2008-03-14
LC-32A28L, LC-42A48L
39
No sound from external input devices (4)
↓
Does not the sound of the audio signal input to HDMI1/2 go out?
↓
↓
YES
The audio signal is not output (1)
↓
No audio signal output from LINE_AUDIO_OUTPUT terminal.
TEREMINAL UNIT:
↓
↓
NO
↓
NO
No picture on the display (1)
↓
The picture doesn't appear in all modes.
MAIN UNIT:
↓
↓
NO
YES
↓
YES
PANEL_UNIT:
↓
YES
↓
YES
Refer to
“
No sound output in all modes
”
.
Is picture of the signal input from HDMI1/2 displayed?
NO
Refer to
“
Does not the picture of the HDMI signal input to
HDMI1/2 go out?
”
.
Is the audio signal output from IC U401 pin(110) (AL1) and pin(106)
(AR1) sent to pin(13)(-INL) and pin(2)(-INR) of IC U601?
Is audio signal output from IC U601 sent to pin(12)(LO_L) and pin
(3)(LO_R) of LINE_AUDIO_OUT connector(CN601)?
YES
Check the connection to LINE_AUDIO_OUT and external
devices.
YES
Check the line between IC U401 and IC U601.
Check IC U401 and its peripheral circuits.
Is LCD controller's control signal normal?
Is the above-mentioned LVDS signals output to connector CN110?
NO
Check the line between IC U401 and CN110.
NO
Control signals BRIGHT_ADJ, INVERTER_ON_OFF,
PANEL_VCC_ON/OFF, and it peels off and whether normality is
checked.
Check the panel module.
Similarly, is the LVDS signal input to connector of the panel
module?
NO
Wire harness is checked.
Is LVDS signal output from 1st_channel and 2nd_channel of IC U401 in each mode?
(A0N/A0P),(A1N/A1P),(A2N/A2P),(A3N/A3P),(CLK1N/CLK1P)
Check IC U401 and its peripheral control circuits.
Содержание LC-32A28L
Страница 6: ...LC 32A28L LC 42A48L 6 TV Front view TV Rear view ...
Страница 12: ...LC 32A28L LC 42A48L 12 3 DIMENSIONS Dimension for 32 ...
Страница 13: ...2008 03 14 LC 32A28L LC 42A48L 13 Dimension for 42 ...
Страница 62: ...LC 32A28L LC 42A48L 62 MAIN UNIT Side B ...
Страница 63: ...2008 03 14 LC 32A28L LC 42A48L 63 2 POWER UNIT PRINTED WIRING BOARD 32 POWER UNIT Side A ...
Страница 64: ...LC 32A28L LC 42A48L 64 32 POWER UNIT Side B ...
Страница 65: ...2008 03 14 LC 32A28L LC 42A48L 65 42 POWER UNIT Side A ...
Страница 66: ...LC 32A28L LC 42A48L 66 42 POWER UNIT Side B ...
Страница 67: ...2008 03 14 LC 32A28L LC 42A48L 67 3 KEY UNIT PRINTED WIRING BOARD KEY UNIT Side A KEY UNIT Side B ...
Страница 68: ...LC 32A28L LC 42A48L 68 4 IR UNIT PRINTED WIRING BOARD IR UNIT Side A IR UNIT Side B ...
Страница 109: ...2008 03 14 LC 32A28L LC 42A48L 109 2 CABINET PARTS LC 32A28L ...
Страница 111: ...2008 03 14 LC 32A28L LC 42A48L 111 CABINET PARTS LC 42A48L ...
Страница 113: ...2008 03 14 LC 32A28L LC 42A48L 113 3 SUPPLIED ACCESSOORIES ...
Страница 114: ...LC 32A28L LC 42A48L 114 4 32 PACKING PARTS ...
Страница 116: ...LC 32A28L LC 42A48L 116 42 PACKING PARTS ...