LG 55UB8500-UA Service Manual page 99

Standard Repair Process
LCD TV
symptom
Identify
nose
type
※ Mechanical noise is a natural ※ M
phenomenon, and apply the 1st level
description. When the customer does not
agree, apply the process by stage.
※ Describe the basis of the description
in "Part related to nose" in the Owner's i "P t
Manual.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
Circuit noise mechanical noise Circuit noise, mechanical noise
Check
Circuit
location of
noise noise
noise
Mechanical Check location of
noise noise noise noise
h i l i i t
l t d t " i th O
E. Noise
Replace PSU
l
OR
OR
'
15
Established
date
Revised date Revised date
※ When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description) p p )
※ If there is a "Tak Tak" noise from the
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information, ( y
provide the description)
2013.01.31
15/16 15/16
,
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