特灵通dr-135 service manual 维修手册

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1、DR-135ServiceManualCONTENTSSPECIFICATIONSPARTSLIST1)GENERAL................................................................2CPU..................................................................22,232)TRANSMITTER........................................................2DSUB.......

2、..............................................................233)RECEIVER...............................................................2MainUnit..........................................................23~26CIRCUITDESCRIPTIONDR-135MechanicalParts...............................

3、.....................261)ReceiverSystem..................................................3,4PackingParts.........................................................262)TransmitterSystem...............................................4,5Speaker........................................

4、..........................273)PLLSynthesizerCircuit........................................5,6TNC..................................................................27,284)CPUandPeripheralCircuits.................................6,7TNC(EJ-41U)MechanicalParts.......................

5、.....285)PowerSupplyCircuit.................................................7TNC(EJ-41U)PackingParts..................................286)M3826M8L***GP(XA0795)...............................8~10ADJUSTMENTSEMICONDUCTORDATA1)AdjustmentSpot..........................................

6、..........292)VCOandRXAdjustmentSpecification...................301)M5218FP(XA0068)................................................113)TxAdjustmentSpecification...................................302)NJM7808FA(XA0102)............................................114)RxTestSpecifica

7、tion...............................................313)TC4S66F(XA0115)................................................115)TxTestSpecification...............................................324)TK10930VTL(XA0223)..........................................125)BU4052BF(XA0236).......

8、.......................................13PCBOAR