Kenwood_TK-480_TK-481_维修维护电器原理图手册_2001

800MHz/900MHz FM TRANSCEIVERKENWOODTK480/481SERVICE MANUALREVISED II2001-3 PRINTED IN JAPANB51-8408-20(N1015This service manual applies to products with 30100001 orsubsequent serial numbers.Whip antenna(T90-0636-25):TK-480(T90-0640-25):TK.481Knob (ENC)CONTENTS(K29-5232-03)Knob (VOL)SYSTEM SET-UP.....2(K29-5231-03)OPERATING FEATURES............3REALIGNMENT…11CIRCUIT DESCRIPTION...14Panel assySEMICONDUCTOR DATA........20(A62-0981-04)DESCRIPTION OF COMPONENTS23BadgePARTS LIST...24(B43.1139-04)EXPLODED VIEW.........30PACKING31ADJUSTMENT..........32Knob (PTT)Cabinet assy(K29-5157-03)TERMINAL FUNCTION ......40(A02.3659-03):K2PC BOARD VIEWSDISPLAY UNIT (X54-3210-XX)....................41TX-RX UNIT (X57-5630-XX).....47约00SCHEMATIC DIAGRAM53BLOCK DIAGRAM57LEVEL DIAGRAM (TK-480).59LEVEL DIAGRAM (TK-481)..........60Packing(G53-0841-02):K2KNB-16A/17A (Ni-Cd BATTERY)...................61KPG-36(PROGRAMMING INTERFACE CABLE)..61KSC-19 (CHARGER)....61SPECIFICATIONS.....62CAUTIONPhoto is TK-480/481 K2 type.When using an external power connector,(Produced in Singapore)please use with maximum final module pro-tection of 9V.