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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
SERVICE MANUAL
No.
LED COLOUR TELEVISION
LC-19LE320
LC-22LE320
LC-26LE320
LC-32LE320
LC-37LE320
MODELS LC-42LE320
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
CONTENTS
SAFETY PRECAUTION [2] POWER MANAGEMENT BLOCK DIAGRAM.........151
IMPORTANT SERVICE SAFETY PRE- [3] WIRING DIAGRAM ................................................153
CAUTION .....................................................................2
Precautions for using lead-free solder ........................3 CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD .................158
CHAPTER 1. OPERATION MANUAL [2] POWER UNIT PRINTED WIRING BOARD.............162
[1] SPECIFICATIONS ..................................................4 [3] KEY UNIT PRINTED WIRING BOARD ...................170
[2] OPERATION MANUAL ...........................................6 [4] IR UNIT PRINTED WIRING BOARD ......................171
[3] DIMENSIONS ........................................................11 [5] MEMC UNIT PRINTED WIRING BOARD................172
[6] RS232 UNIT PRINTED WIRING BOARD................174
CHAPTER 2. REMOVING OF MAJOR PARTS [7] Convert UNIT PRINTED WIRING BOARD..............175
[1] REMOVING OF MAJOR PARTS ..........................12
CHAPTER 8. SCHEMATIC DIAGRAM
CHAPTER 3. ADJUSTMENT PROCEDURE [1] MAIN SCHEMATIC DIAGRAM ..............................177
[1] ADJUSTMENT PROCEDURE...............................37 [2] POWER SCHEMATIC DIAGRAM............................203
[2] SERVICE MODE....................................................50 [3] KEY SCHEMATIC DIAGRAM..................................208
[3] SOFTWARE UPGRADE PROCEDURE................51 [4] IR SCHEMATIC DIAGRAM......................................209
[5] MEMC SCHEMATIC DIAGRAM...............................210
CHAPTER 4. TROUBLESHOOTING TABLE [6] RS232 SCHEMATIC DIAGRAM...............................215
[1] TROUBLESHOOTING TABLE...............................52 [7] Convert SCHEMATIC DIAGRAM.............................216
CHAPTER 5. MAJOR IC INFORMATIONS CHAPTER 9. Parts Guide
[1] MAJOR IC INFORMATIONS...............................127 [1] SPARE PARTS LIST...............................................218
[2] CABINET PARTS ...................................................311
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM [3] SUPPLIED ACCESSOORIES............................... ..323
[1] BLOCK DIAGRAM...............................................149 [4] PACKING PARTS....................................................324
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
SHARP CORPORATION after sales service only.
The contents are subject to change without notice.
1
LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION
Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the
servicing guidelines which follow: