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.
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................... . ............i
Precautions for using lead-free solder ... . ...........ii
End of life disposal ................................. . .......... iii
MAJOR SERVICE PARTS ..................... . ..........iv
CHAPTER 1. SPECIFICATIONS
[1]
SPECIFICATIONS ................................. . ....... 1-1
CHAPTER 2. OPERATION MANUAL
[1]
OPERATION MANUAL .......................... . ....... 2-1
CHAPTER 3. DIMENSIONS
[1]
DIMENSIONS (LC-40LE820E/LU820E)........ 3-1
[2]
DIMENSIONS (LC-46LE820E/LU820E)........ 3-2
[3]
DIMENSIONS (LC-52LE820E) .............. . ....... 3-3
CHAPTER 4. REMOVING OF MAJOR PARTS
[1]
REMOVING OF MAJOR PARTS
(LC-40LE820E/LU820E) ........................ . ....... 4-1
[2]
REMOVING OF MAJOR PARTS
(LC-46LE820E/LU820E) ........................ . ....... 4-6
[3]
REMOVING OF MAJOR PARTS
(LC-52LE820E) ...................................... . ..... 4-11
[4]
Caution Cleaning Glass ......................... . ..... 4-16
[5]
How to replace the touch key sensor
PWB ....................................................... . ..... 4-18
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
CHAPTER 5. Enter the chapter title here.
[1]
LC-40LE820E/LU820E ..................................5-1
[2]
LC-46LE820E/LU820E ..................................5-2
[3]
LC-52LE820E ................................................5-3
CHAPTER 6. ADJUSTMENT
[1]
ADJUSTMENT PROCEDURE ......................6-1
CHAPTER 7. TROUBLESHOOTING TABLE
[1]
TROUBLESHOOTING TABLE ......................7-1
[2]
LED flashing specification at the time of the
error .............................................................7-13
CHAPTER 8. MAJOR IC INFORMATIONS
[1]
MAJOR IC INFORMATIONS .........................8-1
CHAPTER 9. OVERALL WIRING/BLOCK DIAGRAM
[1]
OVERALL WIRING
(LC-40LE820E/LU820E)................................9-1
[2]
OVERALL WIRING
(LC-46LE820E/LU820E)................................9-2
[3]
OVERALL WIRING (LC-52LE820E)..............9-3
[4]
SYSTEM BLOCK DIAGRAM .........................9-4
LC-40/46/52LE820E, LC-40/46LU820E
No. S30F240LE820E
LC-40LE820E
LC-46LE820E
LC-52LE820E
LC-40LU820E
LC-46LU820E
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
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Table of Contents
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Summarization of Contents
Safety Precautions
Important Service Safety Precautions
Critical safety guidelines, warnings, and cautions for service technicians.
Lead-Free Solder Precautions
Guidelines for employing and using lead-free solder in repairs, including soldering tips.
End of Life Disposal
Procedures for environmentally sound disposal for consumers and businesses.
Major Service Parts
Service Parts Overview
Lists of key service parts including PWBs, other units, ICs, and service jigs.
Chapter 1: Specifications
Detailed Technical Specifications
Comprehensive table of technical specifications for all models.
Chapter 2: Operation Manual
TV Operation and Controls
Instructions for operating the TV and its front/rear controls.
Remote Control Unit Details
Remote Control Buttons and Functions
Detailed description of remote control buttons and their operations.
Stand Assembly Procedure
Attaching the Stand Unit
Step-by-step guide for assembling the TV stand unit.
Chapter 3: Dimensions
Model Physical Dimensions
Dimensional drawings and measurements for 40", 46", and 52" models.
Chapter 4: Major Parts Removal
Disassembly Procedures for 40" Models
Steps for removing major components of the 40" models.
Disassembly Procedures for 46" Models
Steps for removing major components of the 46" models.
Disassembly Procedures for 52" Model
Steps for removing major components of the 52" model.
Caution Cleaning Glass
Precautions and steps for safely handling and cleaning glass components.
Touch Sensor PWB Replacement
Step-by-step guide for replacing the touch sensor PWB.
Chapter 5: Touch Sensor Details
Touch Sensor Unit Specifications by Model
Dimensional details of the touch sensor unit for each model.
Chapter 6: Adjustments
Adjustment Procedures and Modes
Detailed steps for various adjustments, including VCOM, signal, and factory settings.
Lamp Error Detection
Lamp Error Detection Function and Measures
Information on the lamp error detection feature and how to manage it.
Public Mode Settings
Public Mode Operation and Settings
Guide to entering, operating, and configuring Public Mode.
Chapter 7: Troubleshooting
Troubleshooting Tables and Flowcharts
Diagnostic guides for common issues like no power, no sound, and no picture.
LED Flashing Error Codes
Interpretation of LED blinking patterns to identify error causes.
Chapter 8: Major IC Information
Key Integrated Circuits (ICs)
Description of major ICs and their functions within the TV.
Chapter 9: Wiring & Block Diagrams
Overall Wiring and Block Diagrams
Diagrams showing internal wiring and system block architecture.
Parts Guide and Accessories
Service Parts Listings
Comprehensive list of all replaceable parts by category.
Supplied Accessories
List of items included with the TV.
LCD Module Service Procedures
LCD Module Removal
Procedures for removing the LCD module for specific models.
LCD Module Handling Notes
Procedures for handling LED PWB and lamination film.
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