Sharp Aquos LC-26A37M, Service Manual

Page: 25 / 92

LC-26/32A37M
6 – 2
J504
Is the audio signal properly sent to pin (5) (AIN3L) and
NO
Check the setting of an external input device
(3) (AIN3_R) of (CVBS_IN) J504?
that connects of J504
YES
J507
Is the audio signal properly sent to pin (5) (AIN1_L) and
NO
Check the setting of an external input device
(3) (AIN1_R) of (COMP1_AUDIO_IN) J507?
that connects of J507
YES
J501
Is the audio signal properly sent to pin (5) (AIN2_L) and
NO
Check the setting of an external input device
(3) (AIN2_R) of (COMP2_AUDIO_IN) J501?
that connects of J501
YES
J504
Is the audio signal properly sent to pin (14) (AIN3_L) and
NO
Check the line between J504 and IC3001
(15) (AIN3_R) of IC3001 (MAIN_MICON)?
(MAIN_MICON)
YES
J507
Is the audio signal properly sent to pin (10) (AIN1_L) and
NO
Check the line between J501 and IC3001
(9) (AIN1_R) of IC3001(MAIN_MICON)?
(MAIN_MICON)
YES
J501
Is the audio signal properly sent to pin (12) (AIN2_L) and
NO
Check the line between J501 and IC3001
(11) (AIN2_R) of IC3001(MAIN_MICON)?
(MAIN_MICON)
YES
Refer to "No Sound output in all modes"
No sound from external input devices (2)
Does not the sound of the audio signal input to INPUT5 (J504) go out?
Does not the sound of the audio signal input to INPUT3 (J507) go out?
Does not the sound of the audio signal input to INPUT4 (J501) go out?