LC-32D42U/LC-37D42U
6 – 3
<Component video signal input> No video output (1)
No video output from external input <<INPUT-1>>
Select INPUT-1 and the input signal on the input switching menu
screen.
Is INPUT-1 selected on the input switching menu screen?
NO
When INPUT-1 cannot be selected since the characters INPUT-1
on the menu screen are gray.
YES
Is the video signal detection function normal?
Check between J507 and pin 38 of IC501.
Is video signal fed to pin 21 of IC501 (AV SWITCH)?
NO
Check between J507 and pin 21 of IC501.
YES
Is video signal sent to pin 60 of IC501?
NO
Check IC501 (AV SWITCH) and peripheral circuits.
YES
Is video signal sent to pin 2 of IF_UNIT connector (FC_SC501)?
NO
Check between IC501 and SC501. (Q501, Q502, etc.)
YES
Is video signal fed to pin 2 of MAIN_UNIT connector
(FC_SC1101)?
NO
Check the board-to-board cable “FC”.
YES
Is video signal fed to pin K25 of IC8101 (Broadcom) via L.P.F.
composed of Q2202 and Q2210?
NO
Check between IC501 and IC3301. (Q2202, Q2210, etc.)
YES
Are digital video (LVDS) signals sent from pins 37-42 and 45-48
of IC2602?
NO
Check IC2602 and peripheral circuits.
Are digital video (COMOS) signal sent from IC8101 (DVODATA 0
~ 23, DVOCLKO, DVODE, DVOHSYNC, DVOVSYNC)?
NO
Check IC8101 and peripheral circuits.
YES
Check LCD_CONTROL PWB.
Содержание LC-32D42U
Страница 51: ...LC 32D42U LC 37D42U 9 2 10 11 12 13 14 15 16 17 18 19 ...
Страница 54: ...LC 32D42U LC 37D42U 9 5 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 MAIN Unit Side B ...
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Страница 58: ...LC 32D42U LC 37D42U 9 9 2 AV TERMINAL Unit A C B D E F G H 1 2 3 4 5 6 AV TERMINAL Unit Side A ...
Страница 63: ...LC 32D42U LC 37D42U 10 2 2 R C LED Unit A C B D E F G H 1 2 3 4 5 6 ...
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Страница 86: ...LC 32D42U LC 37D42U 10 25 MAIN Unit 12 20 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Страница 98: ...LC 32D42U LC 37D42U 10 37 MAIN Unit 18 20 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Страница 102: ...LC 32D42U LC 37D42U 10 41 MAIN Unit 20 20 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 pwfs wpmubhf epufdujpo Mbudi djsdvju ...
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Страница 104: ...LC 32D42U LC 37D42U 10 43 4 AV TERMINAL Unit AV TERMINAL Unit 1 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Страница 106: ...LC 32D42U LC 37D42U 10 45 AV TERMINAL Unit 2 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Страница 108: ...LC 32D42U LC 37D42U 10 47 5 KEY Unit A C B D E F G H 1 2 3 4 5 6 ...
Страница 135: ...LC 32D42U LC 37D42U 27 11 PACKING PARTS NOT REPLACEMENT ITEM S3 S2 S4 S7 S12 S1 S7 S7 S8 S9 S7 S5 S6 S10 S11 ...