VISIO E70-C3 Service Manual page 27

Does not the sound of the audio signal from (Component Input) go out?
v
MAIN UNIT:
Is the audio signal properly sent to pin (8) and pin
(10) of CN6101?
YES
Is the audio signal properly sent to pin (T27)
(AL1) and pin (R31) (AR1) of IC U502?
YES
Refer to "No sound output in all modes".
No sound from external input devices (1)
NO
NO
26
Check the connection to CN6101 and the external
input device.
Check the circuits between CN6101 and IC U502.