Denon-PRA2000-pre-维修说明书手册含电器原理图

DENONHi-Fi Component Pre AmplifierSERVICE MANUALMODEL PRA-2O▣▣4CONTENTSSPECIFICATIONS,,,·1BLOCK DIAGRAM,,,,,,,,,,。,,,,,,,,,,,,·,·,···1METHODE OF ADJUSTMENT..EXPLODED VIEW OF CHASSIS AND CABINET,,,..,,,,..,.,,,,··,·,,3EXPLODED OF PARTS LIST..4PRINTED CIRCUIT BOARD PATTERNS AND PARTS LISTE0.AMP UNIT ETC.3441,,,,..,,,,.,,,,,,·5~8POWER SUPPLY UNIT ETC-344-29FLAT AMP UNIT ETC-299-110.11MC AMP UNIT ETC-299-112~14INPUT UNIT ETC-298-3...1qPRESET,BALANCE UNIT ETC-2992-2,ETC-299-3......15,16BALANCE UNIT ETC-299-3.16SWITCH UNIT ETC-298-117PUSH SWITCH LED UNIT ETC-298-2.20WIRING DIAGRAM..............18.19NIPPON COLUMBIA CO.,LTD