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Haier 40DR3505 User Manual

Haier 40DR3505
51 pages
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SERVICE MANUAL
LED TV
Model No.
MSD3393LU
Chassis
WARNING
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.
©2013 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
40DR3505

Table of Contents

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Haier 40DR3505 Specifications

General IconGeneral
Screen Size40 inches
Display TypeLED
HDMI Ports2
USB Ports1
Refresh Rate60 Hz
Smart TVNo
Resolution1920 x 1080 (Full HD)
Operating SystemNot applicable

Summary

General Information

Document Information

Details about the document format, author, and compiler.

General Servicing Guidelines

Precautions for servicing, including leakage current checks and ESD prevention.

Critical Safety Notices

Crucial safety information regarding electrical hazards and warnings.

Electrostatic Discharge (ESD) Prevention

Explains ESD and techniques to prevent component damage.

Lead-Free Solder Requirements

Information regarding the use of environmentally responsible lead-free solder.

Use of Specified Replacement Parts

Emphasizes using specified parts for safety and quality.

Post-Repair Safety Verification

Procedures for safety checks after servicing the unit.

Comprehensive Servicing Precautions

Detailed safety precautions for servicing electronic equipment.

Ordering Replacement Parts

Information required when ordering replacement parts.

Understanding Manual Illustrations

Notes that illustrations may differ from final product design.

How to Read This Service Manual

Guidance on interpreting icons and structure of the manual.

TV Specifications

Technical Specification List

Detailed technical specifications of the LED TV model.

External Views of the TV

Visual representation of the TV from different angles.

Disassembly and Assembly Procedures

Removing the TV Stand

Steps to detach the TV stand from the unit.

Removing the Rear Cabinet

Procedure to remove the rear cover of the TV.

Removing the Power and Main Boards

Steps to detach the main power and main circuit boards.

Removing the Speakers

Procedure to detach the audio speaker from the unit.

Removing Control and Key Input Boards

Steps to detach remote control and key input boards.

Component Locations

Main Board Locations

Identifies the physical placement of main circuit boards within the TV.

Mainboard Functionality and Connectors

Details mainboard function and pin definitions.

Power Supply Module Functionality

Information on the power supply unit's function and connectors.

LCD Panel Information

Information related to the TV's LCD panel.

Installation Instructions

Included TV Accessories

Lists the accessories included with the TV, like remote and batteries.

Connecting External Devices

Guide on connecting external devices like PCs, DVD players, and HDMI sources.

Operation Instructions

Front Panel Button Functions

Explains the function of buttons on the TV's front panel.

Back Panel Port Identification

Details the various ports and connectors on the TV's back panel.

Remote Control Setup and Usage

Instructions for setting up and using the TV remote control.

Electrical Parts and Diagrams

Circuit Diagrams and Schematics

Detailed circuit schematics for the TV's electronic components.

Measurements and Adjustments

Accessing and Exiting Service Mode

Instructions on how to access and exit the TV's service/factory mode.

Navigating the Main Service Menu

Procedures for adjusting various TV settings in service mode.

Adjusting General Settings

Details on adjusting general settings like initialization and debug modes.

Adjusting Picture Settings

Guide to adjusting picture settings such as mode, curve, and white balance.

Adjusting Sound Settings

Instructions for adjusting sound parameters like mode, curve, and output.

Configuring Panel Settings

Options for configuring panel-specific settings like LVDS mode and backlight.

Software Update Procedures

Steps for updating the TV's firmware via USB.

Troubleshooting Common Issues

Basic Troubleshooting Steps

Basic troubleshooting steps for common picture and sound issues.

Mainboard IC Identification

Identifies key integrated circuits on the mainboard.

Mainboard Failure Diagnosis

Flowcharts for diagnosing common mainboard-related problems.

Panel Failure Analysis and Causes

Identifies panel-related failure modes and their causes.

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