Sharp LC-32M400M-BK - Service Manual

SERVICE MANUAL
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. DIMENSIONS
[1] DIMENSIONS ................................................ 3-1
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 4-1
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE ....................... 5-1
[2] USB Clone (Smart Loader) ............................ 5-6
[3] PUBLIC MODE SETTING PROCEDURE........ 5-7
CHAPTER 6. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ......................6-1
CHAPTER 7. OVERALL WIRING/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM......................7-1
[2] SYSTEM BLOCK DIAGRAM .........................7-2
CHAPTER 8. PRINTED WIRING BOARD ASSEM-
BLIES
[1] MAIN Unit ......................................................8-1
[2] IR OPC Unit...................................................8-4
[3] TERMINAL Unit .............................................8-5
CHAPTER 9. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................9-1
[2] MAIN Unit ......................................................9-2
[3] IR OPC Unit.................................................9-13
[4] TERMINAL Unit ...........................................9-14
Parts Guide
TopPage
CONTENTS
LC-32M400M-BK/WH/RD
No. S51Q1LC32M40M
MODELS
LC-32M400M-BK
LC-32M400M-WH
LC-32M400M-RD
LCD COLOUR TELEVISION
In the interests of user safety (required by safety regulations in some countries) the set should be restored to its
original condition and only parts identical to those specified should be used.

Sharp LC-32M400M-BK Specifications

General

Brand	Sharp
Model	LC-32M400M-BK
Category	LCD TV
Language	English

Summary

Safety Precautions

Important Service Safety Precautions

Essential safety guidelines for service technicians, including warnings and hazard prevention.

Fire & Shock Hazard Precautions

Procedures to prevent fire and electric shock hazards before returning the unit.

Safety Notices

Information regarding special safety-related characteristics of electrical and mechanical parts.

Lead-Free Solder Precautions

Employing Lead-Free Solder

Guidelines for using and identifying lead-free solder on PWBs and service manuals.

Using Lead-Free Wire Solder

Instructions and recommendations for using lead-free wire solder for repairs.

Outline

Major Service Parts

List of main service parts including PWB units, other units, ICs, and service jigs.

Specifications

Product Specifications

Detailed technical specifications of the LCD Colour Television model.

Operation Manual

TV Controls and Functions

Description of TV front and rear panel controls, power indicator, and remote control functions.

PC Control of the TV

Instructions for controlling the TV from a PC using RS-232C communication.

RS-232 C Commands List

Detailed list of commands and parameters for RS-232C TV control.

Dimensions

Unit Dimensions and Layout

Detailed physical dimensions of the TV set, shown in millimeters.

Removing Major Parts

Stand Unit and Rear Cabinet Removal

Procedure to detach the stand unit and rear cabinet assembly.

Disconnecting Internal Connectors

Instructions for disconnecting various internal unit connectors for disassembly.

Side AV Cover, Speaker, and Bottom Bracket Removal

Steps to remove the side AV cover, speakers, and bottom bracket.

PWB Unit Removal

Procedure for detaching the Printed Wiring Board (PWB) units.

LCD Panel Module Removal

Method for safely removing the LCD panel module from the front cabinet.

Adjustment Procedures

Entering and Cancelling Adjustment Mode

How to enter, operate, and exit the TV's adjustment process mode.

Software Upgrading

Procedure for upgrading the TV's software using a USB device.

Signal Adjustment

Steps for adjusting video signals, including composite, component, and PC inputs.

White Balance Adjustment

Procedure for adjusting white balance using specific test equipment and settings.

Factory Setting Procedure

Steps to reset the TV to its factory default settings.

USB Clone (Smart Loader) Function

Using the Smart Loader function to replicate user settings between TVs via USB.

Public Mode Setting Procedure

Guide to entering, exiting, and setting values in the TV's public mode.

Troubleshooting Table

No Power or Startup Issues

Flowchart for diagnosing and resolving power-on and startup problems.

No Video Onscreen Diagnosis

Troubleshooting steps for no video display across various input signals.

No Audio Heard Diagnosis

Diagnostic procedures for identifying and fixing audio issues for different inputs.

Wiring and Block Diagrams

Overall Wiring Diagram

Diagram showing the interconnection of major units and their respective connectors.

System Block Diagram

High-level functional block diagram illustrating the TV's internal system architecture.

Printed Wiring Board Assemblies

MAIN Unit PWB Layout

Component layout diagram for the MAIN Unit's printed wiring board (Side-A).

IR OPC Unit PWB Layout

Component layout diagram for the IR/OPC Unit's printed wiring board.

TERMINAL Unit PWB Layout

Component layout diagram for the TERMINAL Unit's printed wiring board.

Schematic Diagrams

Description of Schematic Symbols

Explanation of resistor, capacitor indications, and safety notes for schematic diagrams.

MAIN Unit Schematics

Detailed schematics for the MAIN Unit.

IR OPC Unit Schematic

Schematic diagram for the IR/OPC Unit, showing RC/LED control.

TERMINAL Unit Schematics

Schematics for the TERMINAL Unit, detailing interface connections and keys.

Cabinet and Mechanical Parts

Exploded View and Part List

Diagrams and part codes for cabinet, mechanical components, and screws.

Supplied Accessories

Included Accessories and Manuals

List and images of items supplied with the television, including remote, batteries, and manuals.

Packing Parts (Not Replacement Item)

Packaging Contents and Labels

List of packing materials and labels used for product packaging.

Service Jigs (Use for Servicing)

Specialized Service Cables and Connectors

List of specific cables and jigs required for servicing operations.