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26罗8KENWOOD4C DSCNMONKey topPanel assy(K29-5284-021(A62-0991-03)CONTENTSADJUSTMENT.…43OPERATING FEATURES...PC BOARD VIEWSREALIGNMENT…13PLL/VC0(X58-4530-XX.50TX-RX UNIT (X57-6520-XX)(A/2)..51CIRCUIT DESCRIPTION25TX-RX UNIT (X57-6520-XX)(B/2)............57SEMICONDUCTOR DATA..29SCHEMATIC DIAGRAM61DESCRIPTION OF COMPONENTS.30BLOCK DIAGRAM.69PARTS LIST.........32LEVEL DIAGRAM.....72EXPLODED VIEW.........41TERMINAL FUNCTION74PACKING42