Kenwood NX-900 Service Manual

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

5.3mVrmsMICMIC input : 3kHz DEV. (Wide 5k), 2.4kHz DEV. (Wide 4k), 1.5kHz DEV. (Narrow) at 1kHz MOD.Transmitting frequency : Center frequency6 7IC709(MIC SUM1)4.2mVrms6 1IC706(MIC SUM2)44.0mVrmsK2 K3IC510(ASIC)65.6mVrms6 1IC702(MOD SMF)2 1IC709(MOD SMF)22 24IC719(EVOL)DEV, BAL6 7IC5(VCO_MOD) (TX VCO)Q6E1 K1IC510(ASIC)–119.0dBm –122.5dBm0dBmW5k: –97.0dBmW4k: –97.0dBmN: –97.0dBmW5k: –102.5dBmW4k: –102.5dBmN: –103.5dBm0dBm–117.5dBm–122.0dBm–107.5dBm–120.5dBm–120.5dBmBPFL906BPFLPF/ATTCFRX VCOL907LPFANT4ΩRadio Frequency 58.05MHz 450kHz Audio FrequencySG input level for 12dB SINAD are obtained Measured byconnecting SG to each point via a 0.01μF capacitor. AF VTVMAF level obtained when the AF output level is adjusted for 4.00V/4Ωwith the front panel AF VOL control. Measured with AF voltmeterconnected to the external speaker jack, receiving a –53dBm SSG signalmodulated at 1kHz, DEV. (Wide 5k 3kHz, Wide 4k 2.4kHz, Narrow 1.5kHz).RF AMPQ2AMPQ208AMPQ420AMPQ9MCFXF202 IF AMPQ205–106.0dBm –81.5dBm–74.0dBmIF AMPQ204–82.0dBm 180mVrms3 4IC701(RXAF SMF)218mVrms6 7IC711(RX SUM)218mVrms10 11IC719(EVOL)VOL=2088mVrms1 4IC715(SP AMP)J7014.00VrmsIF AMPIC201–68.0dBmIF AMPIC704CF201CF202CFCF203FM SYSTEM ICIC2021st MixerIC716TX VCOVCTCXO19.2MHz0.0dBm 17.0dBmAMPQ10 AMPQ420AMPQ9 Drive AMPQ150 Drive AMPQ151FinalModuleIC1028.0dBm 10.0dBmMODX1 DCAMPAPCMPSW ANT FilterWilkinsonCoupler BPF/WilkinsonCoupler BPF/D103D920,D921D925,D926DETD108ANTGatebiasIC103DETD109High Power: 15.0WLow Power: 5.0WW5k: 190mVrmsW4k: 152mVrmsN: 95mVrmsW5k: 190mVrmsW4k: 152mVrmsN: 95mVrmsW5k: 260mVrmsW4k: 208mVrmsN: 130mVrmsW5k: 250mVrmsW4k: 200mVrmsN: 125mVrmsW5k: 250mVrmsW4k: 200mVrmsN: 125mVrms8.0dBmAMPQ10

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