TM-731维修电器原理图手册

144/430MHz FM DUAL BANDERTM-731A/EKENWOODSERVICE MANUALC1989-7 PRINTED IN JAPANB51-8015-00T1349KnobK29-3111-041×3Microphone"Metallic cabinet (ToplT91-(A01-1076-02}Knob[K29-3111-04)×328yKnob (SQ]K29-3118-04)Knob (AF)K29-3115-04)PanelA20-Knob (MainyK29.3060-041￥697B9B525KnobK29-3112-04×5Knob (F)Knob [Button)K293143-04]K27.3026-041×2cabinet (Bottom)01-1048-02Knob [Sub-Encoder)Knob(Button)Knob (LOWIK29-3145-04K27-3028-041K29-3144-049*Refer to parts list on page 25.Photo is TM-731A.CONTENTSCIRCUIT DESCRIPTION.2CONTROL UNIT (X53-3250-XX)............................66DESCRIPTION OF ELEMENTS17144 MHz TX-RX UNIT (X57-3400-XX)...................68PARTS LIST......25430 MHz TX-RX UNIT (X57-3390-XX).70EXPLODED VIEW..............FINAL UNIT (430 MHz)(X45-3340-XX)..................72PACKING........5052FINAL UNIT (144 MHz)(X45-3340-XX).................73AbJUSTMENT53LEVEL DIAGRAM........4TERMINAL FUNCTIONS.60SCHEMATIC DIAGRAM...............................76PC BOARD VIEW/SCHEMATIC DIAGRAMBLOCK DIAGRAM ....4,79144 MHz PLL UNIT(X58-3660-00)M,W).63TSU-6 (CTCSS UNIT).8144 MHz PLL UNIT(X58-3670-10)K,P164SPECIFICATIONS..Back cover430 MHz PLL UNIT(X58-3680-00165