Denon-PRAS1-pre-维修说明书手册含电器原理图

DENONHi-Fi Pre AmplifierSERVICE MANUALMODEL PRA-S1PRE AMPLIFIERCONTROL UNITPOWER UNITCONTENTSOPERATING INSTRUCTIONS,,,,2-8(INCLUDED BLOCK DIAGRAM,LEVEL DIAGRAM AND SPECIFICATIONS)DISASSEMBLY ...........................................................................9-12ADJUSTMENT.............................................................................13.14SEMICONDUCTORS..............................................15.16PRINTED WIRING BOARD…17-22PARTS LIST OF PRINTED WIRING BOARD....................................................23-34PARTS LIST OF PACKING&ACCESSORIES.......................................................3PARTS LIST OF EXPLODED VIEW (CONTROL UNIT)6EXPLODED VIEW(CONTROL UNIT）..…37EXPLODED VIEW (POWERUNI)................................................................PARTS LIST OF EXPLODED VIEW (POWER UNIT)................................................39CONNECTOR PIN FUNCTION (CONTROL UNIT):...:..............................................40WIRING DIAGRAM(CONTROLUNIT).............................................................41WIRING DIAGRAM (POWER UNID ...............................................................,42CONNECTOR PIN FUNCTION (POWER UNIT)..........42SCHEMATIC DIAGRAM ...................................................................43-46NIPPON COLUMBIA CO..LTD.