Sharp LC-26SB25E - Page 41

2008-03-14
LC-26SB25E/S/RU, LC-32SB25E/S/RU, LC-42SB55E/S/RU
41
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 HDMI1/2/3 go out?
↓
↓YES
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 (K25) (VGA_LIN) and pin
(K26) (VGA_RIN) of IC U400?
NO
Check the line between CN555 and IC U400.
Refer to “No sound output in all modes”.
Is picture of the signal input from HDMI1/2/3 displayed?
NO
Refer to “Does not the picture of the HDMI signal input to
HDMI1/2/3 go out?”.