47LA6900 (CHASSIS:LJ33B) - LG TV Service Manual (repair manual). Page 74

Read LG 47LA6900 (CHASSIS:LJ33B) Service Manual online

14 / 97
Check 
location of 
noise
Identify 
noise 
type
Circuit 
noise
Replace PSU(with LED driver)
Replace LED driver 
Mechanical 
noise
Check location of 
noise
OR
※ 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)
※ 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 
12/13
LCD  TV
Error
symptom
2012. 12 .21
Standard Repair Process
OR
Page of 97
Display

Click on the first or last page to see other 47LA6900 (CHASSIS:LJ33B) service manuals if exist.