8-7
PL10.5TR
Yes
(Output to speakers)
Yes
(Output to audio
output terminal)
FLOW CHART NO.2
Audio is not outputted. (Tuner input)
No
No
No
No
No
Are the DIF signal inputted to Pin(3, 4) of CN2102?
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Check SP2801,SP2802 and their periphery circuit,
and service it if defective.
Are the audio(L/R) signals inputted to Pin(19, 32)
of IC2801?
Are the audio(L/R) signals outputted to CN2801 and
CN2802?
Check IC2801 and their periphery circuit, and
service it if defective.
Check the line between Pin(26, 28) of CN2103 and
Pin(19, 32) of IC2801, and service it if defective.
Replace Digital Main CBA Unit.
Are the audio(L/R) signals outputted to Pin(26, 28) of
CN2103?
Replace Digital Main CBA Unit.
Are the audio(L/R) signals outputted to Pin(4, 6) of
CN2103?
Are the audio(L/R) signals inputted to Pin(3, 5)
of IC2802?
Check the line between Pin(4, 6) of CN2103 and
Pin(3, 5) of IC2802, and service it if defective.
Are the audio(L/R) signals outputted to Pin(1, 7)
of IC2802?
Check the line between Pin(1, 7) of IC2802 and audio
output terminal(JK2801, JK2802) and service it if defective.
Replace IC2802
Check the line between Pin(3, 4) of CN2102 and TU2301,
and service it if defective.