Alinco_DX-SR8_E_T_维修说明书手册

DX-SR8/T/EService ManualCONTENTSSPECIFICATIONSEXPLODED VIEWGeneral1)Front View..18,19Transmitter..22)Main Side20-22Receiver.......…2PARTS LISTCIRCUIT DESCRIPTIONFRONT Unit....231)Receiver System................3,4LCD Unit......232)Transmitter System..........…5,6PA Unit.....24,253)Peripheral Circuits........7,8MAIN Unit.....25-354)PLL Synthesizer Circuits..........8Mechanical Unit.355)R5F2L3 ACANFP#U1(XA1400/XA1442)9-11Packing Unit..35SEMICONDUCTOR DATAADJUSTMENT1)NWM4558M(XA0097.111)Required Test Equipment...362)BD1754HFN(XA1403).2)Adjustment Spot........373)NJM78M05DL1A(仪A1118).113)PA Unit Adjustment.......384)NJM7808FA(XA1106).124)MAIN Unit Adjustment...385)TC4S66F(XA0115).125)RX Test Specification406)BU4052BCF(XA0236)126)TX Test Specification.417)BU4001BF(XA0299)8)TA75S01F(XA0332)12PC BOARD VIEW9)A4425A(XA0410)…FRONT Unit Side A...10)TC74HC74AF(XA0459).4213FRONT Unit Side B.....4.4311)NWM3357M(A0742).13MAIN Side A…4412)NWM7805FA(XA0812)13MAIN Side A No.1....4513)UPC2710TB(XA0968)13MAIN Side ANo.2.4614)NJM2594V(XA0995).13MAIN Side B..........4715)TC74HC390AF(XA1001).13MAIN Side B No.14816)MB15A01PFV1 (XA1010).14MAIN Side B No.2.....4917)LM2904PWR(XA1103)14PA Side A....5018)LM2902PWR(XA1106)..1419)S80845CLNB(XA1120)14SCHEMATIC DIAGRAM20)TC4SU11F(XA1396)14FRONT Unit.…5121)TC74VHC393FT(XA1397)15MAIN Unit (MAIN CPU)....5222)XC9504B092AR(XA1398)15MAIN Unit(MAIN 1)...5323)AD9833BRMA(XA1399).5MAIN Unit (MAIN 2)....5424)R1EX24256ASAS0A#S0(XA1401)..15MAIN Unit (MAIN 3)......5525)M61545AFP#DF0R(XA1402)16MAIN Unit (PLL)..5626)NJM2068V(XA1404)…16PA Unit (PA).....5727)Transistor,Diode and LED Outline Drawing....16PA Unit(FILTER)5828)LCD Connection (EL0064).17BLOCK DIAGRAM..59ALINGO.INC.