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2022/04/19 01:21:05 (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 : FH
9-888-905-01
LCD TV
LCD MONITOR
Sony EMCS (M) Sdn. Bhd.,HES-M
© 2022.04
SYS SET
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Summarization of Contents
Safety Notes
Warnings and Cautions
General safety instructions for service personnel, including shock hazards and handling precautions.
LCD Panel Handling Precautions
Guidelines for safely handling and repairing LCD panels, emphasizing grounding and avoiding pressure.
Image Retention Prevention
Methods to reduce the risk of image retention, such as changing screen modes and avoiding static images.
Board Handling Precautions
Precautions for handling electronic boards, focusing on stress and static electricity damage.
ESD Protection Measures
Measures for Electrostatic Discharge protection, including wrist straps and ESD cushion usage.
Lithium Battery Safety
Safety warnings concerning the handling and replacement of lithium batteries.
Safety Check-Out and Leakage Test
Final safety checks before unit release and procedure for leakage current testing.
Grounding and Lead-Free Solder Information
Guidelines for finding a good earth ground and information on lead-free solder.
Self Diagnosis Function
Diagnostic Test Indicators
Indicators used for self-diagnosis, including LED blinking patterns.
LED Blinking Error Codes
Reference for LED blinking counts and corresponding error items.
Non-LED Blinking Error Codes
Reference for diagnostic codes that are not indicated by LED blinking.
Service Mode Navigation
Steps to enter and navigate the self-diagnosis service menu.
Self Diagnosis Data Management
Procedures for clearing panel operation time, timestamps, and error counts.
Retry Limitations by Remote/Power Key
Limitations and conditions for retrying operations via remote or power key.
Troubleshooting
Triage Chart
A chart guiding troubleshooting based on symptoms and error codes.
No Power - PSU Troubleshooting
Troubleshooting steps for no power issues related to the Power Supply Unit.
No Power u-com Failure Diagnosis
Troubleshooting steps for no power issues caused by u-com failure.
No Power DDCON/LDO Issues
Troubleshooting for no power problems related to DDCON and LDO circuits.
No Power Muffin5 Failure
Troubleshooting flow for Muffin5 failure resulting in no power.
LED Blinking Error Diagnosis
Troubleshooting guide based on LED blinking patterns and error codes.
No Sound Troubleshooting
Steps to diagnose and resolve issues with no sound from speakers or audio outputs.
No Picture Troubleshooting
Investigation flow and actions for resolving no picture issues.
Tuner No Picture Issues
Troubleshooting steps for no picture when using the TV tuner.
HDMI No Picture Issues
Troubleshooting steps for no picture on HDMI inputs.
Button and Sensor Errors
Troubleshooting for key switch, IR remote, and light sensor errors.
Network Connectivity Issues
Troubleshooting for wired and wireless network connection problems.
Microphone Malfunction
Troubleshooting steps for built-in microphone malfunction.
Service Adjustment
Service Control Summary
Overview of service control functions and key sequences.
Entering Service Mode
Step-by-step guide on how to access the service mode.
Software Version Information
Details on software versions and how to check them.
Serial Number Editing
Procedure for editing the unit's serial number.
Model Number Setting
Procedure for setting the correct model number.
Panel/PQ Adjustments
Procedures for White Balance and other panel quality adjustments.
Data Transfer Procedures
Procedures for transferring WB, Mura, and CUC data.
Aging Mode Operation
Steps to enter and exit aging mode for testing purposes.
Software Update via USB
Instructions for updating the TV's software using a USB drive.
Factory Data Reset (UI Method)
Steps for performing a factory data reset using the TV's user interface.
Factory Data Reset (Force Method)
Procedure for factory data reset using a force method without the UI.
Diagrams
System Block Diagram
Block diagram illustrating the TV's main components and signal paths.
43" Connecting Diagram
Connection diagram for 43-inch TV models.
50" Connecting Diagram
Connection diagram for 50-inch TV models.
55" Connecting Diagram
Connection diagram for 55-inch TV models.
65" Connecting Diagram
Connection diagram for 65-inch TV models.
75" Connecting Diagram
Connection diagram for 75-inch TV models.
85" Connecting Diagram
Connection diagram for 85-inch TV models.
Handling Guide
Panel Holding Positions
Correct and incorrect methods for holding the TV panel.
Panel Carrying Positions
Correct and incorrect methods for carrying the TV panel vertically.
Panel Carry Conditions
Correct and incorrect carry conditions for the TV panel.
Panel Carry Conditions (Corners)
Correct and incorrect methods for carrying the TV panel by its corners.
Panel Resting and Prohibited Methods
Correct resting positions and prohibited handling methods for the panel.
Restricted Handling Areas
Identifies restricted areas on the panel that should not be touched.
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