Sharp LC-15AV7U

7-9
A7121TS
Are the audio (L/R) signals inputted to the
Pins(2,4,11,15) of IC852?
No
Ye s
Check the line between Pins(2,4,11,15) of IC852 and
each Audio input terminals (JK704, JK705, JK709,
JK710), and service it if defective.
Are the audio (L/R) signals outputted to the Pins(3,13)
of IC852?
No
Ye s
Check IC852 and the periphery circuit,
and service it if defective.
Are the audio (L/R) signals outputted to the
Pins(11,14) of IC801?
No
Ye s
Check SP801, SP802, JK801 and their periphery
circuit, and service it if defective.
Check IC801 and the periphery circuit,
and service it if defective.
Audio is not outputted normally. (Audio input terminals)
FLOW CHART NO.26