Sharp XL-30H Service Manual

– 1 –XL-30H/30WCONTENTS PageSAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2IMPORTANT SERVICE NOTES (XL-30H FOR U.K. ONLY) ............................................................................................ 3VOLTAGE SELECTION (FOR XL-30W) ........................................................................................................................... 3AC POWER SUPPLY CORD AND AC PLUG ADAPTOR (FOR XL-30W) ....................................................................... 3SPECIFICATIONS ............................................................................................................................................................ 4NAMES OF PARTS .......................................................................................................................................................... 5OPERATION MANUAL ..................................................................................................................................................... 6DISASSEMBLY ............................................................................................................................................................... 10REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................. 11ADJUSTMENT ................................................................................................................................................................ 13TEST MODE ................................................................................................................................................................... 14ERROR LIST .................................................................................................................................................................. 18NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 19TYPES OF TRANSISTOR AND LED .............................................................................................................................. 19BLOCK DIAGRAM .......................................................................................................................................................... 20SCHEMATIC DIAGRAM ................................................................................................................................................. 24WIRING SIDE OF P.W.BOARD ...................................................................................................................................... 30WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 37TROUBLESHOOTING .................................................................................................................................................... 38FUNCTION TABLE OF IC .............................................................................................................................................. 44LCD SEGMENT .............................................................................................................................................................. 52PARTS GUIDE/EXPLODED VIEWPACKING METHOD (XL-30H FOR U.K. ONLY)XL-30HSERVICE MANUALSHARP CORPORATIONNo. S5046XL30HW//• In the interests of user-safety the set should be restored to its originalcondition and only parts identical to those specified should be used.This document has been published to be usedfor after sales service only.The contents are subject to change without notice.XL-30H Micro Component System consisting of XL-30H (main unit)and CP-XL40H (speaker system).Illustration: XL-30H XL-30W Micro Component System consisting of XL-30W (main unit)and CP-XL40H (speaker system).Illustration: XL-30W• Note for users in U.K.Recording and playback of any material may require consent,which SHARP is unable to give. Please refer particularly to theprovisions of Copyright Act 1956, the Dramatic and MusicalPerformers Protection Act 1956, the Performers Protection Acts1963 and 1972 and to any subsequent statutory enactments andorders.XL-30WMODELMICRO COMPONENT SYSTEMMODELAll manuals and user guides at all-guides.comall-guides.com