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Sharp LC-32LE350M User Manual

Sharp LC-32LE350M
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SERVICE MANUAL
1st Addition
No.SZ12M1132LE350M
CONTENTS
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
PRECAUTION................................................i
PRECAUTION FOR USING LEAD-FREE
SOLDER.........................................................ii
CHAPTER 1. OUTLINE
[1] OUTLINE...........................................1-1
CHAPTER 2. SPECIFICATIONS
[1] SPECIFICATION.................................2-1
CHAPTER 3.OPERATION MANUAL
[1] OPERATION MANUAL........................3-1
CHAPTER 4. DIMENSIONS
[1] DIMENSIONS......................................4-1
CHAPTER 5. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS...........5-1
CHAPTER 6. ADJUSTMENT
[1] ADJUSTMENT....................................6-1
CHAPTER 7. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE .........................7-1
CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM
[1] SYSTEM BLOCK DIAGRAM............................8-1
CHAPTER 9. PRINTED WIRING BOARD ASSEM-
BLIES
[1] Main Unit .............................................9-1
[2] LED_IR Unit ..........................................9-3
CHAPTER 10. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC
DIAGRAM ...........................................10-1
TopPage
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.
MODEL : LC-32LE350M
LCD COLOUR TELEVISION

Table of Contents

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Sharp LC-32LE350M Specifications

General IconGeneral
Screen Size32 inches
Resolution1366 x 768
Display TypeLCD
HDMI Ports2
USB Ports1
Refresh Rate50Hz
BacklightLED
Aspect Ratio16:9
Built-in SpeakersYes
Audio Output10 W

Summary

Safety Precautions

Important Service Safety Precautions

Guidelines for qualified service technicians regarding safety checks and servicing procedures.

Fire and Shock Hazard Precautions

Checks for safety before returning the receiver to the user, focusing on fire and shock hazards.

Safety Notice on Components

Importance of safety-related characteristics in components and proper part replacement.

Lead-Free Solder Precautions

Employing Lead-Free Solder

Information on the use of lead-free solder and its associated symbols on PWBs and manuals.

Using Lead-Free Wire Solder

Guidance on using lead-free wire solder for repairs to avoid damage or accidents.

Soldering Techniques

Guidelines and precautions for soldering with lead-free solder, including tip maintenance.

Chapter 1: Outline

Major Service Parts

Lists key service parts including PWB units, other units, and ICs for exclusive service use.

Chapter 2: Specifications

Product Specifications Overview

Details on screen size, resolution, video systems, audio, terminals, power, dimensions, and operating temperature.

Chapter 3: Operation Manual

TV Front and Rear Part Names

Identification of controls, indicators, and connection terminals on the TV's front and rear panels.

Remote Control Unit Functions

Explanation of the functions for each button on the remote control unit.

Attaching the Stand

Step-by-step instructions for safely attaching or detaching the TV stand.

Chapter 4: Dimensions

TV Unit Dimensions

Diagrams illustrating the physical dimensions of the TV unit in millimeters.

Chapter 5: Removing Major Parts

Rear Cabinet and Stand Removal

Step-by-step instructions for removing the rear cabinet assembly and stand.

Bottom Bracket and Speaker Removal

Instructions for removing the bottom bracket and the left/right speakers.

LCD Panel Module Removal

Detailed steps for detaching the LCD panel module, including lock hook procedures.

Chapter 6: Adjustment

Adjustment Procedure Overview

Steps to enter/exit adjustment mode, controller key operations, and software upgrading.

EDID Data Input

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

Signal Adjustment Procedures

Guidelines for picture adjustment using Component and PC-RGB signals.

White Balance Adjustment

Procedures for performing manual and automatic white balance adjustments.

Factory Setting Procedure

Steps for setting the TV to its original factory default configuration.

USB Clone (Smart Loader)

Explanation of the Smart Loader function for replicating TV settings via USB.

Public Mode Setting Procedure

Instructions on how to start, exit, and manage public mode settings.

Public Mode Menu Items

Details on various setting items available within the Public Mode menu.

Public Mode Display and Input Settings

Settings related to On Screen Display, Blue Screen, Input Mode, and RS-232C power control.

RC Path Through Setting

Configuration options for the remote control signal path through the TV.

Chapter 7: Troubleshooting Table

Troubleshooting No Power/Startup

Flowchart for diagnosing and resolving issues related to no power or no startup.

Troubleshooting No Video (RF Input)

Flowchart for diagnosing no video issues when using RF signal input.

Troubleshooting No Video (AV/Component Input)

Flowchart for diagnosing no video issues with AV and Component signal inputs.

Troubleshooting No Video (Component/HDMI Input)

Flowchart for diagnosing no video issues with Component and HDMI signal inputs.

Troubleshooting No Audio (RF Input)

Flowchart for diagnosing no audio issues when using RF signal input.

Troubleshooting No Audio (AV/Component Input)

Flowchart for diagnosing no audio issues with AV and Component signal inputs.

Troubleshooting No Audio (HDMI Input)

Flowchart for diagnosing no audio issues with HDMI signal input.

Troubleshooting No Audio (HDMI Analog Input)

Flowchart for diagnosing no audio issues with HDMI analog audio input.

Chapter 8: System Block Diagram

System Block Diagram Overview

Visual representation of the TV's system architecture and component interconnections.

Chapter 9: Printed Board Assemblies

Main Unit PCB Layout (A-Chip)

Component layout diagram for the Main Unit PCB, A-Chip view.

Main Unit PCB Layout (B-Symbol)

Component layout diagram for the Main Unit PCB, B-Symbol view.

LED_IR Unit PCB Layout

Component layout diagram for the LED_IR Unit PCB.

LED B Unit PCB Layout

Component layout diagram for the LED B Unit PCB.

Chapter 10: Schematic Diagram

Schematic Diagram Conventions

Guidelines for interpreting schematic symbols, component ratings, and important safety notes.

Schematic: Tuner Section

Circuit diagram detailing the tuner module and its connections.

Tuner Section Circuit Details

Further circuit details and component values for the tuner section.

Schematic: HDMI Terminal Section

Circuit diagram illustrating the HDMI input terminals and associated circuitry.

HDMI Terminal Circuit Details

Further circuit details and component values for the HDMI terminal section.

Schematic: Main Terminal Section (PC Audio, USB)

Circuit diagram for PC audio input and USB connection terminals.

Main Terminal Circuit Details

Further circuit details and component values for main terminal connections.

Schematic: Video Input Section

Circuit diagram for various video input interfaces.

Video Input Circuit Details

Further circuit details and component values for video input sections.

Schematic: DDI Section

Circuit diagram detailing the Digital Display Interface (DDI) connections.

Schematic: DDR Memory Section

Circuit diagram illustrating the DDR memory interface and connections.

Schematic: Flash Memory Section

Circuit diagram showing the flash memory interface.

Flash Memory Circuit Details

Further circuit details and component values for the flash memory interface.

Schematic: Panel Interface Section

Circuit diagram for the connection to the LCD panel.

Panel Interface Circuit Details

Further circuit details and component values for the panel interface.

Schematic: Audio Amplifier Section

Circuit diagram for the audio amplifier circuitry.

Audio Amplifier Circuit Details

Further circuit details and component values for the audio amplifier.

Schematic: Power Supply Section

Circuit diagram detailing the power supply unit and its components.

Power Supply Circuit Details

Further circuit details and component values for the power supply unit.

Schematic: Key and Remote Control Section

Circuit diagram for the TV's key inputs and remote control interface.

Key and Remote Control Circuit Details

Further circuit details and component values for key and remote control interfaces.

Sharp Parts Guide

Parts Guide Contents

List of sections covered in the Sharp Parts Guide.

Printed Wiring Board Assemblies

List of parts for the various printed wiring boards.

Main Unit Component List - Capacitors

List of capacitors used in the main unit assembly.

Main Unit Component List - ICs and Diodes

List of integrated circuits and diodes used in the main unit assembly.

Main Unit Component List - Resistors

List of resistors used in the main unit assembly.

Main Unit Component List - More Resistors

Additional list of resistors for the main unit assembly.

Main Unit Component List - Tuners, Connectors, etc.

List of tuners, connectors, and other components for the main unit.

LCD Panel Component List

List of components specifically related to the LCD panel assembly.

Supplied Accessories

List and description of accessories supplied with the TV.

Packing Parts List

List of packing materials and items not intended for replacement.

Packing Parts List - Continued

Additional information on packing parts for the TV.

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