Sharp LC-26SH7E/RU

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