LC-32D41U/LC-32M41U/LC-40C32U
6 – 4
<Composite 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 pin 5 of J501 and pin 70 of IC501.
Is video signal fed to pin 65 of IC501 (AV SWITCH)?
NO
Check between pin 4 of J501 and pin 65 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 242 of IC3301 (Trident) via L.P.F. com-
posed of Q2201 and Q2207?
NO
Check between IC501 and IC3301. (Q2201, Q2207, etc.)
YES
Are digital video (LVDS) signals sent from pins 28-31 and 34-37
of IC3301?
NO
Check IC3301 and peripheral circuits.
YES
Check LCD_CONTROL PWB.
Summary of Contents for Aquos LC32D41U
Page 13: ...LC 32D41U LC 32M41U LC 40C32U 4 3 10 Disconnect all the connectors from all the PWBs ...
Page 49: ...LC 32D41U LC 32M41U LC 40C32U 9 2 10 11 12 13 14 15 16 17 18 19 ...
Page 53: ...LC 32D41U LC 32M41U LC 40C32U 9 6 10 11 12 13 14 15 16 17 18 19 ...
Page 57: ...LC 32D41U LC 32M41U LC 40C32U 9 10 10 11 12 13 14 15 16 17 18 19 ...
Page 61: ...LC 32D41U LC 32M41U LC 40C32U 9 14 10 11 12 13 14 15 16 17 18 19 ...
Page 64: ...LC 32D41U LC 32M41U LC 40C32U 9 17 2 IF Unit A C B D E F G H 1 2 3 4 5 6 IF Unit Side A ...
Page 69: ...LC 32D41U LC 32M41U LC 40C32U 10 3 10 11 12 13 14 15 16 17 18 19 ...
Page 70: ...LC 32D41U LC 32M41U LC 40C32U 10 4 MAIN Unit 2 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 71: ...LC 32D41U LC 32M41U LC 40C32U 10 5 10 11 12 13 14 15 16 17 18 19 ...
Page 72: ...LC 32D41U LC 32M41U LC 40C32U 10 6 MAIN Unit 3 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 80: ...LC 32D41U LC 32M41U LC 40C32U 10 14 MAIN Unit 7 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 84: ...LC 32D41U LC 32M41U LC 40C32U 10 18 MAIN Unit 9 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 86: ...LC 32D41U LC 32M41U LC 40C32U 10 20 MAIN Unit 10 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 88: ...LC 32D41U LC 32M41U LC 40C32U 10 22 MAIN Unit 11 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 90: ...LC 32D41U LC 32M41U LC 40C32U 10 24 MAIN Unit 12 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 91: ...LC 32D41U LC 32M41U LC 40C32U 10 25 10 11 12 13 14 15 16 17 18 19 ...
Page 92: ...LC 32D41U LC 32M41U LC 40C32U 10 26 MAIN Unit 13 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 93: ...LC 32D41U LC 32M41U LC 40C32U 10 27 10 11 12 13 14 15 16 17 18 19 ...
Page 94: ...LC 32D41U LC 32M41U LC 40C32U 10 28 MAIN Unit 14 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 95: ...LC 32D41U LC 32M41U LC 40C32U 10 29 10 11 12 13 14 15 16 17 18 19 ...
Page 96: ...LC 32D41U LC 32M41U LC 40C32U 10 30 MAIN Unit 15 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 97: ...LC 32D41U LC 32M41U LC 40C32U 10 31 10 11 12 13 14 15 16 17 18 19 ...
Page 98: ...LC 32D41U LC 32M41U LC 40C32U 10 32 MAIN Unit 16 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 100: ...LC 32D41U LC 32M41U LC 40C32U 10 34 MAIN Unit 17 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 102: ...LC 32D41U LC 32M41U LC 40C32U 10 36 MAIN Unit 18 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
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Page 114: ...LC 32D41U LC 32M41U LC 40C32U 10 48 IF 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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Page 116: ...LC 32D41U LC 32M41U LC 40C32U 10 50 4 R C LED Unit A C B D E F G H 1 2 3 4 5 6 ...
Page 117: ...LC 32D41U LC 32M41U LC 40C32U 10 51 5 KEY Unit A C B D E F G H 1 2 3 4 5 6 ...