TM-731A_E_serv维修手册含电器原理图

144/430MHz FM DUAL BANDERTM-731A/EKENWOODSERVICE MANUALC1989-7 PRINTED IN JAPANB51-8015-00(T)1349Knob(K29-3111-041×3Microphone*Metallic cabinet (Top)T91-A01-1076-02KnobK29-3111-04)×3Panel ass'y*(A20-1Knob (SQ)K29-3116-04)COOMN3Knob (AF)K29-3115-04Panel*(A20-KENWOCOKnob(Main)5970(K29-3060-0418525Knob(K29-3112-041×5Knob [Up/Down)Knob (F)Knob [Button]Metallic cabinet (Bottom)K29-3114-041×2K29-3143-04K27-3026-04)×2(A01-1048-021Knob (Sub-Encoder)Knob (Button)Knob (LOW)K29-3145-04)(K27-3028-04K29-3144-04*Refer to parts list on page 25.Photo is TM-731A.CONTENTSCIRCUIT DESCRIPTION.........3CONTROL UNIT (X53-3250-XX)..........................66DESCRIPTION OF ELEMENTS.............17144 MHz TX-RX UNIT (X57-3400-XX)68PARTS LIST........25430 MHz TX-RX UNIT (X57-3390-XX)70EXPLODED VIEW.........50FINAL UNIT (430 MHz)(X45-3340-XX)................72PACKING...............................................52FINAL UNIT (144 MHz)(X45-3340-XX)..................73ADJUSTMENT..53LEVEL DIAGRAM...4TERMINAL FUNCTIONS.......................60SCHEMATIC DIAGRAM........75PC BOARD VIEW/SCHEMATIC DIAGRAMBLOCK DIAGRAM....79144 MHz PLL UNIT(X58-3660-00)(M,W1.63TSU-6 (CTCSS UNIT)..8144 MHz PLL UNIT(X58-3670-101(K,P)64SPECIFICATIONS...........................Back cover430 MHz PLL UNIT(X58-3680-00)65