Denon-PMA725R-int-维修说明书手册含电器原理图

DENONHi-Fi Integreted Stereo AmplifierSERVICE MANUALMODEL PMA-925R/725RINTEGRATED STEREO AMPLIFIER88ooboPMA-925Ro8oooo0068ōPMA-725RCONTENTSOPERATING INSTRUCTIONS.............,.....,,,,,,,,,,2-7REMOVALOFEACH SECTION..................................................................89FUNCTION OF NEW CIRCUIT.101METHODOF ADJUSTMENTS....................................................BLOCKANDLEVELDIAGRAM...................................................................SEMICONDUCTORS14.15PRINTED WIRING BOARD16-NOTE FOR PARTS LIST..PARTS LIST OF P.W.B.ASSY29PMA925R..............................................................................20PMA-725R3-25EXPLODED VIEW OF CHASSIS AND CABINET,PARTS LIST OF EXPLODED VIEW.....................26-29PMA925R.…26,27PMA-725R...28,29NIRING DIAGRAM..:…0SCHEMATICDIAGRAM.......................................................................31-34PMA-925R,,……….31,32PMA725R..33,34NIPPON COLUMBIA CO,LTD.