艾琳可ALINCO-dj-438-维修图纸手册

DJ-493DJ-496/438Service ManualCONTENTSSPECIFICATIONSEXPLODED VIEW1）GENERAL.21)Front View…2)TRANSMITTER..2152)Rear View ......…163)RECEIVER......2PARTS LIST(DJ-493)CIRCUIT DESCRIPTIONMAIN Unit..........17-211)）Receiver System…3,4Mechanical Parts..........222）Transmitter System…4Packing Parts.223)PLL Synthesizer Circuit4.5PARTS LIST (DJ-496)4)CPU and Peripheral Circuits5.,6MAIN Unit....23-275)M38267M8L252GP(XA0725)68Mechanical Parts.......…28SEMICONDUCTOR DATAPacking Parts..281)NMJ2070MT1(XA0210)..9ADJUSTMENT2)AT24C16N-10Sl-2.7TER(XA0368).91)Required Test Equipment.29.303)M5222FP-600C(XA0385).102)Adjustment Mode…31-344)TK14521MTL(XA0515).115)M64076AGP(XA0352)PC BOARD VIEW126)NJM2904V.-TE1(XA0573).12MAIN Unit35,367)NJM2902V-TE1(XA0596)..12SCHEMATIC DIAGRAM.37,388)S-81350HG-KD-T1(XA0724).13BLOCK DIAGRAM39,409)S-80845ALMP-EA9-T2(XA0620),1310)2SK2975(XE0038)….1311)Transistor,Diode,and LED Ontline Drawings........1412)LCD Connection (EL0044).14ALINCO.INC.