哈曼卡顿Harman-Kardon-FL-8450-维修手册

The Harman KardonModel FL8450Manual ACOMPACT DISC CHANGERTechnical Manualharman/kardon FL8450酸06606■CONTENTS■LASER BEAM SAFETY PRECAUTIONS ...........2TROUBLESHOOTING…25BEFORE REPAIRING THE COMPACT DISCPRINTED CIRCUIT BOARDS.........34P%AYER…3GENERAL UNIT EXPLODED VIEW................37LEAKAGE TEST…4GENERAL UNIT PARTS LIST................44SPECIFICATIONS…5ELECTRICAL PARTS LIST..................46CONTROL AND FUNCTIONS..................IC FUNCTIONAL BLOCK DIAGRAM4…50BLOCK DIAGRAM…9PACKAGE44…56DISASSEMBLY INSTRUCTIONS.........11NIRING DIAGRAM…57PICKUP REPLACEMENT.................13SCHEMATIC DIAGRAM…58CIRCUIT DESCRIPTION........................15TRANSISTOR AND DIODE LEADALIGNMENT AND ADJUSTMENT .................2IDENTIFICATION..................59DANGER:Invisible laser radiation when open and interlock failed or defeated.AVOID DIRECT EXPOSURE TO BEAM.harman/kardonParts and Service Office80 Crossways Park West,Woodbury,N.Y.117971112-FL8450A P9502 1500 Printed in KoreaS D.M12 -F 84S