Sony KD-55A9G - User Manual

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SERVICE MANUAL (COMMON)
ORIGINAL MANUAL ISSUE DATE:
2019.04
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.
9-888-771-01
LCD TV
Sony EMCS (M) Sdn. Bhd., SVPM
© 2019.04
GN5UR CHASSIS
Segment: SP
SYSSET
2019/04/1901:55:00(GMT+09:00)

Summary

Safety and Handling Precautions

General Warnings and Cautions

Covers general safety advice, electric shock risks, and handling guidelines for service personnel.

Panel and Component Handling Safety

Specific precautions for handling LCD/OLED panels and critical safety-related components.

Electrical Safety and Grounding Procedures

Guidelines for leakage testing, finding good earth ground, and battery safety precautions.

Self-Diagnostic Functions

LED Blinking Error Code Reference

Quick reference for Smart Core Red LED blinking counts and their corresponding error causes.

Error Item and Record Quick Reference

Detailed error item references for non-LED blinking error logs recorded by the system.

Service Mode Access and Control Summary

Instructions on entering, exiting, and navigating the self-diagnosis service menu and controls.

Troubleshooting Guides

Symptom-Based Triage Chart and Color Codes

Chart to identify likely defective parts based on symptoms, color codes, and error types.

Power Supply and LED Error Troubleshooting Flows

Step-by-step guides for diagnosing power failures, LED error codes, and specific board issues.

Audio, Video, and Connectivity Troubleshooting

Diagnostic flows for issues related to sound, picture, tuner, HDMI, and network connectivity.

Service Adjustments and Configuration

Service Mode Navigation and Entry Procedures

Guide on how to enter and navigate the TV's service mode for adjustments and settings.

Model and Serial Number Configuration

Procedures for editing model and serial numbers within the service menu for correct identification.

Panel Data Transfer Procedures (WB;Mura;CUC)

Instructions for transferring WB, Mura, and CUC data for LCD and OLED panels.

Diagrams and Connector Information

BM3 J19 Board Block Diagram

Visual representation of the BM3J19 board's main components and their interconnections.

Connector Pin Assignments for SP Models

Diagrams detailing connector pinouts for SP55, SP65, and SP77 models for physical connections.

Sony KD-55A9G Specifications

General

Screen Size	55 inches
Display Type	OLED
HDR Support	HDR10, HLG, Dolby Vision
Smart TV	Yes
Operating System	Android TV
HDMI Ports	4
USB Ports	3
Processor	Picture Processor X1 Ultimate
Ethernet	Yes
Resolution	3840 x 2160 (4K)
Smart Features	Google Assistant, Chromecast
Wi-Fi	Yes
Bluetooth	Yes (v4.2)
Dimensions (W x H x D) without stand	1228 x 706 x 46 mm