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Sony KDL-32EX427 User Manual

Sony KDL-32EX427
131 pages
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SERVICE MANUAL
LCD Digital Color TV
AZ2-F Chassis
Segment: P-1
9-888-394-03
Version Date Subject
1.0 2/2/2011 Original Manual Release Date.
2.0 6/22/2011 Updated TOC.
Added VCOM Adjustments to Section 7 - Service Adjustments. Replaced and/or added pages 53-58.
3.0 12/21/2011 Reissue entire manual.
ORIGINAL MANUAL ISSUE DATE: 1/2011
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

Table of Contents

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Sony KDL-32EX427 Specifications

General IconGeneral
Screen Size32 inches
Resolution1366 x 768
Display TypeLCD
Backlight TypeLED
HDMI Ports4
USB Ports2
Wi-FiYes
Display Resolution1366 x 768
BRAVIA EngineBRAVIA Engine 3
Refresh Rate50 Hz
Smart TVYes
3D CapableNo
Energy Efficiency ClassA

Summary

History Information for the Following Manual

Model List

Section 1 - Safety and Features

Safety Precautions

General warnings, handling, cleaning, and safety checks for servicing.

LVDS Connector Handling

Instructions for connecting and disconnecting LVDS FFC connectors.

TV Features Overview

Details on the various features of the BRAVIA TV models.

Technical Specifications

Detailed technical specifications for the TV models.

Section 2 - Software Requirements

Software Update Overview

Explains the reasons and procedures for updating TV software.

Software Update Responsibility

Outlines responsibilities for software updates between customers and servicers.

Checking Software Version

Guide on how to check the current software version on the TV.

Software Correctable Symptoms

Lists symptoms that can be resolved by software updates.

Section 3 - Chassis Overview

Chassis Overview and Main Boards

Introduces the AZ2-F chassis and lists primary circuit boards.

Component Descriptions

Detailed descriptions of individual circuit boards and their functions.

Diagrams

Provides block and connector diagrams for the chassis layout.

Section 4 - Troubleshooting

Troubleshooting Overview

Introduces the troubleshooting chapter and software updates.

Triage Chart

A chart to help diagnose potential causes of TV errors.

Protection Shutdown and LED Codes

Explains protection shutdown and Standby LED flash count for diagnostics.

Diagnostic Code Descriptions

Provides descriptions and possible locations for diagnostic error codes.

Self-Check Diagnostics

Guides on viewing, clearing, and resetting diagnostic information.

Section 5 - Flow Charts and Diagrams

Diagnosing TV Errors

Introduces flowcharts for troubleshooting various TV issues.

Troubleshooting Flowcharts

Detailed flowcharts for specific error conditions like No Power, Blinking LEDs.

Common Fault Flowcharts

Flowcharts for issues like No Picture, No Sound, button malfunctions.

Connectivity and Accessory Issues

Flowcharts for network connectivity and Skype accessory problems.

Section 6 - Disassembly/Part Number Information

Component Removal Procedures

Step-by-step guides for disassembling and removing TV components.

Part Identification and Legends

Information on screws, connectors, and part numbers.

Accessories and Packaging

Details on included accessories, optional items, and remote commander.

Wire Dressing

Diagrams illustrating wire routing and management within the TV.

Section 7 - Service Adjustments

Service Mode Overview

Introduction to service adjustments and accessing service mode.

Data Adjustment Procedures

Steps for updating service data after replacing main board, including code, destination, model.

Serial Number and ID Confirmation

Procedures for adding serial number and confirming model/product IDs.

LCD Panel Data Updates

Adjustments for LCD panel replacement, including BU Flash Data and operation time.

VCOM Adjustments

Steps for adjusting VCOM data to fix picture flickering issues.

Optional and Factory Resets

Procedures for optional adjustments like white balance and resetting to factory condition.

Appendix A - Removing the Rear Cover

Power Cord Removal from Rear Cover

Instructions for safely removing the power cord during rear cover removal.

Model-Specific Rear Cover Removal

Procedures for removing rear covers for KDL-40EX527 and KDL-46EX527 models.

Appendix B - Attaching the Rear Cover

Reattaching Rear Cover to Bezel

Instructions for reattaching the rear cover to the TV bezel.

Model-Specific Rear Cover Attachment

Procedures for attaching rear covers for KDL-40EX527 and KDL-46EX527 models.

Appendix C - Replacing the LCD Panel

Removing LCD Panel from Bezel

Step-by-step guide for removing the LCD panel from the TV bezel.

Reattaching LCD Panel to Bezel

Instructions for securely reattaching the LCD panel to the TV bezel.

Appendix D - 8 Blink Error Code

8 Blink Error Code Symptoms and Causes

Details the symptoms and potential causes of an 8-blink error code.

Troubleshooting Solution for 8 Blink Error

Provides steps to diagnose and resolve an 8-blink error code.

Appendix E - Setup Guide

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