
LC-32RD8E/S/RU-BK/GY (1st Edition)
4 – 5
No sound from external input devices (2)
Does not the sound of the audio signal input to EXT3 go out?
MINI AV UNIT:
Is audio signal output from pins(5/IN3L), (4/IN3R) of input
terminal J1002 to pins(8), (6) of connector SC1001?
NO
Check connection of between from J1002 to SC1001 and the exter-
nal input device.
MAIN UNIT:
YES
Is audio signal input to pins(8/IN3L), (6/IN3R) of connector
P1001?
NO
Check the connector(SC1001/ P1001).
YES
Is audio signal input to pins(1/IN3L), (6/IN3R) of IC1301
(AUDIO_SELECTOR)?
NO
Check the line between P1001 and IC1301.
YES
Is the audio signal sent to pins(15/AIN4L), (11/AIN4R) of
IC1301?
NO
Check IC1301 and its peripheral circuits.
YES
Is audio signal input from pins(15/AIN4L), (11/AIN4R) of IC1301 to pins(16, 15) of IC3001 (MAIN_MICON)?
YES
NO
Refer to “No sound output in all modes”
Check the line between IC1301 and IC3001.