Sharp LC-26S7E-BK

LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
40
No sound from external input devices (3)
↓
Does not the sound of the audio signal input to PC(VGA) go out?
MAIN UNIT: ↓
↓YES
↓YES
No sound from external input devices (4)
↓
Does not the sound of the audio signal input to “AV side” go out?
MAIN UNIT: ↓
↓YES
↓YES
No sound from external input devices (5)
↓
Does not the sound of the audio signal input to HDMI 1/”HDMI side” go out?
↓
↓YES
Is the audio signal properly sent to pin (2) (PC_AU_INL) and pin (3)
(PC_AU_INR) of CN1703?
NO
Check the connection to CN1703 and the external input device.
Refer to “No sound output in all modes”.
Is the audio signal properly sent to pin (75) (AUL2) and pin (76)
(AUR2) of IC U4201?
NO
Check the line between CN1703 and IC U4201.
Is the audio signal properly sent to pin (4) (SIDE_AU_INL) and pin
(6) (SIDE_AU_INR) of CN1206?
NO
Check the connection to CN1206 and the external input device.
Refer to “No sound output in all modes”.
Is the audio signal properly sent to pin (77) (AUL3) and pin (78)
(AUR3) of IC U4201?
NO
Check the line between CN1206 and IC U4201.
Refer to “No sound output in all modes”.
Is picture of the signal input from HDMI 1/HDMI side displayed?
NO
Refer to “Does not the picture of the HDMI signal input to
HDMI 1/HDMI side go out?”.