Sharp LC 20M4U, Service Manual

Page: 1 / 52

1
LC-20M4U
SHARP CORPORATION
SY1E1LC-20M4U
LCD AV MONITOR
SERVICE MANUAL
MODEL
LC-20M4U
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
Page
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
»
SPECIFICATIONS ................................................................................................................................ 4
»
OPERATION MANUAL ......................................................................................................................... 5
»
DIMENSIONS ....................................................................................................................................... 6
»
REMOVING OF MAJOR PARTS .......................................................................................................... 7
»
ADJUSTING PROCEDURE OF EACH SECTION ............................................................................. 10
»
TROUBLE SHOOTING TABLE ........................................................................................................... 13
»
CHASSIS LAYOUT ............................................................................................................................. 18
»
BLOCK DIAGRAMS ........................................................................................................................... 20
»
DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 22
»
SCHEMATIC DIAGRAMS ................................................................................................................... 23
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 45
»
PARTS LIST
Ë
ELECTRICAL PARTS ..................................................................................................................... 50
MAIN UNIT ..................................................................................................................................... 50
JACK UNIT ..................................................................................................................................... 56
INVERTER UNIT ............................................................................................................................ 57
SWITCH UNIT ................................................................................................................................ 57
Ë
CABINET PARTS LIST ................................................................................................................... 59
Ë
SUPPLIED ACCESSORIES PARTS .............................................................................................. 59
Ë
PACKING PARTS ........................................................................................................................... 59
Ë
CABINET AND MECHANICAL PARTS .......................................................................................... 60
»
PACKING OF THE SET ...................................................................................................................... 62
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.