Kenwood NX-720 Service Manual

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

Contents

70NX-720(G)/720 SCHEMATIC DIAGRAMX57-823 4/10TX-RX UNIT (X57-8230-1X)P Q R S TDDDDDDDDD/MCCSXCNHOST_RDYMCDICN/MCCSAFMCDOAFMCDIAFMCSCKAFTXCASQAPCDSP_ST/DWUP/DINTPLD/H_LTEMPASTSW15M/DRST/DRSTASSISTRXCDSW33A_2RSSIFSDET/SYMTIMBSHIFTSCK1IF_DETGLEDVOICE/T_RSBC/SAVE33A_2GPSCRLED/BINT/OVRBMKEYOBUCNT1BUCNT2POWER/IGN/INT15PEMGMKEYIHSWMMMM233M33MVCO_MODBEEPRXAFMODASQAPCPCB_VERP_SCK1MICMCSCKCN/PCS_RFASQDETVOICE33M/PCSW_/NTHP1L15TEST3V3BooTC2SQDACF1ADC0F2DAC0E1IFRG2ADC3G1ADC2D2FCDADCE2IFADCPE3 IFADCND1 IFVRR3AGCDAC A8MCCK0 D11MCI0B9MCo0 B10MCCS0 A7MCCK1 B8MCI1 C9MCo1 B7MCCX1 D9MCCR1 C8MCCK2 D10MCCS2 C7MCo2 D7VoINT D8VFRM N1RSSIT M3PSRPLL M2PSRIF L4PSRRF P1RXSLT N2RXRVE N3PSTPLL R1PSTIF M4PSTPA P2TMoD P3TRAMP R2TXRVE R6FSDET R5SYMTIM C12SIMDT D12SIMCK C11SIMRST T9GPIo0 V9GPIo1 U9GPIo2 V10GPIo3 T7GPIo4 R7GPIo5 R8GPIo6 U8GPIo7 A6GPIo8 B6GPIo9 C6GPIo10 B5GPIo11 E8DVDD1 E9DVDD2 F14DVDD3 G14DVDD4 M14DVDD5 N14DVDD6 P10DVDD7 P9DVDD8 N5DVDD9 M5DVDD10 E7DVDIo1 E13DVDIo2 H14DVDIo3 L14DVDIo4 P11DVDIo5 P6DVDIo6 L5DVDIo7 E10DGND1 E11DGND2E12DGND3J14DGND4 K14DGND5 P13DGND6P12DGND7P8DGND8P7DGND9B3DGND10A5DGND11C4DGND12T2DGND13C17DGND14U16DGND15X501L77-3015-051VC2GND34oUTPUTVCCIC702BU7242NUX1234 VSS 5678VDDIC508TC7SH08FU-FINBINAGND1234oUTY5VCCIC705BU7242NUX1234 VSS 5678VDDL508L510FK330301Q701IC301TC7SH08FU-FINBINAGND1234oUTY5VCCFK330301Q501IC701BU7462NUX1234 VSS 5678VDDCN523CP506100kX412348765CP505 100kX2R7071.8kR709100kR716100kR711100kR70833kR5671kR566470kR70110kR70682kR73047kR72447kR72839k R77047kR77147kR581100kR58447kR599100kR722 100kR6061MR572 0R7730R5803.3kR583100kR70415kR71247kR720330kR5680R5690R504100kR71322k10kR75456kR82610kR783150kR82782kR77922kR77215kR7022.2kC7060.1u10C71468pC711330pC7021000p 100pC719100p C720 0.1uC543 0.1uC565C570C569C566C567C568C572C573C574C575C576C577C5780.1u1u0.01u0.1u0.1u0.1u0.1u0.1u0.1u0.1u0.1u0.01u1uC707680pC70927pC7334.7uC725120pC7220.1uC7180.1uC7620.01u C758100pC560 3pC563100pC5480.01uC723 47pC5580.1uC5460.01uC728820pC7016800pC547100pC580 0.01uC579 0.01uC7081000pC3120.01uC55910u C6800.1uC8080.068uC8070.047uC7730.01uC7690.01uC7460.1uC7760.039uC7344700pC70547pC729680p+ -+-+ -+-MOD SMF-+-+AND GateAND GateVCO MOD/VREFLPFBRF/BufferAMP(SQ)DC Switch(System)SQL Noise BW SwitchIC507ASICMIC2CLKX0FSX0B-BUSR73810kB-BUS18.423MHzB-BUSB-BUS33A_233A_2DR603470k(VREF)1.65V3.3V