Kenwood NXR-901 Service Manual

Also see for NEXEDGE NXR-901: Instruction manual Instruction manual

Contents

112NXR-901 SCHEMATIC DIAGRAMX45-387 (A/4) 1/2, X45-387 (B,C/4) 1/1FAN ONOFF: 5.07V: 0V: 1.60V: 3.07V: 2.70V: 0V: 0.79V: 0.68VT-HRT: 0V: 4.84V: 5.03VT: 0VRLRRLT-H16dBmRT: 0V: 5.03VMX53-413-CN4CONTROL UNIT1X55-312TX UNIT-CN801X56-315 (A/3)-CN44RX UNIT-CN802TX UNITX56-315 (A/3)NJM78M05DL1AZB0C170 47pSSM3J01FC174.7R11C822u35C1147p4.7R9154.7R916R9174.7C10C722u35C30IC12KIA7805APIGND0.01u21 INC260.01uoUT 3SSM3K15TE(F)Q14R105C3347pR10610u255VC45470k47pC25INC160.01u47p1GND23oUTC2947p0.01uC9195V22u35FAN 1SURGE PROTECTIONC3947pC400.01uC3810u251SS355D62100kC42R14047pQ3,14DC SWITCH147pQ3C54CN8SURGE PROTECTIONDSM3MA1-RPBDCL79-0558-05CN26 CN24CN4CN25 CN23CN28CN27D4,5D4Z5W27VD5C188L347u3543CN1121C59 0.01uC61 47p132CN123C70 0.01uC72 47pC80 0.01uCN1512C86 0.01uC83 47pC90 47pCN1GND8GND7GND6GND5CURRR121C36C2100.01uC28 C15100u50CN21CN2C122u3547u35100u50C2C187C917C270.01uVOLTAGE REGULATORGND247pC211IC11 C32547pIC18KIA7808APIIN1 oUT 30.01uC3268VC320KIA7805APIC2222u3547p12INGND oUT 3F53-0324-15C2147pF1IC1722u35C3210.01u47pC9185V47p10k47pCN30 ECN29 BR918 0.39R921 0.39R919 0.39RF INL1R20C19447pCURRENT SENSEV+oUT+INR102470R920 0.39-IN312 V-22u35R12310kC3245 IC1CURRENTLTC6101BIS5-FR9100RFoUTAV111-12LFRFIN4IC205 C19547pR21 10k NJM2904E-ZBR28 820kR165470kC3270.033u47pR27PWR CONT3214R1310kC205R125.6k47pC2000.01uC2040.033uR1420BoUTB-INB+INGNDA+INAoUTA-IN65V- 87820kR20847kR156R20747k0C64ANT SWSSM3K15TE(F)R151R17 10k0C37C410.01uOP AMPIC2Q247pSSM3K15TE(F)Q22100kR20447pC46C309C302R1450C3031p1p2SJ506-E(S)0.01uR2030Q15564C30447pC30547p321VBIASVCC2GND2GND1RFIN2RFIN1Q2,15,22R25100kDC SWITCH10kR2022kR170L3014.5n1000pC3130.01uC30887C30647pRFoUT2RFoUT1GND4GND3RFoUT4RFoUT39121110L22100n220pGND4CoNTROL_CURRENT2GND3C197CoNTROL_CURRENT1GND1GND2123220pC203VARIABLE ATTENUATORC202C1980.01u876100nL21 47pR1641.2kR1631.2kRF POWER AMPIC21ADL5604ACPZMICROSTRIPLINE16151413MONITORANT_SWTEMP_PRTFWD_PWRPWR_CONTPA_CURRFAN_CONT5VBPAVOLTAGE REGULATORVOLTAGE REGULATOR2.5AVOLTAGE REGULATOR(X45-3870-11) (C/4)FINAL UNIT(X45-3870-11) (B/4)(FUSE SECTION)FINAL UNIT(DC SECTION)FINAL UNIT (X45-3870-11) (A/4)ABR50610kC50647pC5050.1u22kR505Q5012SA1832FC50847pEA B C D1234567