LC-90Y8T
6 – 7
No sound from external input devices (1)
Does not the sound of the audio signal input to EXT 2 go out?
Do audio signals input to pins[7/CVBS1̲IN̲R, 8/CVBS1̲IN̲L] of EXT2(J510)?
Is CVBS̲PLUG [9/CVBS1̲PLUG] of J510 at "L"
NO
Check the setting of an external input device that con-
nects with EXT2.
YES
Do audio signals input to pins [AU36/CVBS1̲AINR2, AP34/CVBS1̲AINL2] of
IC3301 (Digital AV decode & Main CPU) ?
NO
Check IC3301 and its peripheral circuits.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
No sound from external input devices (2)
Does not the sound of the audio signal input to EXT3 go out?
Do audio signals input to pi ns[12/COMP1̲IN̲R
, 13/COMP1̲IN̲L] ofEXT3(J510)? NO
Check the setting of an external input device that con-
nects with EXT3.
YES
Do audio signals input to pins[AT35/COMP1̲AINR1, AT37/COMP1̲AINL1] of
IC3301 (Digital AV decode & Main CPU) ?
NO
Check IC3301 and its peripheral circuits.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
Summary of Contents for LC-90Y8T
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