Haier L32B1120 Service Manual

SERVICE MANUAL
LCD TV
Model No. L32B1120
Chassis
MSD318QT
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair
the product or products dealt with in this service information by anyone else could result in serious injury or death.
Haier Group
©2009 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
WARNING

Haier L32B1120 Specifications

General

Brand	Haier
Model	L32B1120
Category	LCD TV
Language	English

Summary

General Information

General Guidelines

Important Notice

Details critical warnings and safety information regarding electrical shock and ESD.

Location of Controls and Components

Main Board and Connector Details

Power Board and LCD Panel Identification

Disassemble and Assemble Procedures

Internal Component Removal Procedures

Installation Instructions

External Equipment Connections

Operation Instructions

Front and Back Panel Controls

Remote Control Setup and Usage

Electrical Parts and Diagrams

System Block Diagram

High-level overview of the TV's internal functional blocks and connections.

Circuit Diagrams

Detailed electrical schematics for various TV sections.

Wiring Connection Diagram

Illustrates the internal wiring harness connections for assembly.

TV Operation and Features

Advanced Settings and Configuration

Trouble shooting

Simple Check Procedures

Main Board Failure Diagnosis

Flowcharts for diagnosing issues related to the main board.

Panel and Display Issues

Guides for diagnosing abnormal panel display and picture problems.

Audio and Signal Issues

Troubleshooting steps for no sound or signal reception problems.

Failure Mode Analysis