Kenwood NX-720 Service Manual

Also see for NEXEDGE NX-720: Installation guide Instruction manual Technical details Service manual Instruction manual

Contents

71SCHEMATIC DIAGRAM NX-720(G)/720X57-823 5/10TX-RX UNIT (X57-8230-1X)U WV X Y-tSDO0SCK050R/EVCSTV2TV1SPAFMP/IGNSBRXD2INAMTPAGPSC33A_2PAAFMM2RXAF233A_2MMIC2MIC2J701C801 47u 25SSM3J15FSQ7062SA1832(GR)FQ703D704DA3S101FSSM3J15FSQ7052SC4738(GR)FQ704KTC4075E(Y,GR)Q702TH701ERTJ0EV104HD705EMZ6.8ND706EMZ6.8NIC711BU7462NUX1234 VSS 5678VDDIC713TC7W53FK(F)1CoMMoN2INH3VEE4GND5678ACH1CH0VCCD701DA2S101IC712R2A20178NP1VIN22VDD3LD4CLK5DI6VIN37 VoUT38 VoUT49 VIN410 VIN511 VoUT512 VoUT613 VIN614 VDAREF115 VDAREF216 RESET17 GNDVIN71819VoUT720VoUT821VIN822VIN123VoUT124VoUT2C80316330uC804330u 16IC714OUT1POWERGNDOUT2VCCFILTERP_PSTBIN2PREGNDIN112345678910D703DA3S101FCP701100X412348765D512DB2S310CN710D513DB2S310D601DB2S310Q708LTC014EEBFS8IC703BU7462NUX1234 VSS 5678VDDD7021SS422R8183.3kR8131kR78712kR7755.6kR8034.7kR7850R77710kR8061kR8044.7kR8051kR800100kR81612kR77827kR769680kR739330k100kR749R75039kR752390kR755220kR71056kR70568kR70356kR78656kR8011kR8202.2kR814390R74610kR743470R7423.3kR8210R8192.2kR82312kR7960R7970R8220R745100kR7561kR751100kR748100kR8243.3kR638 1kR637 1kR83168kR83268kR833100R8341kR8375.6kR8383.3kCN720D_RXD2 R810 12kR81110kC8021000pC7961uC7820.1uC7664.7uC7530.1uC7520.1uC7674.7uC7740.1uC76522pC7700.1uC7380.1uC7401000pC7781u 10C779 100pC775100pC7884.7uC7041u 10C712180pC7770.1uC7860.1uC7980.22uC79010u 10C79110u 10C7321000pC7391uC7410.22uC7440.22uC7970.22uC78410uC8051000pC747220pC74347pC7491000pC8061uC8111000pC81210u 10C81310uC7711200pC780100pC810 4.7uC82910uR845100Q709SSM6N37FER84622kC8300.1uR84722kC8310.1uC8331000pC8321000pF701EXT.SPMI1MI2ASQ+ -+-MIC SUMDEOAFODI+ -+-G_RXD2MICMESP+SP-MIC SUMAMP/LPF(DI)RX SUMAMP/LPF(RX AF)D/A ConverterMIC/RXSelector(BINT)Noise AMPMIC AGCQ703,704Mute(MI1)Mute(MI2)AF Mute SwitchQ708,709ReverseCurrent PreventionD512513Line ProtectionReverseCurrent PreventionNoise DetectorAF DetectorD703,704Line ProtectionD705,706DATAIDATOSP2MICMRSWAF AMPR799R79817181920MI22.5AC73510uDIB-BUSB-BUSR7414733A_2B-BUS2.7V1.44V1.44VACBiasACBias6.3V6.5V3.3VR:4.75VT:0V