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DR-735 T/E/TAService ManualCONTENTSSPECIFICATIONSGeneral.18NJM2288(XA1694).,12Transmitter219)NJU72341(XA1695).12Receiver...20)BH2221V(XA1696).1221)HT16C24(XA1705).13CIRCUIT DESCRIPTION22RA60H4047M1(XA1706).131)MAIN VHF Reception....323)BR24G1MFXA1715).132)SUB VHF Reception24)Transistor,Diode and LED Outline Drawing............143)MAIN UHF Reception.25)LCD Connection (EL0064)...................144)SUB UHF Reception5)VN(VHF-VHF)Dual Reception5EXPLODED VIEW6)U/U(UHF-UHF)Dual Reception1)Front View15,1657)MAIN VHF Squelch Control2)Main Side17.1958)SUB VHF Squelch Control59)MAIN UHF Squelch Control5PARTS LISTFRONT Unit..10)SUB UHF Squelch Control20-21MAIN Unit...22-3011)Transmit Signal Path....12)VHF Transmit Signal PathSPEAKER Unit.31MECHANICAL Unit.13)UHF Transmit Signal Path3114)VHF TX APC Circuit...PACKING Unit.3115)UHF TX APC Circuit.ADJUSTMENT16)VHF PTT circuit.17)UHF PTT circuit......61)Required Test Equipmente18)VHF 1 chip IC......62)Adjustment Spot.....3319)UHF 1 chip IC....3)Connection Diagram620)Power-on Circuit.4)UHF TX Adjustment Specification.3465)UHF RX-R Adjustment Specification34CPU I/O DATA6)VHF RX-R Adjustment Specification61)R5F104FF (XA1724)FRONT CPU7)VHF TX Adjustment Specification352)R5F104PJ(XA1697)MAIN CPU...............8-98)VHF RX-L Adjustment Specification369)UHF RXL Adjustment Specification...................36SEMICONDUCTOR DATA10)UHF TX Test Specification.............371)NJM78L05UA(XA0098).…911)VHF TX Test Specification...............3712)LEFT RX Test Specification2)NJM7808FA(XA0102)9813)RIGHT RX Test Specification3)TA75S01F(XA0348)93814)X BAND Test Specification.394)TC4W53FU(XA1106)5)NJM2904V(XA0573)16)NJM2902V(XA0596)10PC BOARD VIEW7S-80845 ALMP (XA0620)….10FRONT TOP SIDE...1041FRONT MIDDLE SIDE48)NJM78M05DL1A(XA0947).10FRONT BOTTOM SIDE9)RA60H1317M1(XA1108)103MAIN TOP SIDE...4410)SN74LV4051A(XA1194).MAIN MIDDLE SIDE4511)BU4052BCFV(XA1229).11MAIN BOTTOM SIDE4612)TAR5S33U(XA1277).1113)BD1020HFV(XA133511SCHEMATIC DIAGRAM14)NJM2591V(XA1391).11FRONT Unit..........4715)R1EX24008A(XA1417)11MAIN Unit..4816)BA5406(XA1519)1217)BK4811B(XA1625)12BLOCK DIAGRAM.49ALINGO.INC.
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