Check
location of
noise
Identify
nose
type
Circuit
noise
Replace PSU
Mechanical
noise
Check location of
noise
※
When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description)
※
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,
provide the description)
OR
※
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.
E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
12/14
Error
symptom
Standard Repair Process
12
Copyright © 2019 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
Summary of Contents for 55UT672M0UC
Page 59: ......
