Read Sharp LC-40LU700E (serv.man9) Service Manual online
LC-32/40/46LE700E/RU/S,LU700E/S,LX700E/RU,LC-52LE700E/RU/S
6 – 8
No sound from external input devices (4)
Does not the sound of the audio signal input to EXT8 go out?
Is there a audio input signal in pins(5/CVBS_IN_L) and (4/
CVBS_IN_R) of EXT8(J506)?
CVBS_IN_R) of EXT8(J506)?
NO
Check the setting of an external input device that connects with
EXT8.
EXT8.
YES
Is there a audio input signal in pins (R28/CVBS_L) and (T28/
CVBS_R) of IC3302 (Digital AV decode & Main CPU) from J505?
CVBS_R) of IC3302 (Digital AV decode & Main CPU) from J505?
NO
Check IC3302 and its peripheral circuits.
YES
Refer to “No sound output in all modes”.
No sound from external input devices (5)
Does not the sound of the audio signal input to EXT4/5/6 (HDMI) go out?
Does not the picture/sound of the HDMI signal input to HDMI-1/2/3 go out?
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