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Sony KDL-40BX450 Service Manual

Sony KDL-40BX450
37 pages
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SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3FK Chassis
Segment: P-2F
9-883-873-01
Self Diagnosis
Supported model
Version Date Subject
1.0 2/24/2012 Original Manual Release Date
ORIGINAL MANUAL ISSUE DATE: 2/2012
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

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Sony KDL-40BX450 Specifications

General IconGeneral
Screen Size40 inches
Display TypeLCD
Resolution1920 x 1080
Backlight TypeCCFL
Refresh Rate60 Hz
HDMI Ports3
USB Ports1
Component Video Input1
Composite Video Input1
Speakers2
Viewing Angle178 degrees
InputsHDMI, USB, Component, Composite

Summary

CAUTIONS AND WARNINGS

General Safety Precautions and Warnings

Covers essential safety precautions, warnings, and critical component handling.

LCD Panel Handling and Cleaning Guidelines

Provides guidelines for safely handling and cleaning the LCD panel.

Post-Service Safety Checks and Leakage Testing

Details essential safety checks like leakage testing and earth ground verification.

SECTION 1 - FEATURES AND OVERVIEW

Product Features and Specifications Overview

Outlines key features and technical specifications of the TV models.

Chassis and Component Board Description

Describes the chassis and primary circuit boards.

LCD Panel Assembly and TCON Board Details

Details the components and function of the LCD panel assembly and TCON board.

SECTION 2 - TROUBLESHOOTING

Self Diagnosis Function and Error Code Interpretation

Explains the self-diagnosis feature and how to interpret LED blink codes.

Troubleshooting Specific Error Blinks

Details troubleshooting for specific error codes (2X, 3X, 5X, 6X, 7X blinks).

Troubleshooting Flowcharts for Common Issues

Provides flowcharts for diagnosing No Power, No Video, and Video Distortion issues.

Protection Shutdown Troubleshooting Flowchart

A flowchart to diagnose and resolve protection shutdown issues.

SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION

Basic Disassembly: Stand, Cover, and Boards

Step-by-step guides for removing the stand, cover, and main boards.

LVDS Connector Handling and Panel Removal

Safe procedures for LVDS connectors and LCD panel removal.

Component Identification and Accessories List

Lists part numbers for connectors, accessories, and miscellaneous items.

Wire Dressing Procedures

Information on routing and securing internal wiring.

SECTION 5 - UPDATES AND ADJUSTMENTS

Software Update Procedures and Responsibility

Covers software update processes for customers and servicers.

Checking Software Version and Correctable Symptoms

How to check software version and lists symptoms fixed by updates.

Service and Factory Adjustment Mode Access

Details on accessing service and factory modes for adjustments.

Color Temperature Adjustment Guide

Step-by-step guide for adjusting color temperature settings.

APPENDIX A: ENCRYPTION KEY COMPONENTS

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