TM-255A_E_serv维修手册含电器原理图

144MHz ALL MODE TRANSCEIVERKENWOODTM-255A/ESERVICE MANUALO 1994-2 PRINTED IN JAPANB51-8266-00(B)1095PanelKnobKnobMetallic cabinet (UPPER)(A62-0339-03):255A(K29-4870-04)(K294870-04(A01-207702)A62-0340-03):255日Knob(K294871-04)Knob (M.CH)(K29-3156-04146.9700968aPanel(BASE)Knob(POWER)(A62-026503(0K27309104)Foot Insulation(J02-0441-051路给器密4Knob(AF·VOL,RDKncb (F)Knob(SHIFT)(K294882-04K29-4916-04Knob (RIT)Knob (M.IN)K29-4809-04Knob(M>V)(K29-4861-14)(K29-4864-14)K29-4865-14Knob (TONE)Knob (REV)(K29-4868-04K29-4869-041Knob(SQL,SHIFT)K294310-04PHOTO is TM-255ECONTENTSCIRCUIT DESCRIPTION....2SUB UNIT(DDS)(X58-4020-0X)94SEMICONDUCTOR DATA.............TX-RX UNIT (X57-4530-XX)(A/5)......DESCRIPTION OF COMPONENTS...............34CONTROL UNIT (X53-351X-XX)(A/2)..............99PARTS LIST.…4.40SUB UNIT(VCO)(X58-4110-00)…101EXPLODED VIEW..….64MODULE UNIT(FAN)(X59-4020-00)102EXPLODED VIEW (CONTROL)...........65LCD ASSY(B38-0701-25)4n.103PACKING**4.66SCHEMATIC DIAGRAM.........105ADJUSTMENT.........67TERMINAL FUNCTION.117PC BOARD VIEWSBLOCK DIAGRAM......123CONTROL UNIT (X53-351X-XX)(B/2).............88WIRING DIAGRAM.125TX-RX UNIT(X57-4530-X0(D5).88LEVEL DIAGRAM.......127TX-RX UNIT(X57-4530-X0(E5.….89DFK-7A(PANEL SEPARATE KIT).129TX-RX UNIT (X57-4530-XX)(B/5).......90PG-5A (DATA CABLE).129TX-RX UNIT(CX57-4530-X0(C/5)..92SPECIFICATIONS..........BACK COVERDESTINATION LISTTypeUnitDestinationFreq.rangeTransmitDownloaded by(Guaranteed speciflcalion)powerRadioAmateur.EUTM-255AKY52-3190-11North America144.0b147999395MH240wTM-255AMY32.3190-21GeneralMarket14d.0b147999995MHz40WTM-255EY52-3192.71Euroge144.0to.145992995MH240wTM-255EEgY52-3192-72Frarce144.0tD145999995NHz40w