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Standard Repair Process
Error
Monitor Signage
symptom
Identify
noise
type
Mechanical
※ Mechanical noise is a natural
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 Manual.
Circuit noise, mechanical noise
Check
Circuit
location of
noise
noise
Check location of
noise
noise
E. Noise
Replace PSU(with LED driver)
OR
Replace LED driver
※ When the nose is severe, replace the module
(For models with fix information, upgrade the S/W or
provide the description)
OR
※ 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
OR
(For models without any fix information, provide
the description)
10
Established
date
Revised date
Copyright ⓒ 2017 LG Electronics Inc. All rights reserved.
Only training and service purposes.
10/11
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