8-6
A0C76TR
Yes (Output to speakers)
Yes (Output to headphone)
No
Are the audio(L/R) signals inputted to the Pin(19, 32)
of IC801?
No
Yes
Are the audio(L/R) signals outputted to Pin(8,10) of
CN905?
Yes
Check the line between Pin(8,10) of CN905 and
Pin(19, 32) of IC801, and service it if defective.
Are the audio(L/R) signals outputted to CN503 and
CN801?
No
Yes
Check CL503, CL801 and their periphery circuit, and
service it if defective.
Check IC801 and the periphery circuit, and service it
if defective.
Are the audio(L/R) signals outputted to Pin(3, 4) of
CN907?
Check JK206 and their periphery circuit, and service it
if defective.
No
Yes
Replace Digital Main CBA Unit.
Replace Digital Main CBA Unit.
Audio is not outputted normally. (Audio input terminals)
FLOW CHART NO.19
Are the audio(L/R) signals outputted to the specific
terminal?
Check the audio(L/R) signal line, and service it if
defective.
Check the component audio(L/R) signal line, and
service it if defective.
Check the PC audio(L/R) signal line, and service it if
defective.
Check the line between each pin of CN907 and input
terminal and service it if defective.
No
No
No
Are the audio(L/R) signals outputted to Pin(9, 10) of
CN907?
Are the component audio(L/R) signals outputted to
Pin(18,19) of CN907?
Are the PC audio(L/R) signals outputted to Pin(24,25)
of CN907?
