Haier LEY22T1000HF User Manual

SERVICE MANUAL
LED TV
Chassis
MSD308
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
LEY22T1000HF
Model No.

Haier LEY22T1000HF Specifications

General

Brand	Haier
Model	LEY22T1000HF
Category	LED TV
Language	English

Summary

General Information and Safety

General Guidelines and Precautions

Covers general servicing advice, safety notices, and handling of sensitive components.

How to Read the Service Manual

Explains document conventions, icons, and how to interpret information effectively.

Product Specifications

TV Specifications

Details screen size, resolution, aspect ratio, response time, connectivity, and physical dimensions.

Component Identification

Board Locations and Connectors

Identifies main board, LED panel, and connector pin assignments for system integration.

Service Procedures

Disassembly Steps

Step-by-step guide for safely dismantling the TV, including pedestal, back cover, and internal components.

Installation and Setup

Instructions for connecting external devices, base stand, wall mounting, and HDMI setup.

Operation and Control

Panel, Back Controls, and Remote Usage

Details front/back panel buttons, remote control functions, DVD playback, and teletext.

Electrical Schematics and Diagrams

Block Diagram and Wiring Connections

Visual representation of internal circuitry, signal flow, and connection points for troubleshooting.

Measurements, Adjustments, and Modes

Installation Guide and Channel Tuning

Covers initial setup, channel tuning (ATV/DVB), picture, sound, and menu adjustments.

Advanced Service and Software Updates

Procedures for accessing factory mode, updating software, and configuring hotel mode settings.

Troubleshooting Common Issues

Picture, Sound, and Color Problems

Diagnosing and resolving problems like no picture, no sound, poor quality, or color issues.

Panel, Backlight, and Circuit Failures

Identifying and troubleshooting issues related to the LCD panel, backlight, and internal circuit malfunctions.

DVD Player Operation and Troubleshooting

DVD Player Functions and Media Playback

Guide to operating the DVD player, supported formats, and media playback controls.

DVD Player Troubleshooting Guide

Guidance for resolving common problems encountered with the DVD playback functionality.