LG 32LC7R--32LC51--32LC52 free download

File name LP78A Ch_32LC7R_32LC51_32LC52_.pdf

website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LP78A MODEL : 32LC7R MODEL : 32LC51 MODEL : 32LC52 CAUTION 32LC7R-ZA 32LC51-ZA 32LC52-ZC BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. R CONTENTS CONTENTS ... 2 SAFETY PRECAUTIONS ...3 SPECIFICATION ...6 ADJUSTMENT INSTRUCTION ...9 TROUBLE SHOOTING ...17 BLOCK DIAGRAM...25 EXPLODED VIEW ... 26 EXPLODED VIEW PARTS LIST ...27 REPLACEMENT PARTS LIST ... 28 SVC. SHEET ... -2- SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1. Always unplug the receiver AC power cord from the AC power source before; a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver. CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard. 2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe. Do not test high voltage by "drawing an arc". 3. Do not spray chemicals on or near this receiver or any of its assemblies. 4. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable non-abrasive applicator; 10% (by volume) Acetone and 90% (by volume) isopropyl alcohol (90%-99% strength) CAUTION: This is a flammable mixture. Unless specified otherwise in this service manual, lubrication of contacts in not required. 5. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this service manual mi