Samsung Samsung SP-S4243 PDP buzzing noise repair tips free download

File name Samsung_SP-S4243_PDP_buzzing_noise_repair_tips.pdf

SERVICE BULLETIN ELECTRONICS Product : PDP TV Bulletin No. 07-PDP_TV-U002 Model : SPS42**/HPS42**/HPS50** Bulletin Date JAN.29.2007 PL**E7/PL**P7 Buyer : AMERICA Subject : 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. 1. Before attachment, clean the cover-rear 2. Don't cover up the screw hole 3. Attach from the starting point of the round edge < Caution> Watch out the interference with the bracket and don't overlap with the screw hole Starting point of Round Ed HPS50**X/XAA The fabric part code : AA63-60131F (Spacer Felt, 280*50*0.5T) The fabric length is 280mm. So you need to make the length on the above pictrue with two pieces 2 The methode of attaching Damping Sheet Be sure to separate the power cord before disassembling the unit. 1. Remove 4 screws and then pull the stand down to remove it from the unit. Please lay the PDP unit face down on a soft surface when removing the stand. 2. Remove 4 screws( ), 14 screws( ) and 4 screws( ). Remove the Rear Cover. 3. Remove 8 screws for removing 2 wall brackets. Y- X- 4. Atta