LC-42FE32

LCD TELEVISION LC-42FE32 http://www.Datasheet4U.com CONTENTS Safety precautions………………………………………………………………………..… 1 Alignment instructions …………………………….…….………………………………… 3 Working principle analysis of the unit……………………………….………….………….7 Block diagram …………………………………..………………………………….………… 9 IC block diagram………………………………………………………………………..……10 Wiring diagram ……………………………………………………………………………. 17 Troubleshooting….…..………………………………………………………………..…… 19 Schematic diagram………………………………………………………………………… 29 APPENDIX-A: Assembly list APPENDIX-B: Exploded View Attention: This service manual is only for service per sonnel to take reference with. Before servicing please read the following points carefully. Safety precautions 1. Instructions Be sure to switch of f the power supply bef ore replacin g or weldin g any component s or inserting/plugging in co nnection wire Anti static measures to be take n (throughout the entir e production process!): a) Do not touch here and there by hand at will; b) Be sure to use anti static electric iron; c) It’s a must for the welder to wear anti static gloves. Please refer to the detailed list before replacing components that have special safety requirements. Do not change the specs and type at will. 2. Points for attention in servicing of LCD 2.1 Screens are different from one model to another and therefore not interchangeable. Be sure to use the screen of the original model for replacement. 2.2 The op eration volt age of LCD screen is 700-825V . Be sure t o t ake prop er ...