TM-641A_TM-741A_E_serv维修手册含电器原理图

144/220 MHz,144/430 MHz FM MULTI BANDERTM-641AKENWOOLDownloaded byAmateur Radio DirectoryTM-741A/Ewww.hamdirectory.infoSERVICE MANUAL1991-9 PRINTED IN JAPANB51-8139-00(A)1599.MICROPHONET91-1KENWOODFM MULTIBANCET-B4AKNOB (VFO)K27-3078-04)PANEL ASSYA62.JKNOB (MR)-(K27-3079-04)8295:m6978:224988KNOB (MHz)-(0K27-3080-041-KNOB (POWER)K27-3108-04)KNOB-(K293156-04KNOB (RELEASE]K27-3092-041DRESSING PLATEKNOB (SQL]KNOB (VOL)(B03-0562-041K29-4576-04)(K29-4575-041KNOB (CALL)KNOB (SHIFT)KNOB(REV)KNOB(LOW)K27-3110-04K27.3118-04K27.3114-04K27-3116-04BKNOB(F)KNOB (TONE】KNOB (DTSS)KNOB (MUTE)K27-3111-04K27.3113-04K27-3115-04K27-3117-04Refer to parts list on page 62Photo is TM-641ACONTENTSOVER VIEW144MTX-RX UNIT(X57-3580-12)143CIRCUIT DESCRIPTION.3220MTX-RX UNIT(X57-3810-10)147DESCRIPTION OF COMPONENTS.41430/440M TX-RX UNIT (X57-359X-XX)...........151SEMICONDUCTOR DATA.581200MTX-RX UNIT(X57-3600-11)155PARTS LIST61BLOCK DIAGRAM.....159EXPLODED VIEW105LEVEL DIAGRAM167PACKING....110DTU-2 (DTMF UNIT)171ADJUSTMENT ....113TSU-7(CTCSS UNIT)....173PC BOARD VIEWS SCHEMATIC DIAGRAMMC-45 (MULTI FUNCTION MICROPHONE).....175CONTROL UNIT (X53-331X-XX).126MC-45DM (MULTI FUNCTION MICROPHONEDISPLAY UNIT (X54-312X-XX)128WITH AUTOPATCH).......176SCHEMATIC DIAGRAM..........129PK-4K/L (PANEL SEPARATE KIT K:4M,L:7M).17728MTX-RX UNIT(X57-3790-01)133UT-28S/50S/1200 SPECIFICATION...........17850MTX-RX UNIT(X57-3800-01)....139SPECIFICATION...........................BACK COVER