LG Electronics L1733TR, L1933TR service manual

Contents

Main CONTENTS SPECIFICATIONS PRECAUTION WARNING Leakage Current Hot Check Circuit CAUTION SERVICING PRECAUTIONS Page Page TIMING CHART VIDEO SYNC MODE DISASSEMBLY-Set Page Page DISASSEMBLY-Stand BLOCK DIAGRAM LIPS BLOCK DIAGRAM-POWER POWER INVERTER DESCRIPTION OF BLOCK DIAGRAM LIPS Board Block Diagram PRIMARY SECONDARY Operation description_LIPS ADJUSTMENT E Figure 1. Cable Connection F B SERVICE OSD TROUBLESHOOTING GUIDE 1. NO POWER 2. NO RASTER (OSD IS NOT DISPLAYED) LIPS 3. NO RASTER (OSD IS NOT DISPLAYED) MSTAR 4. TROUBLE IN DPM 5. POWER 6. Raster WIRING DIAGRAM EXPLODED VIEW EXPLODED VIEW PARTS LIST Ref. No. Part No. Description REPLACEMENT PARTS LIST ICs MAIN BOARD CAPACITORS DIODEs FILTERs TRANSISTOR RESISTORs OTHERs CONTROL BOARD POWER BOARD CAPACITORS DIODEs TRANSISTORs & ICs RESISTORs TRANSFORMER OTHERs