LC-32HT2U
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 LC-32HT2U
Page 47: ...LC 32HT2U 7 2 MEMO ...
Page 53: ...LC 32HT2U 9 2 10 11 12 13 14 15 16 17 18 19 ...
Page 56: ...LC 32HT2U 9 5 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 MAIN Unit Side B ...
Page 57: ...LC 32HT2U 9 6 10 11 12 13 14 15 16 17 18 19 ...
Page 60: ...LC 32HT2U 9 9 2 IF Unit A C B D E F G H 1 2 3 4 5 6 IF Unit Side A ...
Page 64: ...LC 32HT2U 9 13 5 KEY Unit A C B D E F G H 1 2 3 4 5 6 KEY Unit Side A ...
Page 66: ...LC 32HT2U 10 2 2 MAIN Unit MAIN Unit 1 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 67: ...LC 32HT2U 10 3 10 11 12 13 14 15 16 17 18 19 ...
Page 68: ...LC 32HT2U 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 69: ...LC 32HT2U 10 5 10 11 12 13 14 15 16 17 18 19 ...
Page 70: ...LC 32HT2U 10 6 MAIN Unit 3 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 71: ...LC 32HT2U 10 7 10 11 12 13 14 15 16 17 18 19 ...
Page 72: ...LC 32HT2U 10 8 MAIN Unit 4 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 73: ...LC 32HT2U 10 9 10 11 12 13 14 15 16 17 18 19 ...
Page 74: ...LC 32HT2U 10 10 MAIN Unit 5 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 75: ...LC 32HT2U 10 11 10 11 12 13 14 15 16 17 18 19 ...
Page 76: ...LC 32HT2U 10 12 MAIN Unit 6 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 77: ...LC 32HT2U 10 13 10 11 12 13 14 15 16 17 18 19 ...
Page 78: ...LC 32HT2U 10 14 MAIN Unit 7 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 79: ...LC 32HT2U 10 15 10 11 12 13 14 15 16 17 18 19 ...
Page 80: ...LC 32HT2U 10 16 MAIN Unit 8 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 81: ...LC 32HT2U 10 17 10 11 12 13 14 15 16 17 18 19 ...
Page 82: ...LC 32HT2U 10 18 MAIN Unit 9 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 83: ...LC 32HT2U 10 19 10 11 12 13 14 15 16 17 18 19 ...
Page 84: ...LC 32HT2U 10 20 MAIN Unit 10 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 85: ...LC 32HT2U 10 21 10 11 12 13 14 15 16 17 18 19 ...
Page 86: ...LC 32HT2U 10 22 MAIN Unit 11 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 87: ...LC 32HT2U 10 23 10 11 12 13 14 15 16 17 18 19 ...
Page 88: ...LC 32HT2U 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 89: ...LC 32HT2U 10 25 10 11 12 13 14 15 16 17 18 19 ...
Page 90: ...LC 32HT2U 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 91: ...LC 32HT2U 10 27 10 11 12 13 14 15 16 17 18 19 ...
Page 92: ...LC 32HT2U 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 93: ...LC 32HT2U 10 29 10 11 12 13 14 15 16 17 18 19 ...
Page 94: ...LC 32HT2U 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 95: ...LC 32HT2U 10 31 10 11 12 13 14 15 16 17 18 19 ...
Page 96: ...LC 32HT2U 10 32 MAIN Unit 16 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 97: ...LC 32HT2U 10 33 10 11 12 13 14 15 16 17 18 19 ...
Page 98: ...LC 32HT2U 10 34 MAIN Unit 17 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 99: ...LC 32HT2U 10 35 10 11 12 13 14 15 16 17 18 19 ...
Page 100: ...LC 32HT2U 10 36 MAIN Unit 18 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 101: ...LC 32HT2U 10 37 10 11 12 13 14 15 16 17 18 19 ...
Page 102: ...LC 32HT2U 10 38 MAIN Unit 19 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 103: ...LC 32HT2U 10 39 10 11 12 13 14 15 16 17 18 19 ...
Page 104: ...LC 32HT2U 10 40 MAIN Unit 20 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 105: ...LC 32HT2U 10 41 10 11 12 13 14 15 16 17 18 19 ...
Page 106: ...LC 32HT2U 10 42 MAIN Unit 21 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 107: ...LC 32HT2U 10 43 10 11 12 13 14 15 16 17 18 19 ...
Page 108: ...LC 32HT2U 10 44 MAIN Unit 22 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 109: ...LC 32HT2U 10 45 10 11 12 13 14 15 16 17 18 19 ...
Page 110: ...LC 32HT2U 10 46 3 IF Unit IF Unit 1 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 111: ...LC 32HT2U 10 47 10 11 12 13 14 15 16 17 18 19 ...
Page 112: ...LC 32HT2U 10 48 IF Unit 2 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 113: ...LC 32HT2U 10 49 10 11 12 13 14 15 16 17 18 19 ...
Page 114: ...LC 32HT2U 10 50 4 PPV Unit A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Page 115: ...LC 32HT2U 10 51 10 11 12 13 14 15 16 17 18 19 ...
Page 116: ...LC 32HT2U 10 52 5 R C LED Unit A C B D E F G H 1 2 3 4 5 6 ...
Page 117: ...LC 32HT2U 10 53 6 KEY Unit A C B D E F G H 1 2 3 4 5 6 ...
Page 118: ...LC 32HT2U 10 54 MEMO ...
Page 146: ...LC 32HT2U 28 10 PACKING PARTS NOT REPLACEMENT ITEM S4 S2 S3 S6 S10 S1 S6 S6 S8 S6 S5 S7 S9 ...