Circuit Noise, Mechanical Noise - LG 49LF620V Service Manual

Standard Repair Process
Error symptom
Identify
nose type
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Only for training and service purposes

Circuit noise, mechanical noise

Circuit Check location
noise of noise
Check location of
Mechanical
noise
noise
※ 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
Replace Power B/D
※ 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
(For models without any fix information, provide
the description)
Established
date
Revised date
13/14
LGE Internal Use Only