Denon-PRA1200-pre-维修说明书手册含电器原理图

DENONHi-Fi Stereo PreamplifienSERVICE MANUALFor U.S.A.CANADAand Asia ModelsMODEL PRA-M2▣OSTEREO PREAMPLIFIERCONTENTSSPECIFICATIONSNAMES AND FUNCTIONS OF PARTS·····,.··,,,····,······23CONNECTIONS4BLOCK DIAGRAM...5METHOD OF ADJUSTMENTS.......REMOVAL OF EACH SECTION.............6TROUBLESHOOTING.,,,··SEMICONDUCTORS...67PRINTED WIRING BOARD PATTERNS AND PARTS LISTPRINTED WIRING BOARD PARTS LIST..·..,··.·.··.,810PRINTED WIRING BOARD PATTERNETC9072 E PREAMP UNIT.,·,,.,,..········11WIRING DIAGRAM.,,·.···········12SCHEMATIC DIAGRAM.....1EXPLODED VIEW OF CHASSIS AND CABINET PARTS LIST14ADDENDUM LIST.·.··NIPPON COLUMBIA CO.,LTD.