)?
Are the audio signals outputted to the audio terminal
(JK2001)?
Are the audio signals outputted to the audio terminal
(JK1502)?
FLOW CHART NO.7
Audio is not outputted during playback.
Set the disc on the disc tray, and playback it.
Are the analog audio signals outputted to each pin of
CN1502?
CN1502 17PIN AUDIO (L)-OUT
CN1502 15PIN AUDIO (R)-OUT
Are the analog audio signals inputted to each pin of
IC1509?
IC1509 77PIN AUDIO (L)-OUT
IC1509 76PIN AUDIO (R)-OUT
Are the analog audio signals outputted to each pin of
IC1509?
IC1509 73,74PIN AUDIO-OUT 1 (AV1)
IC1509 71,72PIN AUDIO-OUT 2 (AV2)
IC1509 67,68PIN AUDIO-OUT (REAR)
Are the audio signals outputted to the specific output
terminal?
Are the audio signals outputted to the audio terminal
(JK1504)?
Are the audio signals outputted to the audio terminal
(JK2001)?
Are the audio signals outputted to the audio terminal
(JK1502)?
C
Yes
Yes
Yes
Yes
No
Is 5V voltage supplied to Pin(27, 29, 47 ,63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
Yes
Replace IC1509.
Check the periphery between Pin(73, 74) of IC1509
No
and the audio terminal (JK1504), and service it if
defective.
Check the periphery between Pin(71, 72) of IC1509 and
No
the audio terminal (JK2001), and service it if defective.
No
Check the periphery between Pin(67, 68) of IC1509
and the audio terminal (JK1502), and service it if
defective.
No
Replace DVD MECHANISM & DVD MAIN CBA
ASSEMBLY.
Check each line between each pin of CN1502 and each
pin of IC1509, and service it if defective.
No
CN1502 17PIN
CN1502 15PIN
No
Is 5V voltage supplied to Pin(27, 29, 47 ,63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
Yes
Replace IC1509.
Check the periphery between Pin(73, 74) of IC1509
No
and the audio terminal (JK1504), and service it if
defective.
Check the periphery between Pin(71, 72) of IC1509 and
No
the audio terminal (JK2001), and service it if defective.
No
Check the periphery between Pin(67, 68) of IC1509
and the audio terminal (JK1502), and service it if
defective.
1-11-10
No
Check the ECO+5V, ECO+9V
line and service it if defective.
→
IC1509 77PIN AUDIO(L)-OUT
→
IC1509 76PIN AUDIO(R)-OUT
No
Check the ECO+5V, ECO+9V
line and service it if defective.
E9TFCTR