Haier LE32B8000 User Manual

SERVICE MANUAL
LED TV
Chassis
V59
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.
WARNING
LE32B8000
Model No.

Haier LE32B8000 Specifications

General

Brand	Haier
Model	LE32B8000
Category	LED TV
Language	English

Summary

Critical Safety Warning

General Information

Important Service Notices

Key regulations, warnings, and precautions for service personnel.

Product Specifications

Disassembly and Assembly

Remove the TV Pedestal

Remove the Back Cover

Remove the Main Board

Electrical Parts and Diagrams

System Block Diagram

Overall block diagram illustrating the TV's main components and signal flow.

Circuit Diagrams

Detailed circuit diagrams for various sections of the TV's electronics.

Wiring Connection Diagram

Measurements and Adjustments

Factory Menu Access

Procedure for accessing and navigating the TV's factory settings menu.

Software Update Procedure

Hotel Mode Setup

Troubleshooting Guide

Basic Troubleshooting Checks

A table listing common picture and audio issues with corresponding inspection steps.

Main Board Failure Diagnosis

Flowchart for diagnosing issues related to the main board.

AV No Sound Troubleshooting

Flowchart for diagnosing and resolving 'AV No Sound' issues.

No Sound/Picture/LED Troubleshooting

Flowchart for diagnosing issues with no sound, no picture, and no LED indication.

Poor Sound Troubleshooting

Troubleshooting steps for issues related to poor audio quality.

No Color Troubleshooting

Steps to diagnose and fix 'no color' issues on specific channels.

Power Board Failure Check

Diagnostic steps to determine if the power board is faulty.

Mainboard Malfunction

Checks for common mainboard issues, including power supply and chip verification.

Panel Malfunction

Checks for panel issues, including voltage input, signal output, and software version.

Power Board Malfunction

Verification steps for power cord connection, power supply, and voltage outputs.

Panel Failure Modes

Describes various panel failure modes and their causes, like vertical bars and color lines.

Dot Defects

Polarizer Bubbles

Polarizer Scratches

Abnormal Display Issues

White Screen Display

Black Screen Display

Screen Flicker

Abnormal Color Issues

Mechanical Noise and Ripple

Backlight (B/L) Issues

Covers B/L off, dark, wire damage, open, shutdown, and F/M issues.

Light Leakage and Uniformity