Alinco_DR-235TMk3_维修维护电器原理图手册

DR-235TMkIIIService ManualCONTENTSSPECIFICATIONSPARTS LISTGENERAL.......2CPU Unit...21.22TRANSMITTER......RECEIVER........22MAIN Unit.....22-25Mechanical Parts..........................25Packing Parts...2CIRCUIT DISCRIPTIONACCESSORIES251)Receiver System DR-235.3,4ACCESSORIES(SCREW SET)...........22Transmitter System DR-235.......................4TNC(EJ41U）63)PLL Synthesizer Circuit DR-235................TNC (EJ41U)Packing Parts.27CPU and Peripheral Circuit.5Power Supply Circuit.........6DR-235 ADJUSTMENT6M38268MCA075GP(XA1130).7-91)Adjustment Spot........282)VCO and RX Adjustment Specification..29SEMICONDUCTOR DATA3)TX Adjustment Specification..............01)NJM7808FA(XA0102).04)RX Test Specification......TC4S66F(XA0115)15)TX Test Specification.......323)AN8010M(XA0119)14)TC4W53FU(XA0348).......PC BOARD VIEWTA31136FN(XA0404).11CPU Unit Side A DR-235(UP0579)......336)LA4425A(XA0410）.112)CPU Unit Side B DR-235(UP0579).337)BR24L32FJ (XA0604Z).13MAIN Unit Side A DR-235(UP0579).....4L88MS05TLL(XA0675).…124)MAIN Unit Side B DR-235(UP0579)....9)S-816A50 AMC (XA0925)15)TNC Unit Side A(UP0402)(option)......610)LM2904PWR(XA1103)..26)TNC Unit Side B(UP0402)(option).....3511)LM2902PWR(XA1106)112)MB15E07SR(XA1107)SCHEMATIC DIAGRAM13)S-80845 CLNB (XA1120)14CPU Unit DR-235.3614)BU4052BCFV(XA1229)0005004400000*400014MAIN Unit DR-235.15)S-AV40(XA1230)...今TNC Unit(option)…貂16)Transistor,Diode and LED Outline Drawing...1617)LCD Connection (TTR3626UPFDHN)..........17BLOCK DIAGRAM1）DR-23539EXPLODED VIEW1）LCD Assembly..182Top and Front View13）Bottom View.…20ALINCO,INC.