
LC-20B4M
SERVICE MANUAL
MODEL
LC-20B4M
SHARP CORPORATION
LCD COLOUR TELEVISION
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
CONTENTS
»
IMPORTANT SERVICE SAFETY PRECAUTION ........................................................................................ 2
»
SPECIFICATIONS ........................................................................................................................................4
»
OPERATION MANUAL .................................................................................................................................5
»
DIMENSIONS ...............................................................................................................................................7
»
REMOVING OF MAJOR PARTS .................................................................................................................. 8
»
ADJUSTING PROCEDURE OF EACH SECTION ..................................................................................... 12
»
TROUBLE SHOOTING TABLE ................................................................................................................... 18
»
CHASSIS LAYOUT ..................................................................................................................................... 22
»
BLOCK DIAGRAM ...................................................................................................................................... 24
»
OVERALL WIRING DIAGRAM ................................................................................................................... 26
»
DESCRIPTION OF SCHEMATIC DIAGRAM ............................................................................................. 28
»
SCHEMATIC DIAGRAM ............................................................................................................................. 29
»
PRINTED WIRING BOARD ASSEMBLIES ................................................................................................56
»
REPLACEMENT PARTS LIST .................................................................................................................... 68
»
PACKING OF THE SET .............................................................................................................................. 81
Page
S43A4LC-20B4M
Содержание Aquos LC-20B4M
Страница 23: ...23 LC 20B4M 17 16 19 18 15 14 13 12 11 10 INVERTER A Unit INVERTER B Unit ...
Страница 26: ...26 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Страница 27: ...27 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 29: ...29 LC 20B4M 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë R C LED and OPERATION Unit ...
Страница 30: ...30 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...
Страница 31: ...31 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 32: ...32 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...
Страница 33: ...33 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 34: ...34 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...
Страница 35: ...35 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 36: ...36 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...
Страница 37: ...37 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 38: ...38 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...
Страница 39: ...39 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 40: ...40 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...
Страница 41: ...41 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 42: ...42 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...
Страница 43: ...43 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 44: ...44 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M ...
Страница 45: ...45 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 46: ...46 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M X ...
Страница 47: ...47 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 48: ...48 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 2 4 ...
Страница 49: ...49 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 50: ...50 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 ...
Страница 51: ...51 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 52: ...52 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 4 4 ...
Страница 53: ...53 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Страница 54: ...54 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...
Страница 55: ...55 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...
Страница 56: ...56 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A PRINTED WIRING BOARD ASSEMBLIES ...
Страница 58: ...58 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Страница 61: ...61 LC 20B4M 6 5 4 3 2 1 A B C D E F G H TUNER Unit Side A ...
Страница 64: ...64 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER A Unit Side A ...
Страница 66: ...66 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER B Unit Side A ...