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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
SERVICE MANUAL (COMMON)
Conditions of Use
Guidelines for using the service manual for authorized repair and maintenance purposes.
Revision of Information
Statement regarding potential changes or updates to the manual's content without prior notice.
MODEL LISTS
Region and Model Coverage
Specifies regions and models for which this service manual provides common information.
SAFETY NOTES
General Warnings and Cautions
Covers essential safety instructions for service personnel, including electric shock and carrying.
LCD Panel Handling Precautions
Provides critical guidelines for safely handling the LCD panel during repair processes.
Board Handling Precautions
Details measures to prevent damage to circuit boards from stress and ESD.
Lithium Battery Safety
Safety precautions related to the handling and replacement of lithium batteries.
Safety Check-Out and Leakage Test
Procedures for final safety checks and leakage testing before set release.
Earth Grounding and Lead-Free Solder
Information on finding a good earth ground and details about lead-free solder usage.
SELF DIAGNOSIS FUNCTION
Diagnostic Test Indicators
Explains how LED flashes indicate error codes and diagnostic results.
Self Diagnosis Quick Reference
Tables listing error items corresponding to LED blinking counts and recorded errors.
Service Menu Navigation
Instructions for accessing and navigating the self-diagnosis service menu.
Error Timestamp and Data Clearing
Procedures for clearing panel operation time, timestamps, and error counts.
Retry Limitation by Remote/Power Key
Details on retry limits for turning on the set after error shutdowns.
TROUBLESHOOTING
Triage Chart
Flowchart to identify likely defective parts based on symptoms and error codes.
Power Troubleshooting
Guides for diagnosing and resolving 'No Power' issues, covering PSU, u-com, and DDCON/LDO.
LED Blinking Error Codes
Troubleshooting steps based on LED blinking patterns (2x, 3x, 6x, 7x) for various errors.
Audio Troubleshooting
Steps for diagnosing and fixing 'No Sound' issues related to speakers, outputs, tuner, and HDMI.
Video Troubleshooting
Steps for resolving 'No Picture' issues across analog, digital, tuner, and HDMI inputs.
Connectivity Troubleshooting
Guidance for diagnosing and fixing issues with Ethernet, Wi-Fi, and Bluetooth connections.
Input/Control Troubleshooting
Troubleshooting for Key Switch, IR Remote, Light Sensor, and Microphone malfunctions.
SERVICE ADJUSTMENT
Service Mode Navigation
Instructions for entering and operating the TV's service mode.
Software Version and Model Settings
Procedures for checking software version and setting the model number.
Serial Number Editing
Detailed steps for entering and confirming the serial number.
Panel Data Transfer
Process for transferring WB, Mura, and CUC data after board or panel replacement.
Aging Mode and USB Update
Instructions for entering Aging Mode and updating system software via USB.
Factory Data Reset Methods
Guides for performing factory data reset using UI and force methods.
DIAGRAM
Block Diagram: FH M5 LCD Global Dimming 120Hz
Overall block diagram illustrating the main system components and signal paths.
Connecting Diagrams by Screen Size
Wiring diagrams showing connections between boards for different screen sizes (43"-85").
HANDLING GUIDE
Panel Holding and Carrying Positions
Correct methods for holding and carrying the TV panel to prevent damage.
Panel Resting and Prohibited Actions
Guidelines for resting the panel and actions to prohibit during handling.
Restricted Handling Areas
Identifies specific areas on the panel that should not be touched during handling.
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