Sharp LC-19SK25U-W Service Manual

Also see for AQUOS LC-19D45U: Operation manual User guide Service manual

In the interests of user-safety (Required by safety regulations in some countries) the set should be re-stored to its original condition and only parts identical to those specified should be used.MODELThis document has been published to be used forafter sales service only.The contents are subject to change without notice.LCD COLOR TELEVISIONCONTENTSﾈ IMPORTANT SERVICE SAFETY PRECAUTION ..........................................................................................2ﾈ SPECIFICATIONS .........................................................................................................................................5ﾈ OPERATION MANUAL ..................................................................................................................................7ﾈ DIMENSIONS ..............................................................................................................................................11ﾈ REMOVING OF MAJOR PARTS .................................................................................................................13ﾈ ADJUSTING PROCEDURE OF EACH SECTION ......................................................................................18ﾈ PUBLIC MODE SETTING PROCEDURE ...................................................................................................40ﾈ TROUBLESHOOTING TABLE .....................................................................................................................45ﾈ MAJOR IC INFORMATIONS .......................................................................................................................53ﾈ BLOCK DIAGRAM.......................................................................................................................................54ﾈ OVERALL WIRING DIAGRAM ....................................................................................................................56ﾈ DESCRIPTION OF SCHEMATIC DIAGRAM ..............................................................................................58ﾈ SCHEMATIC DIAGRAMRC/LED Unit ..............................................................................................................................................59MAIN Unit ..................................................................................................................................................60SUB Unit ....................................................................................................................................................78POWER_INVERTER Unit ..........................................................................................................................84KEY Unit ....................................................................................................................................................86ﾈ PRINTED WIRING BOARD ASSEMBLIES .................................................................................................87ﾈ REPLACEMENT PARTS LIST...................................................................................................................105ﾈ PACKING OF THE SET .............................................................................................................................124PageN38B2LC19K25UThe revised edition added the schematic of SUB3(sound) after Page 81.LC-19SK25ULC-19SK25U-WLC-19SB25ULC-19SB25U-WLC-19SB15ULC-19D45URevised Edition