Sony KD-55X95 G Series User manual

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SERVICE MANUAL (COMMON)
ORIGINAL MANUAL ISSUE DATE: 2019.01 GN5UR CHASSIS
Segment : SB
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:
[e-mail]
(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.
9-888-762-01
LCD TV
Sony EMCS (M) Sdn. Bhd., SVPM
©2019.01
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Version Date Subject
12019.01 1. 1st Issue
REVISIONHISTORY
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THIS SERVICE MANUAL CONTAINS COMMONINFORMATION FOR BELOW REGIONS AND MODELS:
REGION
ASIA AMERICA EUROPE CHINA JAPAN
MODEL
KD-55X95*G
KD
-65X95*G
KD
-75X95*G
KD
-85X95*G
KD-55XG95*
KD
-65XG95*
KD
-75XG95*
KD
-85XG95*
KJ-55X95*G
KJ
-65X95*G
KJ
-75X95*G
KJ
-85X95*G
XBR-55X95*G
XBR
-65X95*G
XBR
-75X95*G
XBR
-85X95*G
MODEL LISTS
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TABLE OF CONTENTS
Section Title Page
1SAFETY NOTES 5
2SELF DIAGNOSTIC FUNCTION 13
3TROUBLE SHOOTING 18
4SERVICE ADJUSMENT 75
5DIAGRAMS 86
6PANEL HANDLING 91
Note: Pictures provided in this manual may have difference from actual sets
Please refer Service Manual –Unique for below
information :
Disassembly and Removal Caution
Wire Dressing
Circuit Board Location
Exploded Views and Part Lists
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5
SECTION 1
SAFETY NOTES
Whenevera TV Mainboard is replaced, the correctTV ModelandSerial
number must be reinserted into memory.
This is a MANDATORY procedure thateach service center must apply.
Please referto the chapter of ADJUSTMENT in this service manual to
findouthow to set the modelnumberand serial number in service mode.
1-2-1. Caution Handling of LCDPanel
When repairing the LCDPanel, make sure you are grounded with a wrist
band.
When repairing the LCDPanel on the wall, the panel must be secured
using the 4 mountingholes on the rear cover.
1)Do not press the panel or frame edge to avoid the risk of electric
shock.
2) Do not scratch or press on the panel with any sharp objects.
3) Do notleave the moduleinhigh temperature or in areas of high
humidity for an extendedperiod of time.
4) Do not expose the LCDpanel to direct sunlight.
5) Avoid contact with water. It may cause short circuit within the module.
6)Disconnect the AC power when replacing the backlight (CCFL)or
inverter circuit. (High voltage occurs at the inverter circuitat650Vrms)
7) Always clean the LCDpanel with a soft cloth material.
8) Use care whenhandling the wires or connectors of the inverter circuit.
Damaging the wires may cause a short circuit.
9) Protect the panel from ESD to avoid damaging the electronic circuit
(C-MOS).
1-1. WarningsandCaution
1)CAUTION :These servicing instructions are for use by qualified service
personnel only.
2)To reduce the risk of electric shock, do notperformany servicing other than
that contained in the operatinginstructionsunless you are qualified to do so.
3)WARNING!!:An isolation transformer should be used duringany service
to avoidpossible shock hazard, because of live chassis. The chassis of this
receiver is directly connected to the ac power line.
The replaceable fuse could be in the neutral of the mains supply. When
replacing the fuse, the mains shall be disconnected forde-energize the phase
conductors.
(*Except AC ADAPTOR, Because it doesnot carry out replacing an internal
fuse.)
4)CARRYING THE TV : Be sure to follow these guidelines to protect your
propertyand avoid causing seriousinjury :
•Carry the TV with an adequate number of people; larger size TVs require
two or more people.
•Correct handplacement while carrying the TV is very importantfor
safety and to avoiddamages.
5) SAFETY-RELATED COMPONENT WARNING!! : Components identified
by shadingand ! mark on the exploded views, and in the parts list are critical
for safe operation. Replace these components with Sonyparts whose part
numbers appear as shown in this manual or in supplements published by
Sony. Circuit adjustments that are critical for safe operation are identified in
this manual. Follow these procedures whenever critical components are
replaced or improperoperation is suspected.
6) IMPORTANT REMINDER FOR TV MAINBOARD REPLACEMENT :
It is mandatoryfor service centers to confirmthe TV‘s system informationafter
each repair carriedout with Mainboard replacement.
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