Kenwood NX-900 Service Manual

Also see for NEXEDGE NX-900: Function reference Instruction manual Instruction manual

94NX-900 SCHEMATIC DIAGRAM3.30V3.30V7.91V 7.34V5.01V TA : 3.30VOTHER : 1mVOTHER : 3.95VTA : 20mV3.75V 1.88V3.20V1.22V0.64V1.64V T : 0VR : 1.96V3.28V5.00V3.25VUNL : 0.30VLOCK : 3.14V1.08V5.01V4.16V1.64V2.12V4.16VOTHER : 0VTA : 3.60V3.00V4.83VMCH3914(8)-HMCH3914(8)-H6XTALACGND/oSCGNDXTALVCCXTALXTALoUT/NC13C22 100p100pI2CDTI2CCKC122k1uC3R20.1uC4/PCS_RFSDO1P_SCK12SK3737-5BUFFER AMP22kR133C100R77C2C88oUTPUTGNDR7418kR720.01u100p VC VCCL77-3016-05X1(19.2MHz)Q110.01uC9100pC6D21RN142SR15 10R17 10R18 10L32C20 100pC21 100pC19 100pC718p0.01uC901kC1039p4.7kR84.7kL10.01u4.7uC92R10R60VCCECT/CMLCSVCCDIGITALDATA201921CLoCKMUX_oUTMoD_INGND25242322161817NC_11514LD/PSMAIN 3FVCoMAIN 21FVCoMAINCPoUTMAINVCCCPMAIN 45ASSISTPLDCV47kVCO_MOD, /T_RC26 100pC23 100pR13 C27 0.1uC24 0.1u100pC28 1kR2310R211SV278F270n1SV305F470kR76100R919100R918LM73CIMKX-0C5GNDALERT6 SMBDAT 1ADDR45 SMBCLK 32VDD0.01u100R4SENSORTEMPERATUREIC133C2.7kR86C910.01u0.01uC13220R7533CC17 0.01u101211XTALIN/oSCNC879PLL IC10C16 0.01uL33R16IC380CL35VCO TUNE100pC361R810C141u10kR70RIPPLEFILTER2SC5383-T111R80Q12BUFFER AMP(VCO TUNE)IN+R22 1kC29100pC250.01uVDD347kR31IN-4VoUTXC221A1200MRG1 VSS 582kR30IC468pC33R1910L3450C50C50CVCO_MODR3710k0.1u10MC38R36C320.047u350.15u35R113150C3610u20C37R250R290R35390DIODED2DA221BYPASSTC75W51FK(F)VSSBUFFER AMP (CV)VCO MODULATION/68kR28100pC311kR3447kR27100kR26342651 VDD 78RIPPLER554.7kC56R44470p100kR451uC480C6510u FILTERR42100kQ42SC5383-T111470pC430.1uIC5C540R352 L41L14D121u47kR54150kC5547kR53R49 470kL201uC71R56MODULATIONTXD14L31SV278FFREQUENCYCONTROLD8,11,12D8R85C51L7R411SV325F100pC45D40 10uD11L12270n0150p 1SV305FL40C41470pL17C5822n1SV305FL16270n7p0.75pC63C6710pQ6VCO 2 VCOFREQUENCY1SV278F150p1SV325F100pC4410pC8D3L11220nL13220nD100L610uR40CONTROL0R84C50 D7D7,10Q512pL15220n8pC6417.5nL18C59VCO 1VCO100p/T_R50CC364470kR710R83(VCO)SSM6L05FU-FC77C75470p1kR6047kR61100pQ7 T/R SWITCHR59180SSM3J05FU-FQ8(RF)C76270nL23C727p0.5p100pC73270nC695p100pC7833L21 R153BUFFER AMP150k2SC56360.5p5pC68R57180L22220n(VCO)Q9100R58C70100p6p C74C66220nL19R62C80100R63100pL258.2nC793p50C100pC980.1uC8547R68L36Q10C832SC563610kR65R646.8k33pC82C84330R66100p100pR67L266.8n2.2kBUFFER AMP0R989PLL_MOD R967 100R92SWITCH(VCO)C8580.01uL905100n1SV278FD927 C9480.75p100kR111100kR110C604p C613pC46100pC8621.5pR97600.01C53R9770100pC52L1033CD2MI1MEMI1MECONTROLFREQUENCYD3FREQUENCYD4CONTROLD14D927TXMODULATIONT/RSWITCH2nd LOCALNC_2NC_3NC_4NC_5NC_6CV FinSKY72310-362+++292929X57-806 (A/2) 11/14AY AZ BA BB BCTX-RX UNIT (X57-8060-10) (A/2)