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2022/03/30 00:15:03 (GMT+09:00)
SERVICE MANUAL (COMMON)
ORIGINAL MANUAL ISSUE DATE: 2022.04
Conditions of Use:
(1) Please use this information only for the purpose of performing repair, maintenance and/or configuration services of the Sony products (hereinafter
the "Repair services") under the service agreement entered into with the Sony group company (hereinafter the "Service agreement"). Using this
information for any purpose other than the purpose described foregoing is forbidden.
(2) Only the Authorized Servicer's officers, employees or subcontractors (including their officers and employees) whose duties justify a need-to-know
and who have agreed to hold confidential this information (collectively hereinafter the "Permitted users") are permitted to access and use this
information. To disclose or disseminate to any person other than the Permitted users is forbidden.
(3) Destroy or erase any and all portion of this information promptly in an irrecoverable and secure fashion after achieving the purpose described in
Section (1) above.
(4) Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part without the prior written
permission of the author.
(Notwithstanding foregoing, it is permitted to copy and distribute this information to the Permitted users.)
(5) Please notify immediately any leakage, loss, theft, misappropriation, or other misuse of this information by e-mail to the following address:
somk-gcs-tissnexim-adm@jp.sony.com
(6) In addition to the above, the terms and conditions of the Service agreement shall be applied to using this information.
Revision of Information:
This information may be changed or updated at any time without any prior notice. Please confirm that this information is up-to-date before using it.
GR2VH CHASSIS
Segment : FM
9-888-904-01
LCD TV
LCD MONITOR
Sony EMCS (M) Sdn. Bhd.,HES-M
© 2022.04
SYS SET
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Summarization of Contents
Safety Precautions and Warnings
General Warnings and Cautions
Covers essential safety instructions for service personnel, including electric shock and carrying precautions.
LCD Panel Handling Safety
Provides critical safety guidelines for handling LCD panels to prevent damage and injury.
Component and Board Handling Safety
Details safety measures for handling electronic boards, including ESD prevention and static discharge.
Lithium Battery Safety
Highlights dangers associated with lithium batteries and proper replacement procedures.
Post-Repair Safety Checks
Outlines necessary safety checks to perform after repair before releasing the unit.
Leakage Current Testing
Explains the procedure and requirements for measuring leakage current to ensure electrical safety.
Earth Grounding Procedures
Guides on how to establish and verify a good earth ground connection for safety.
Lead Free Solder Information
Provides information regarding the use of lead-free solder on circuit boards.
Self-Diagnosis and Error Indicators
Diagnostic Test Indicators
Explains how LED blinking patterns indicate specific error causes and troubleshooting steps.
Service Menu Access and Control
Details the key sequences to access and navigate the television's service mode menus.
Self Diagnosis Display Modes
Describes the information displayed during self-diagnosis, including error timestamps and counts.
Clearing Self Diagnosis History
Provides instructions on how to clear panel operation time and error history logs.
Retry Limitation Settings
Details retry limitations for power key operations based on error occurrences.
Troubleshooting Guide and Error Resolution
Triage Chart for Symptom Analysis
A chart to help identify potential defective parts based on symptoms and error logs.
No Power Fault Diagnosis
Guides through troubleshooting steps for various 'No Power' scenarios and component failures.
LED Blinking Error Code Interpretation
Explains the meaning of different LED blinking patterns to identify specific hardware faults.
No Sound Troubleshooting
Provides diagnostic procedures for issues related to speaker, headphone, audio, tuner, and HDMI no sound.
No Picture Fault Diagnosis
Details troubleshooting steps for 'No Picture' issues across video, tuner, and HDMI inputs.
Input and Control System Errors
Addresses malfunctions related to key switches, IR remote, light sensor, and CAS ID.
Network Connectivity Troubleshooting
Guides on resolving issues with wired and wireless network connectivity and Bluetooth.
Camera and Microphone Malfunctions
Provides steps for troubleshooting built-in microphone and camera (connector types) issues.
Service Mode Operations and Adjustments
Accessing and Navigating Service Mode
Instructions on how to enter and exit the TV's service mode using different remote controls.
Service Control Functions Overview
Summarizes key service functions and their corresponding remote control key sequences.
Software Version Information
Details how to view software versions and main micro information within the service menu.
Serial Number Setting Procedure
Step-by-step guide for setting or editing the television's serial number.
Model Number Configuration
Instructions for selecting and setting the correct model name for the TV unit.
White Balance Adjustment
Explains how to perform white balance adjustments for picture quality.
WB MURA / CUC Data Transfer
Guides on transferring white balance, mura, and CUC data between panel and main board.
USB Software Update Process
Provides instructions for updating the TV's software via a USB memory device.
Factory Data Reset Methods
Details two methods for performing a factory data reset: UI method and force method.
System Block and Connection Diagrams
Main Block Diagram: FM M5 LCD Local Dimming
Illustrates the overall system architecture and signal paths for LCD local dimming.
65-Inch Connecting Diagram
Shows the internal cable connections for a 65-inch model.
75-Inch Connecting Diagram
Illustrates the internal cable connections for a 75-inch model.
85-Inch Connecting Diagram
Details the internal cable connections for an 85-inch model.
Product Handling and Precautions
Proper Holding Positions
Demonstrates correct ways to hold the TV during servicing to prevent damage.
Safe Carrying Positions
Illustrates recommended methods for carrying the TV, including single and multiple person handling.
Correct Resting Positions
Shows how to safely rest the TV during maintenance to avoid stress or damage.
Prohibited Handling Methods
Highlights actions to avoid during servicing, such as improper handling or pressing components.
Restricted Handling Areas
Identifies specific areas on the TV that should not be touched or handled during service.
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