LC-20S4U-S
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-20S4U-S
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
CONTENTS
»
IMPORTANT SERVICE SAFETY PRECAUTION ......................................................................................... 2
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SPECIFICATIONS ........................................................................................................................................5
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OPERATION MANUAL .................................................................................................................................6
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DIMENSIONS ...............................................................................................................................................8
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REMOVING OF MAJOR PARTS .................................................................................................................. 9
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ADJUSTING PROCEDURE OF EACH SECTION ..................................................................................... 13
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PUBLIC MODE SETTING PROCEDURE .................................................................................................. 23
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TROUBLE SHOOTING TABLE .................................................................................................................. 28
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MAJOR IC INFORMATIONS ...................................................................................................................... 32
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BLOCK DIAGRAM ...................................................................................................................................... 34
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OVERALL WIRING DIAGRAM ................................................................................................................... 36
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DESCRIPTION OF SCHEMATIC DIAGRAM ............................................................................................. 38
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SCHEMATIC DIAGRAM ............................................................................................................................. 39
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PRINTED WIRING BOARD ASSEMBLIES ................................................................................................59
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REPLACEMENT PARTS LIST .................................................................................................................... 72
»
PACKING OF THE SET .............................................................................................................................. 83
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S25F1LC20S4US
Summary of Contents for LC-20S4U-S - 20" LCD TV
Page 39: ...39 6 5 4 3 2 1 A B C D E F G H LC 20S4U S SCHEMATIC DIAGRAM Ë OPERATION Unit ...
Page 40: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 40 ËMAIN Unit 1 5 ...
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Page 48: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 48 ËMAIN Unit 5 5 ...
Page 49: ...LC 20S4U S 49 17 16 19 18 15 14 13 12 11 10 ...
Page 50: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 ËANALOG Unit 1 4 ...
Page 51: ...LC 20S4U S 51 17 16 19 18 15 14 13 12 11 10 ...
Page 52: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 ËANALOG Unit 2 4 ...
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Page 54: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 ËANALOG Unit 3 4 ...
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Page 56: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 ËANALOG Unit 4 4 ...
Page 57: ...LC 20S4U S 57 17 16 19 18 15 14 13 12 11 10 ...
Page 58: ...58 6 5 4 3 2 1 A B C D E F G H LC 20S4U S ËR C LED Unit ...
Page 60: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 60 MAIN Unit Side A ...
Page 61: ...LC 20S4U S 61 17 16 19 18 15 14 13 12 11 10 ...
Page 64: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 64 MAIN Unit Side B ...
Page 65: ...LC 20S4U S 65 17 16 19 18 15 14 13 12 11 10 ...
Page 68: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 ANALOG Unit Side A ...
Page 69: ...LC 20S4U S 69 17 16 19 18 15 14 13 12 11 10 ...
Page 83: ...83 LC 20S4U S PACKING OF THE SET S1 S7 S5 S5 S5 S4 S5 S2 S3 X1 X2 X3 X4 X5 X6 X7 S6 ...