Table of Contents
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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.
CAUTION ............................................................2
Precautions for using lead-free solder ................3
CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS ..................................................4
[2] OPERATION MANUAL ...........................................5
[3] DIMENSIONS .......................................................10
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ..........................12
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ..............................20
[2] SERVICE MODE ...................................................26
[3] SOFTWARE UPGRADE PROCEDURE.............
[1] TROUBLESHOOTING TABLE..............................28
[1] MAJOR IC INFORMATIONS.................................46
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] BLOCK DIAGRAM ...............................................61
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.
SERVICE MANUAL
LCD COLOUR TELEVISION
MODELS
CONTENTS
[2] POWER MANAGEMENT BLOCK DIAGRAM ......63
[4] WIRING DIAGRAM ...............................................65
[1] MAIN UNIT PRINTED WIRING BOARD ................68
[2] POWER UNIT PRINTED WIRING BOARD ...........72
[3] KEY UNIT PRINTED WIRING BOARD .................76
[4] IR UNIT PRINTED WIRING BOARD .....................78
[1] MAIN SCHEMATIC DIAGRAM .............................80
[2] POWER SCHEMATIC DIAGRAM ......................113
[3] KEY SCHEMATIC DIAGRAM .............................116
[4] IR SCHEMATIC DIAGRAM .................................118
..
27
[1] SPARE PARTS LIST............................................120
[2] CABINET PARTS ................................................186
[3] SUPPLIED ACCESSOORIES..............................190
[4] PACKING PARTS.................................................191
1
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
LC-19S7E-BK
LC-26S7E-BK
LC-32S7E-BK
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
No.
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Table of Contents
Related Manuals for Sharp LC-32S7E-BK
Summarization of Contents
SAFETY PRECAUTIONS
IMPORTANT SERVICE SAFETY PRECAUTIONS
Essential safety guidelines and precautions for qualified service technicians.
CAUTIONS AND BEFORE RETURNING THE RECEIVER
Warnings for fire risk, fuse replacement, and critical safety checks before unit return.
SAFETY NOTICE
Information on special safety characteristics of electrical and mechanical parts.
LEAD-FREE SOLDER PRECAUTIONS
USING LEAD-FREE WIRE SOLDER
Guidelines for proper use of lead-free wire solder during repair processes.
SOLDERING TECHNIQUES AND PRECAUTIONS
Techniques and precautions for effective and safe soldering with lead-free solder.
CHAPTER 1. OPERATION MANUAL
SPECIFICATIONS
Technical specifications for different TV models including screen size, dots, and systems.
REMOTE CONTROL UNIT OPERATION
Explanation of remote control buttons and their functions for TV operation.
PREPARATION AND INSTALLATION
TV STAND AND WALL MOUNT INSTALLATION
Instructions for attaching the TV stand or wall mounting the unit.
REMOTE CONTROL BATTERY INSTALLATION AND USAGE
Proper insertion and handling of batteries for the remote control unit.
APPENDIX
TROUBLESHOOTING TABLE AND SOFTWARE INFORMATION
Common issues, solutions, and software license information for the product.
CHAPTER 2. REMOVING OF MAJOR PARTS
MAJOR PARTS DISASSEMBLY GUIDE
Step-by-step guides for removing major TV components like panel and covers.
CHAPTER 3. ADJUSTMENT PROCEDURE
OSD MENU AND SERVICE MODE ADJUSTMENTS
How to adjust TV settings via OSD menu and enter service mode.
SOFTWARE UPGRADE PROCEDURE
Steps for updating the TV's firmware via USB port.
CHAPTER 4. TROUBLESHOOTING TABLE
TROUBLESHOOTING TABLE (19" MODELS)
Diagnosing and resolving common issues for the 19-inch model.
TROUBLESHOOTING PICTURE ISSUES
Specific steps for resolving no picture or display problems.
DIMENSIONS
19" TV DIMENSIONS
Physical dimensions and measurements for the 19-inch model.
26" TV DIMENSIONS
Physical dimensions and measurements for the 26-inch model.
32" TV DIMENSIONS
Physical dimensions and measurements for the 32-inch model.
CHAPTER 5. MAJOR IC INFORMATIONS
MST9A885GL IC INFORMATION
Detailed description of the main LCD TV controller IC and its features.
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
19" BLOCK DIAGRAM
Functional block diagram for the 19-inch TV model.
26" & 32" BLOCK DIAGRAM
Functional block diagrams for the 26-inch and 32-inch models.
CHAPTER 7. PRINTED WIRING BOARD
MAIN UNIT PRINTED WIRING BOARD
Top and bottom side views of the main unit's printed wiring board.
POWER UNIT PRINTED WIRING BOARD
Top and bottom side views of the power unit's printed wiring board.
KEY UNIT PRINTED WIRING BOARD
Top and bottom side views of the key unit's printed wiring board.
IR UNIT PRINTED WIRING BOARD
Top and bottom side views of the IR unit's printed wiring board.
CHAPTER 8. SCHEMATIC DIAGRAM
MAIN UNIT SCHEMATICS
Electrical schematics for the main unit across different models.
POWER UNIT SCHEMATICS
Electrical schematics for the power supply unit across different models.
KEY AND IR UNIT SCHEMATICS
Electrical schematics for the key and IR units across different models.
CHAPTER 9. PARTS GUIDE
SPARE PARTS LIST (LC-19S7E-BK)
List of all spare parts for the LC-19S7E-BK model.
CABINET PARTS
Exploded views and lists of cabinet parts for all models.
SUPPLIED AND PACKING ACCESSORIES
Information on included accessories and packing components.
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