kenwood_tk980-981_维修手册电器原理图

800MHz/900MHz FM TRANSCEIVERTK-980/981KENWOODSERVICE MANUALSUPPLEMENT@2001-9 PRINTED IN JAPANB51-8588-00(N)1016This service manual applied to products with 30600001 or subsequent serial numbers.In terms of the products with the serial numbers earlier than 30600001,refer to the TK-980/981 service manual as perpart No.B51-8478-10.Microphone(T91-0621-05)油268KENWOOD4C DSCNMONKey topPanel assyK29-5284-02)(A62-0991-03)CONTENTSGENERAL2ADJUSTMENT.…43OPERATING FEATURES...PC BOARD VIEWSREALGNMENT13PLL/VC0(X58-4530-XXW.50INSTALLATION16TX-RX UNIT(X57-6520-XX(A/2).51CIRCUIT DESCRIPTION.25TX-RX UNIT (X57-6520-XX)(B/2)...................57SEMICONDUCTOR DATA.29SCHEMATIC DIAGRAM.61DESCRIPTION OF COMPONENTS.30BLOCK DIAGRAM…69PARTS LIST............32LEVEL DIAGRAM.......72EXPLODED VIEW.…41TERMINAL FUNCTION…74PACKING…42SPECIFICATIONS...75