Kenwood NX-300S Service Manual
Also see for NEXEDGE NX-300: BrochureInstruction manualInstruction manualInstruction manualInstruction manual
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NX-300(S)90Q703MixerVCOASICIC108Q701IF AmpIC704SMF500mVrmsC730C734XF700MCFIC701FM ICCF701CFC758C795LNAQ705C790PLLC603C588Q600 Q601C607 D601RXLOQ602 C670 Q603 Q606 C660D600–118.5dBm–118.5dBm –119.0dBm –105.0dBm –119.0dBm –103.0dBm64mVrms(at MIC terminal) 47.4mVrms2.6dBm 13.0dBm 37.8dBm 5.0WIF1 (58.05MHz)RF (Center Frequency)RF (Center Frequency)AF (1kHz)C811C586 C613 C634IC713C756C792IC700(–56.5dBm)C727IC108ASICIC707SCSWC70992.5mVrms 92.8mVrms 92.7mVrms(–61.0dBm)125.9mVrms69.8mVrmsDSPIC1027.9dBm 22.6dBmAF (1kHz)IF2 (450kHz)IC413Audio AmpIC408SP DriveIC716C762 C721IC710C555 C562IC710412mVrms(W)206mVrms(N)391.8mVrms(W)195.9mVrms(N)IC504348mVrms(W)174mVrms(N)27.6mVrms(W)13.8mVrms(N)352mVrms(W)176mVrms(N)IC703IC703DACC424 IC409 C438123mVrms8.7mVrms 124mVrms352mVrms(W)176mVrms(N)410mVrms(W)205mVrms(N)2PIN-4PIN348mVrms(W)174mVrms(N)VCOIC703IC706 IC705Receiver SectionTransmitter SectionLEVEL DIAGRAMTo make measurements in the AF section,connect the AC level meter. (ANT input:–53dB, 1kHz FM, 3kHz DEV (Wide))In the RF section, use a 1000pF couplingcapacitor.(The display shows the SSG input valuerequired to obtain 12dB SINAD without lo-cal level.)AG is set to the MIC input becomes (3kHz/1.5kHz)at 1kHz MOD (Wide/Narrow).To make measurements in the AF section, connectthe AC level meter.In the RF section, use a 1000pF coupling capacitor. |
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