Sharp LC-26SH7E/RU Service Manual page 48

LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
Does not the sound of the audio signal input to AV3(Composite) go out?
MAIN UNIT:
Is the audio signal properly sent to pin (4) (AV3_AudioLIN) and pin
(6) (AV3_AudioRIN) of CN650?
Is the audio signal properly sent to pin (52) (SIDE_LIN) and pin (51)
(SIDE_RIN) of IC U605?
Refer to "No sound output in all modes".
Does not the sound of the audio signal input to VGA go out?
MAIN UNIT:
Is the audio signal properly sent to pin (2) (VGA_AudioLIN) and pin
(3) (VGA_AudioRIN) of CN555?
Is the audio signal properly sent to pin (48) (VGA_LIN) and pin (47)
(VGA_RIN) of IC U605?
Refer to "No sound output in all modes".
Does not the sound of the audio signal input to HDMI go out?
Is picture of the signal input from HDMI displayed?
Refer to "No sound output in all modes".
No sound from external input devices (3)
↓
↓
↓YES
↓YES
No sound from external input devices (4)
↓
↓
↓YES
↓YES
No sound from external input devices (5)
↓
↓
↓YES
NO
Check the connection to CN650 and the external input device.
NO
Check the line between CN650 and IC U605.
NO
Check the connection to CN555 and the external input device.
NO Check the line between CN555 and IC U605.
NO
Refer to "Does not the picture of the HDMI signal input to HDMI
go out?".
48