LG LG Component Image Distortion Problem repair tips free download

File name LG_Component_Image_Distortion_Problem_repair_tips.pdf

SERVICE BULLETIN No. : 0IVL20050039 Date : 2005-11-28 Factory Factory Model Suffix Model No. Factory Factory Model Suffix Model No. EKHQ 32LP1DC-UA ALUSLV 32LP1DC ENMX 32LP1DC-UA ALUSLV 32LP1DC EKHQ 32LX3DC-UA ALUSLV 32LX3DC-UA ENMX 32LX3DC-UA ALUSLL 32LX3DC Model ENMX 32LX3DC-UA ALUSLV 32LX3DC EKHQ 32LX3DCS-UA ALUSLV 32LX3DCS-UA ENMX 32LX3DCS-UA ALUSLL 32LX3DCS ENMX 32LX3DCS-UA ALUSLV 32LX3DCS ENMX 32LX3DCS-UA APUSLT 32LX3DCS Buyer Name Buyer Code Buyer Name Buyer Code Buyer Name Buyer Code Buyer LGEUS US000001 LGEAI US000002 EFFECTIVE DATE 2005-11-27 EFFECTIVE FROM(SERIAL NO.) All of range. 32LP1DC-UA, 32LX3DC/S-UA Component Image Distortion Subject Improvement Before Change After Change No. Loc No. Note K-Code Remark Part No DESC./SPEC. Part No DESC./SPEC. Reason Of Change # Problem : After 20~30 min of heat run , component image has distortion in position or size. Sometimes image is shifted or duplicated . The distortion can be induced after changing the resolutions on component mode. Once image distortion is induced, all input image have distortion. # Model : 32LP1DC-UA, 32LX3DC-UA, 32LX3DCS-UA # Cause : IIC data between ADC and CPU are corrupted by the lack of IIC Setup/Hold time. # Corrective action : Change the chip capacitor of IIC from 330pF to 470 pF ( 0CH5471K416, C1310 on Top-side of Digital PCB Ass'y ) 32LX3DC_Component_Image_Distortion_SVC_Guide.pdf ** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL NOTE(**) : INTERCHANGEABILITY CODE KEY-WORD CODE Parts Set Original Early Original or new parts may be used in early or late production sets. 1. To improve performance A Use original parts until exhausted, then stock new parts. 2. To improve productivity New Late Origina