Alinco_DR-605_维修维护电器原理图手册

DR-605T/E/TE1/TE2Service ManualCONTENTS●SPECIFICATIONS●PARTS LIST1)General.........VHFMAIN Unit22-232)TransmitterUHF MAIN Unit.44424-283.2FRONT cPU Unit.20-272728●CIRCUIT DESCRIPTIONVHF VCO Unit.UHF VCO Unit281)Frequency Configuration.3282)Receiver Sytem.....3-4Mechanical Parts.,283)Power Supply CircuitPCB Unit.444444444444444444444284)AF Signal Circuit......5285)Transmitter System......5-0286)PLL Circuit...…67)Front CPU and Peripheral Circuit7●ADJUSTMENT8)Cross Band Repeater Circuit..71)Required Test Equipment.29-309)Tone Burst Output Circuit....2)UHF PLL Adjustment.3010)CTCSS Tone Encoder Circuit.83)UHF RX Adjustment.3111)CTCSS Tone Decoder Circuit.84)UHF TX Adjustment.3212)960obps Packet Circuit.........85)VHF PLL Adjustment3313)Clone Circuit.....B)VHF RX Adjustment.....3314)CPUI/O Port...49-10刀VHF TX Adjustment....34●SEMICONDUCTOR DATA8)Adjustment Points.........351）AK2341411●PC BOAD VIEW2)AN78L05M1)VHF Main Unit Side A.363)AN8010M122)VHF VCO Unit Sido A....364)AT24C16N-10Sl-2,7.123)UHF Main Unit Side A.,375)A4425A124)UHF VCO Unit Side A..378)M64076GP.135)VHF Main Unit Side B...387)M57788146)VHF VCO Unit Side B.388)M67746.147)UHF Main Unit Side B.399)M68702H.148)UHF VCO Unit Side B...3910)MC3372VM.159)Front Unit Sido A...4011)Mc7808CT1510)Front Unit Side B.4012)MUM45581611)TCXo Unit .....4013)RH5VA60AA16●SCHEMATIC DIAGRAM14)RN5VL25AA-T11615)TC4W53FU ......171)CPU Unit..........41-4216)Transistor,Diode and LED Outtine Drawings.......172)VHF Main Unit T/E........43-4417)LCD Connection3)VHF Main Unit TE1/TE2.45-484)UHF Main Unit T/E.........47-4g●EXPLODED VIEW5)UHF Main Unit TE1/TE2.49-501)LCD Assembly.196)VHF PLL-VCO Unit..51-522)VHF Unit Assembly207)UHF PLL-VCO Unit.......51-523)UHF Unit Assembly.28)TCXO Unit..51-52●BLOCK DIAGRAM53-54ALINCO.INC.