Alinco_DJ-V446_维修说明书手册

DJ-V446Service ManualCONTENTSSPECIFICATIONSEXPLODED VIEW1)Front View..16Transmitter........22）Rear View17PARTS LISTCIRCUIT DESCRIPTIONMAIN Unit.…18-231)Receiver System...........3.4Mechanical Unit.23,242)Transmitter System...........…4Packing Unit……243)PLL Synthesizer Circuit.....54)CPU&Peripheral Ciruits....................5,6ADJUSTMENT5)M38268MCA-077GP(XA1169)7-91)Required Test Equipment ......................25,262）Preparation..26SEMICONDUCTOR DATA3)Adjustment Mode.......27321)NMJ2070MT1(XA0210).104)Re-assembly.........322)S24CS64A01-J8T1G(XA1117).103)M62429FP/CF0J(XA1118).…PC BOARD VIEW4)LM2902PWR(XA1106)...11MAIN SIDE A........335)TA31136FN(EL)(XA0404)..12MAIN SIDE B..336)S80845CLNB-B66-T2G(XA1120..127)MB15E07SR(0XA1107)..13SCHEMATIC DIAGRAM....................348)XC6202P502MR(XA1119).149)Transistor,Diode and LED Outline Drawing.....15BLOCK DIAGRAM.......3510)LCD Connection(EL0059)..........................15ALINGO,INC.