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Sony KDL-32EX725 User Manual

Sony KDL-32EX725
126 pages
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SERVICE MANUAL
LCD Digital Color TV
AZ2-F Chassis
Segment: 3a-2
9-888-405-01
Version Date Subject
1.0 2/16/2011 No revisions or updates are applicable at this time.
ORIGINAL MANUAL ISSUE DATE: 2/2011
HISTORYINFORMATIONFORTHEFOLLOWINGMANUAL:

Table of Contents

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Sony KDL-32EX725 Specifications

General IconGeneral
Screen Size32 inches
Resolution1920 x 1080 pixels
Display TypeLCD
Backlight TypeLED
HDMI Ports4
USB Ports2
Wi-FiYes
Smart TVYes
Audio Output10W + 10W
3D CompatibilityYes
Ethernet PortYes
Motionflow XR200 Hz
Refresh Rate200 Hz

Summary

MODEL LIST

Section 1 - Safety and Features

Warnings and Cautions

General safety warnings and cautions for handling the TV and its components.

Handling the FFC Connector

Detailed instructions for safely connecting and disconnecting Flexible Flat Cable connectors.

Safety-Related Warnings

Critical safety precautions related to specific components and procedures.

Safety Check-Out

Post-repair safety checks to ensure the TV is safe for customer use.

LEAKAGE TEST

Procedure for performing AC leakage tests on exposed metal parts.

Self Diagnosis Function

Explanation of the self-diagnostic feature and how errors are indicated.

Section 2 - Software Requirements

SOFTWARE UPDATES FOR CUSTOMERS

Explanation of customer software updates and their purpose.

SOFTWARE UPDATES FOR SERVICERS

Information on software updates for service personnel.

SOFTWARE UPDATE RESPONSIBILITY

Clarifies responsibilities for software updates.

CHECKING THE SOFTWARE VERSION

How to check the current software version on the TV.

EXAMPLES OF SOFTWARE CORRECTABLE SYMPTOMS

List of symptoms that can be resolved by software updates.

Section 3 - Chassis Overview

OVERALL CIRCUIT DESCRIPTION

Overview of the chassis circuit design.

POWER SUPPLY

Types of Power Supply Boards and their sections.

LCD PANEL ASSEMBLY

Components comprising the LCD Panel Assembly.

Section 4 - Troubleshooting

TRIAGE CHART

Guide to diagnose potential causes of errors using a chart.

PROTECTION SHUTDOWN

Explanation of protection shutdown modes.

STANDBY LED FLASH COUNT

Interpreting standby LED flash patterns for diagnosis.

2X Blink - Main Power Error

Troubleshooting for 2X blink pattern indicating main power issues.

3X Blink- DC Regulator/Audio Error

Troubleshooting for 3X blink pattern indicating audio errors.

4X Blink – Balancer Error

Troubleshooting for 4X blink pattern indicating balancer errors.

5X Blink - T-CON Error

Troubleshooting for 5X blink pattern indicating T-CON errors.

6X Blink - Backlight System Failure

Troubleshooting for 6X blink pattern indicating backlight system failure.

7X Blink - Temperature Failure

Troubleshooting for 7X blink pattern indicating temperature failure.

DIAGNOSTIC CODE DESCRIPTIONS

Table of diagnostic codes and their possible causes.

VIEWING THE SELF CHECK DIAGNOSTIC HISTORY

Accessing and reviewing past diagnostic history.

Section 5 - Flow Charts and Diagrams

NO POWER

Troubleshooting flowchart for no power issues.

STANDBY LED BLINKING

Troubleshooting flowchart for standby LED blinking.

3X Blink Pattern Audio Error

Troubleshooting flowchart for audio errors indicated by 3X blink.

4X Blink Pattern (Balancer Error)

Troubleshooting flowchart for balancer errors indicated by 4X blink.

5X Blink Pattern TCON/HFR Error

Troubleshooting flowchart for TCON/HFR errors indicated by 5X blink.

6X Blink Pattern (Backlight Error)

Troubleshooting flowchart for backlight errors indicated by 6X blink.

7X Blink Pattern Temperature Error

Troubleshooting flowchart for temperature errors indicated by 7X blink.

NO PICTURE/NO SOUND

Troubleshooting flowchart for no picture or no sound issues.

Missing or Distorted Video

Troubleshooting flowchart for missing or distorted video.

Missing or Distorted Audio

Troubleshooting flowchart for missing or distorted audio.

TV/REMOTE COMMANDER BUTTONS NOT WORKING

Troubleshooting flowchart for non-functional buttons.

Remote Commander Buttons not working

Troubleshooting flowchart for remote commander issues.

NETWORK NOT CONNECTING

Troubleshooting flowchart for network connectivity problems.

USB DEVICE MALFUNCTIONING

Troubleshooting flowchart for USB device malfunctions.

3D DOES NOT DISPLAY

Troubleshooting flowchart for 3D display issues.

SKYPE ACCESSORY NOT WORKING

Troubleshooting flowchart for Skype accessory issues.

Section 6 - Disassembly/Part Number Information

Section 7 - Service Adjustments

UPDATING THE SOFTWARE

Requirement to update software after board replacement.

ACCESSING SERVICE ADJUSTMENT MODE

Steps to enter service mode for adjustments.

VIEWING OR CHANGING SERVICE DATA

How to view and modify service data in the digital menu.

VERIFYING SERVICE ADJUSTMENTS

Procedures to verify service adjustments post-update.

VERIFYING THE SEGMENT CODE

Steps to verify the correct segment code.

VERIFYING THE DESTINATION

Steps to verify the correct destination.

VERIFYING THE MODEL NAME

Steps to verify the correct model name.

Appendix A - Removing the Rear Cover

Appendix C - Replacing the LCD Panel

SPECIFICATIONS

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