Alinco_DR-140E_T_TE1_TE2_维修说明书手册

DR-140T/E/TE1/TE2Service ManualCONTENTS●SPECIFICATIONS●PARTS LIST1)GeneralMain Unit21-222)Transmitter.2Packing2.33)Receiver..........,3CPU Unit....23SP Unit..23●CIRCUIT DESCRIPTIONUnit23.231)Receiver Sytem .....4-5EJ-20U242)Transmitter System.......5-63)PLL Circuit64)Terminal Function of CPU...●ADJUSTMENT1)Required Test Equipment.●SEMICONDUCTOR DATA2)PLL Adjustment.............263)TX Adjustment.......261)AK23414n104)RX Adjustment....272)AN78L05M5)Adjustment Points..283)LA4425A114)M5218FP115)M56760FP*112●PC BOAD VIEW6）M67746444444131)Main Unit Side A.297)M6B702H44444132)Main Unit Side B.8)M68702L133)CPU Unit Side A......9)MC7808CT..3110)RH5VL32AA-T1144)CPU Unit Side B......31145)VCO Unit Side A.3211)RH5VL45AA-T16)VCO Unit Side B3212)TK10930VTL157)EJ-20U (CTCSS Unit:Option)............3313)PC2710T1614)24LC16B441615)Transistor,Diode and LED Outline Drawings....17●BLOCK DIAGRAM.aa3416)）LCD4418●SCHEMATIC DIAGRAM1)Main Unit TE..35-36●EXPLODED VIEW2)Main Unit TE1/TE237381)Bottom View.193)CPU Unit.392)LCD Assembly..204)VCO Unit.403)Top,and Front View.215)EJ-20U (CTCSS Unit:Option)...41ALINCO.INC.