Subject HIGH FREQUENCY NOISE FROM POWER UNIT
Model LC-42XD1E
General In some unit, high frequency noise may be heard from the switching transformer T7901 on the power unit
(RDENCA209WJQZ) during operation.
Servicing
To reduce this noise, please change the ceramic capacitor C7923 from 2200pF to 0.086μF
(9NK1512482132) as shown in the next page.
Parts Ref. Parts code
No. Description
OLD NEW
Q’ty
Interchangeability
Price
code
C7923 Ceramic Capacitor,
( 0.068μF/500V/X7R ) 9NK1512446132 9NK1512482132 1 C AP
Interchangeability
A: Completely interchangeable.
B: Interchangeable from OLD to NEW.
C: Interchangeable from NEW to OLD.
D: Not interchangeable.
