Alinco_DJ-SR1_维修维护电器原理图手册

DJ-SR1Service ManualCONTENTSSPECIFICATIONSEXPLODED VIEW1)General,21)Front Assembly..142)Transmitter.........2)Rear Assembly1.......153)Receiver.......3)Rear Assembly2..16CIRCUIT DESCRIPTION4)LCD Assembly....161)Receiver5)MIC Assembly.....162)PLL,VCO Circuit......43)Transmitter SystemPARTS LIST4)Terminal function of CPU.5,6BF Unit.…17,18SEMICONDUCTOR DATAVO nit18CPU Unit......1）TK112338M719,202AT24C04N-m7SW Unit....203)M38223M4HP8Mechanical Parts,204)M64076GP9Packing...205)NJM2070M10ADJUSTMENT6)NJM2904V101)Required Test7)NJM2902V.....2)Adjustment228）RN5V25AA-T1…3)Adjustment Points11239)RN5VL27CA-T1PC BOARD VIEW1110)μPC2771T1)AF Unit.1124,2511)TA31136FN.…122)CPU Unit.…26,2712)Transistor,Diode and LED Outline Drawings ...............23)VCO Unit.2813)LCD...134)SW Unit.,28CIRCUIT DIAGRAM1)RF Unit.....,292)CPU Unit.44444303)VCo Unit.......BLOCK DAIGRAMeALINCO,INC.