LC-20B1U
SERVICE MANUAL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
MODEL
LC-20B1U
CONTENTS
»
IMPORTANT SERVICE SAFETY
PRECAUTION .................................................... 2
»
SPECIFICATIONS ............................................. 5
»
OPERATION MANUAL ...................................... 6
»
DIMENSIONS .................................................... 8
»
REMOVING OF MAJOR PARTS ....................... 9
»
ADJUSTING PROCEDURE OF
EACH SECTION .............................................. 13
»
TROUBLE SHOOTING TABLE ....................... 24
»
CHASSIS LAYOUT .......................................... 30
»
BLOCK DIAGRAM ........................................... 32
»
DESCRIPTION OF SCHEMATIC DIAGRAM .. 34
»
SCHEMATIC DIAGRAM
Ë
CONTROL and RC/LED UNIT .................. 35
Ë
DIGITAL UNIT ............................................ 36
Ë
ANALOG UNIT .......................................... 46
Page
Page
Ë
INVERTER-A UNIT .................................... 50
Ë
INVERTER-B UNIT .................................... 51
»
PRINTED WIRING BOARD ASSEMBLIES ..... 52
»
PARTS LIST
Ë
ELECTRICAL PARTS ................................ 56
Ë
DIGITAL UNIT ............................................ 56
Ë
ANALOG UNIT .......................................... 61
Ë
CONTROL UNIT ........................................ 64
Ë
RC/LED UNIT ............................................ 64
Ë
INVERTER-A UNIT .................................... 65
Ë
INVERTER-B UNIT .................................... 65
Ë
CABINET AND MECHANICAL PARTS ..... 66
Ë
ACCESSORIES PARTS ............................ 68
Ë
PACKING PARTS ...................................... 68
»
PACKING OF THE SET ................................... 69
SHARP CORPORATION
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LCD COLOR TELEVISION
POWER
SLEEP
S52i8LC-20B1U
Summary of Contents for Aquos LC 20B1U
Page 31: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 31 INVERTER A UNIT INVERTER B UNIT ...
Page 35: ...LC 20B1U 35 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM ËCONTROL and RC LED Unit ...
Page 36: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 36 Ë DIGITAL Unit 1 5 ...
Page 37: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 37 ...
Page 38: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 38 Ë DIGITAL Unit 2 5 ...
Page 39: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 39 ...
Page 40: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 40 Ë DIGITAL Unit 3 5 ...
Page 41: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 41 ...
Page 42: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 42 Ë DIGITAL Unit 4 5 ...
Page 43: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 43 ...
Page 44: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 44 Ë DIGITAL Unit 5 5 ...
Page 45: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 45 ...
Page 46: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 46 Ë ANALOG Unit 1 2 ...
Page 47: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 47 ...
Page 48: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 48 Ë ANALOG Unit 2 2 ...
Page 49: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 49 ...
Page 50: ...LC 20B1U 50 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...
Page 51: ...LC 20B1U 51 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...
Page 53: ...LC 20B1U 53 6 5 4 3 2 1 A B C D E F G H CONTROL Unit Side B DIGITAL Unit Side B ...
Page 55: ...LC 20B1U 55 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Side A ...