Subject BUZZ NOISE FROM POWER TRANSFORMER
Model Serial Number
Model
OLD NEW
ITEM
LC-65XS1E 808611112 ~ 810611530 811611531~
LC-65XS1RU 809611112 ~ 810611161 811611161~
I
LC-52XS1E 808611112 ~ 810611812 811611813~
LC-52XS1RU 809611112 ~ 810611221 811611222~
II
General Buzz noise may be generated from the transformer on the SUB-1/2/3 Power unit, when the bright
screen is displayed and when OSD is displayed on a dark screen.
Especially, it is noticeable when AV mode is [DYNAMIC] or when [Brightness] on image quality
adjusting MENU is at the maximum level.
Servicing
Parts
If customer complains of the above mentioned noise, check for the serial number of the transformers
on the SUB-1/2/3 Power unit. If any of the transformers have the NG serial number (the 3rd and 4th
digits are U8/V8/W8), replace the transformer with new one.
For details, please follow the instruction sheet of the next page of this technical report.
Parts code
ITEM Ref No. Description
OLD Q’ty NEW Q’ty
*Interchangeability
SUB-1 POWER Unit RDENCA330WJQZ
I △！ T5801 Transformer
95K854015013
(U8/V8/W8)
1 95K854015013 1 C
SUB-1 POWER Unit RDENCA305WJQZ
II △！ T5801 Transformer
95K854015013
(U8/V8/W8)
1 95K854015013 1 C
SUB-2 POWER Unit RDENCA306WJQZ
I/II △！ T6801 Transformer
95K854015013
(U8/V8/W8)
1 95K854015013 1 C
SUB-3 POWER Unit RDENCA307WJQZ
