Model : SPS42**/HPS42**/HPS50** Bulletin Date JAN.29.2007
Service Guide for PDP Buzzing Noise
■ Background
If you can hear the buzzing sound although PDP TV is adjusted volume to "0", please service as the following.
■ Solution
First, need to check what is making a buzzing noise
-> If noise is coming from the vibration of back cabinet, need to attach a spacer felts
-> If noise source is X, Y main board of PDP module, need to attach a damping sheet.
-> If noise source is SMPS, need to change a SMPS board
* Please refer to the follows for each working instruction
* Spacer felts is for the only 50" model, and damping sheet, SMPS is for the both of 42" and 50"
■ How to attatch Damping sheets or Spacer-Felts
1. The methode of attaching Spacer Felts.
Attach two Spacer Felts on the Back-Cover as the below picture.