Sharp LC-32LE240M Service Manual

SERVICE MANUAL
LC-32LE240M/340M(1stEdition)
No. SY1V132LE340M
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
after sales service only.
The contents are subject to change without notice.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION............................................................i
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ............................................................ii
OUTLINE
MAJOR SERVICE PARTS ................................iii
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL .................................. 2-1
CHAPTER 3. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 3-1
CHAPTER 4. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE....................... 4-1
[2] USB Clone (Smart Loader) ............................ 4-7
[3] PUBLIC MODE SETTING PROCEDURE........ 4-8
CHAPTER 5. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ......................5-1
CHAPTER 6. OVERALL WIRING/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM......................6-1
[2] SYSTEM BLOCK DIAGRAM.........................6-2
CHAPTER 7. PRINTED WIRING BOARD ASSEM-
BLIES
[1] MAIN Unit ......................................................7-1
CHAPTER 8. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................8-1
[2] MAIN Unit ......................................................8-2
Parts Guide
TopPage
CONTENTS
LCD COLOUR TELEVISION
LC-32LE240M
LC-32LE340M
MODELS
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.

Sharp LC-32LE240M Specifications

General

Brand	Sharp
Model	LC-32LE240M
Category	LCD TV
Language	English

Summary

Safety Precautions

Important Service Safety Precaution

Guidelines for qualified service technicians regarding safety checks and servicing.

Pre-Return Receiver Safety Checks

Essential safety checks before returning the receiver to the user.

Safety Notice on Component Characteristics

Chapter 1: Specifications

Detailed Model Specifications

Presents technical specifications for LC-32LE240M and LC-32LE340M models.

Chapter 3: Major Parts Removal

Removing Rear Cabinet and Stand Base

Step-by-step guide to detach the rear cabinet assembly and stand base.

Connector Disconnection Procedures

Bottom Bracket, Main Unit, and Power Unit Removal

Chassis and LCD Panel Unit Removal

LCD Panel Unit Component Removal

Chapter 4: TV Adjustment Procedures

Entering and Canceling Adjustment Mode

Steps to enter and exit the TV's adjustment process mode.

EDID Data Input Procedures

Instructions for inputting EDID data for HDMI and Analog PC connections.

Component Signal Picture Adjustment

PC Analog RGB Signal Adjustment

White Balance Adjustment Procedure

Detailed steps for adjusting white balance using specific measurement tools.

Factory Setting Configuration

Steps and considerations for configuring factory settings on the TV.

Public Mode Setting and Exit Procedures

Software Upgrading Process

Guide for upgrading the TV's software via USB.

Chapter 5: Troubleshooting Guide

Power On and Startup Issues

Troubleshooting steps for no power or failure to start up (LED issues).

No Video Troubleshooting (RF Input)

Steps to diagnose no video issues with RF signal input.

No Video Troubleshooting (Component/HDMI Input)

Steps to diagnose no video issues with Component and HDMI inputs.

Chapter 5: Audio Troubleshooting

No Audio Troubleshooting (UHF/VHF Reception)

Steps to diagnose no audio issues when receiving UHF/VHF signals.

No Audio Troubleshooting (Input 2/3)

Steps to diagnose no audio issues with Input 2 and Input 3.

No Audio Troubleshooting (HDMI Input)

Steps to diagnose no audio issues with HDMI input, checking image and EDID.

HDMI Analog Audio Troubleshooting

Diagnosing no audio from HDMI analog input, checking signal paths.

No PC Audio Output Troubleshooting

Steps to diagnose lack of audio output from PC input.

Chapter 6: Wiring and Block Diagrams

Overall Wiring Diagram

Visual representation of the TV's internal wiring connections.

System Block Diagram

High-level overview of the TV's functional blocks and their interactions.

Chapter 7: Printed Wiring Board Assemblies

Main Unit PWB Layout (Side-A)

Main Unit PWB Layout (Side-B)

Chapter 8: Schematic Diagram Information

Description of Schematic Diagram Conventions

Explains conventions for voltage measurement, resistors, and capacitors in schematics.

Main Unit Tuner Schematic

Main Unit HDMI Terminal Schematic

Main Unit Terminal Connections Schematic

Main Unit CPU Schematic (LC-32LE240M)

Main Unit CPU Schematic (LC-32LE340M)

Main Unit DDR Memory Schematic

Main Unit Flash Memory Schematic (LC-32LE240M)

Main Unit Flash Memory Schematic (LC-32LE340M)

Main Unit Panel Interface Schematic

Main Unit Audio Amplifier Schematic

Main Unit Power Supply Schematic

Main Unit Key and Remote Control Schematic