Kenwood NX-300S Service Manual

Also see for NEXEDGE NX-300: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

NX-300(S)43ADJUSTMENTItem ConditionMeasurement Adjustment Specifications /RemarksTest-equipment Unit Terminal Unit Parts Method5. Sensitivitycheck1) Test ChannelChannel: 1Test SignalingMode: AnalogSignaling: 1SSG outputWide: –117dBm (0.32μV)(MOD: 1kHz/±3kHz)Narrow: –117dBm (0.32μV)(MOD: 1kHz/±1.5kHz)SSGAF VMOscilloscopeDistortionmeter8DummyloadANTUniversalconnectorCheck 12dB SINAD ormoreCommon SectionItem ConditionMeasurement Adjustment Specifications /RemarksTest-equipment Unit Terminal Unit Parts Method1. Setting 1) DC voltage: 7.5V2) SSG standard modulation[Wide] MOD: 1kHz, DEV: 3kHz[Narrow] MOD: 1kHz, DEV: 1.5kHz2. Counter-clockwiseVolume1) Adj item: [Counterclockwise Volume] Turn the volumeknob counterclock-wise fully.Press [Apply] buttonto store the adjust-ment value.This item is neededwhen the variableresistor (R31-0666-05) is replaced.3. ClockwiseVolume1) Adj item: [Clockwise Volume] Turn the volumeknob clockwise fully.Press [Apply] buttonto store the adjust-ment value.4. ReceiveAssist1) Adj item: [Receive Assist]2) Adj item: [Low], [Low’], [Center], [High’],[High]Press [Apply All] button to store the adjust-ment value.[ ],[ ] [V] indicator on thePC window showsVCO lock voltage.Change the adjust-ment value to getVCO lock voltagewithin the limit of thespecifi ed voltage.Note:Confi rm the VCOlock voltage approx-imately 3 secondsafter the adjustmentvalue is changed.2.5V±0.1VPress [Apply All]button to store theadjustment valueafter all adjustmentpoints have beenadjusted.TransmitAssist1) Adj item: [Transmit Assist]2) Adj item: [Low], [Low’], [Center], [High’],[High]PTT: Press [Transmit] button.Press [Apply All] button to store the adjust-ment value.