Sharp MD-DR470HS Service Manual

Also see for MD-DR470H: Quick start guide Operation manual Operation guide Quick start guide

MD-DR470H/MD-DR480HCONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2SPECIFICATIONS ............................................................................................................................................................ 3NAMES OF PARTS .......................................................................................................................................................... 5DISASSEMBLY ................................................................................................................................................................. 6REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 7ADJUSTMENT .................................................................................................................................................................. 8BLOCK DIAGRAM .......................................................................................................................................................... 25SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 26VOLTAGE ....................................................................................................................................................................... 37NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 38TYPES OF TRANSISTOR AND DIODE ......................................................................................................................... 38WAVEFORMS OF MD CIRCUIT .................................................................................................................................... 39TROUBLESHOOTING .................................................................................................................................................... 41FUNCTION TABLE OF IC ............................................................................................................................................... 44PARTS GUIDE/EXPLODED VIEWPACKING METHOD (MD-DR470H FOR U.K. ONLY)SERVICE MANUALSHARP CORPORATIONNo. S1309MDR470HSThis document has been published to be usedfor after sales service only.The contents are subject to change without notice.• In the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified beused.Illustration: MD-DR470HIllustration: MD-DR480HMD-DR470H(S)MD-DR470H(BL)MD-DR480H(S)MODEL MD-DR480H(BL)1-BIT PORTABLE MINIDISC RECORDER