Denon-DRA425-rec-维修说明书手册含电器原理图

DENONHi-Fi AM-FM Stereo ReceiverSERVICE MANUALFor EUROPEAN,U.K.AND OTHER ModelsMODEL DRA-625/425AM-FM STEREO RECEIVERDRA-625DRA-425TABLE OF CONTENTSPRECAUTIONS FOR INSTALLATION............................................2ADVICE F0RUSE.…2SPECIFICATIONS3NAME OF EACH PART,·....··.·..4,5ANTENNA INSTALLATION CONNECTIONS.........6BL0 CK DIAGRAM(DRA-625/425)....·.··7REMOVAL OF EACH SECTION8,9METHOD OF ADJUSTMENTS..,....··,,.·10,11CONNECTION DIAGRAM OF MEASURING INSTRUMENTS11SEMICONDUCTORS....,,..·.,,.··12~15PRINTED WIRING BOARD PATTERNS AND PARTS LIST1U-1596 MAIN UNIT P.W.BOARD (DRA-625).........................161U-1606 MAIN UNIT P.W.BOARD (DRA-425)171U-1597 AZ (DRA-625),1U-1597A (DRA-425)DISPLAY UNIT P.W.BOARD181U-1596 MAIN UNIT PARTS LIST (DRA-625)....................19.201U-1606 MAIN UNIT PARTS LIST (DRA-425)...................................201U-1597AZ(DRA-625),1U-1597A (DRA-425)DISPLAY UNIT PARTS LIST21EXPLODED VIEW OF CHASSIS AND CABINET PARTS LISTPARTS LIST OF EXPLODED VIEW (DRA-625/425,Europe Black Version)................22PARTS LIST OF EXPLODED VIEW(DRA-625/425 Europe Gold Version).·.,,.·.··.,.23EXPLODED VIEW OF CHASSIS AND CABINET(DRA-625/425)..,...·.·.·,,.·.·.3W1 RING DIAGRAM(DRA-625/425)..,.············24SCHEMATIC DIAGRAM (DRA-625)SCHEMATIC DIAGRAM(DRA-425).··.·26NIPPON COLUMBIA CO.,LTD.