Sony KD-43X7 G Series - User Manual

SERVICE MANUAL (COMMON)
ORIGINAL MANUAL ISSUE DATE: 2019.04
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9-888-770-01
LCD TV
Sony EMCS (M) Sdn. Bhd., SVPM
© 2019.04
GN5UN CHASSIS
Segment : SG
(See next page for revision )
SYSSET
2019/05/0102:23:15(GMT+09:00)

Summary

Safety Notes and Precautions

General Safety Warnings and Cautions

Covers general safety precautions for service personnel and handling the TV.

Panel Handling Safety

Specific guidelines for safely handling LCD and OLED panels during repair.

FFC Replacement Procedures

Detailed procedure and precautions for replacing Flexible Flat Cables (FFC).

Self Diagnostic Function

Diagnostic Indicator Guide

Explains how LED indicators and screen messages signal errors.

LED Failure Code Interpretation

Details error detection, symptoms, and error location based on LED blinking.

Troubleshooting Procedures

Troubleshooting Triage Flowchart

A flowchart to guide diagnosis based on symptoms and color codes.

No Power Troubleshooting (LD Board)

Step-by-step guide to diagnose no-power issues on the LD board.

Main Power Error Diagnosis via LED Blinking

Troubleshooting flow for 2x LED blinking indicating main power errors.

Audio Error Troubleshooting (3 x Blinking)

Diagnosing audio problems indicated by 3x LED blinking.

HDMI No Picture Troubleshooting

Flowchart for diagnosing and resolving no-picture issues via HDMI.

Detailed Audio Troubleshooting Steps

Specific troubleshooting steps for various audio output problems.

Service Adjustments and Settings

Accessing Service Mode

Step-by-step instructions to enter the TV's service mode using the remote.

Accessing Self Diagnosis History

Guide to accessing diagnostic logs and error history via Service Mode.

Serial Number Editing Procedure

Instructions for entering and verifying the TV's serial number in the service menu.

White Balance Adjustment Procedure

Steps for adjusting white balance by modifying R/G/B Gain and Offset.

Tuner Module Detection and Status Check

Procedure to check and confirm the installed tuner module type and status.

Diagrams and Schematics

SG 43;49;55;65 Block Diagram

Block diagram illustrating the main components and connections for SG models.

SG 43;49 Connector Diagram

Detailed diagram showing connector pinouts and board interconnections for SG 43'/49'.

Sony KD-43X7 G Series Specifications