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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

GN1T
CHASSIS
ORIGINAL MANUAL ISSUE DATE: 3/2015
Segment: XFL
Version
Date
Subject
1.0
3/2015
Original manual issue.
LCD TV
9-888-568-01

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Table of Contents

Troubleshooting

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Summarization of Contents

Warnings and Cautions
English Warnings and Cautions
Safety instructions for qualified service personnel.
LCD Panel Handling Precautions
Specific guidelines for safe handling of the LCD panel during repairs.
Safety Check-out Procedures
Leakage Test Procedure
Method to measure AC leakage from exposed metal parts to earth ground.
Earth Ground Verification
How to find and verify a proper earth ground connection for safety checks.
Self Diagnosis Functionality
Diagnostic Test Indicators
Explains LED blinking codes indicating specific error sources.
Self-Diagnostic Screen Display
How to view diagnostic results on the TV screen.
Disassembly Procedures
XBR-43X830C Disassembly Steps
Detailed steps for disassembling the XBR-43X830C model.
XBR-49X830C/835C/837C Disassembly Steps
Disassembly steps for XBR-49X830C, 835C, and 837C models.
Smart Core Disassembly Steps
Specific instructions for disassembling the Smart Core module.
Adjustment Procedures
Entering Service Mode
Instructions for accessing the TV's service menu using remote commands.
Software Version and Model Information
How to check and manage the TV's software and model information.
Serial Number Editing Procedure
Procedure for setting the serial number, noting it can only be done once.
Troubleshooting Guide
Symptom Triage Chart
A diagnostic chart mapping symptoms to potential defective parts.
No Power Troubleshooting
Steps to diagnose and resolve problems where the TV does not power on.
Standby LED Blinking Error Codes
Interpreting LED blinking patterns to identify specific hardware failures.
No Picture Troubleshooting
Troubleshooting steps for diagnosing and fixing no-picture scenarios.
Technical Diagrams
Block Diagrams Overview
Functional block diagrams illustrating internal TV architecture for different regions.
Connector Pinout Diagrams
Detailed diagrams showing connector pin assignments for board interconnections.
Exploded Views of Components
XBR-43X830C Rear Cover Parts
Exploded view of the rear cover assembly for the XBR-43X830C model.
XBR-43X830C LCD Panel Parts
Exploded view of the LCD panel and associated components for XBR-43X830C.
Appendix-1: Software Update Procedures
USB Software Update Guide
Step-by-step instructions for updating TV software via USB.
Software Update for B Board Replacement
Specific software update steps after replacing the B board.
Appendix-3: Handling and Packing Guidance
Unpacking Instructions
Guidelines for safely removing the TV panel from its packaging.
Panel Carrying Procedures
Instructions for carrying the TV panel safely, emphasizing correct handling.

Table of Contents