Sharp CD-PC1881V Service Manual

Also see for CD-PC1881V: Service manual

Contents

– 1 –CD-PC1881VNo. S0961CDPC1881CD-PC1881V• In the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified beused.SERVICE MANUALThis document has been published to be usedfor after sales service only.The contents are subject to change without notice.SHARP CORPORATIONCD-PC1881V Video CD Mini System consisting of CD-PC1881V(main unit), CP-C881 (front speakers), CP-SW881 (sub woofer),GBOXS0026AWM1 (center speaker) and GBOXS0027AWM1(surround speakers).CONTENTS PageSAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2VOLTAGE SELECTION ..................................................................................................................................................... 2AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................. 2SPECIFICATIONS .............................................................................................................................................................. 3NAMES OF PARTS ........................................................................................................................................................... 4OPERATION MANUAL ...................................................................................................................................................... 7DISASSEMBLY .................................................................................................................................................................. 8REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 11ADJUSTMENT ................................................................................................................................................................. 12BLOCK DIAGRAM ........................................................................................................................................................... 15SCHEMATIC DIAGRAM .................................................................................................................................................. 18VOLTAGE ........................................................................................................................................................................ 30WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 31NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 38TYPES OF TRANSISTOR AND LED............................................................................................................................... 38WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 39TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 40FUNCTION TABLE OF IC ................................................................................................................................................ 44FL SEGMENT ................................................................................................................................................................... 56PARTS GUIDE/EXPLODED VIEWNTSC/PALManufactured under license from Dolby Laboratories LicensingCorporation.DOLBY, the double-D symbol and “PRO LOGIC” aretrademarks of Dolby Laboratories Licensing Corporation.