Sharp LC-20B2UA, Service Manual

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LC-20B2UA
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-20B2UA
CONTENTS
»
IMPORTANT SERVICE SAFETY
PRECAUTION ................................................... 2
»
SPECIFICATIONS ............................................. 4
»
OPERATION MANUAL ...................................... 6
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DIMENSIONS .................................................... 8
»
REMOVING OF MAJOR PARTS ....................... 9
»
ADJUSTING PROCEDURE OF
EACH SECTION .............................................. 12
»
TROUBLE SHOOTING TABLE ....................... 22
»
CHASSIS LAYOUT .......................................... 26
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BLOCK DIAGRAM ........................................... 28
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DESCRIPTION OF SCHEMATIC DIAGRAM .. 30
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SCHEMATIC DIAGRAM
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OPERATION and R/C RECEIVER UNIT .. 31
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MAIN UNIT ................................................ 32
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TERMINAL UNIT ....................................... 42
Page Page
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INVERTER-A and INVERTER-B UNIT ...... 46
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PRINTED WIRING BOARD ASSEMBLIES ..... 48
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PARTS LIST
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ELECTRICAL PARTS ................................ 54
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MAIN UNIT ................................................ 54
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TERMINAL UNIT ....................................... 59
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OPERATION UNIT .................................... 62
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R/C RECEIVER UNIT ................................ 62
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INVERTER-A UNIT .................................... 63
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INVERTER-B UNIT .................................... 63
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CABINET PARTS LOCATION ................... 64
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ACCESSORIES PARTS ............................ 64
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PACKING PARTS ...................................... 64
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CABINET AND MECHANICAL PARTS ..... 65
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PACKING OF THE SET ................................... 67
SHARP CORPORATION
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LCD COLOUR TELEVISION
S12E5LC20B2UA