Kenwood NXR-700 Service Manual

Also see for NEXEDGE NXR-700: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NXR-70058ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method37. TightSquelch1) Wide/Narrow: Analog WideConnect the SSG to the RX ANT.SSG settingFrequency: Desired frequencyOutput: 12dB SINAD level +7dBMOD: 1kHzDEV: ±3.0kHzSSGOscilloscopeRear RX ANTTEST/SPKRjack SPO(pin 12)4Ω loadPCADJAdjust it to the levelto open the squelch.2) SSG output: OFF Check The squelch shall be closed.3) Wide/Narrow: Analog NarrowSSG settingDEV: ±1.5kHzPCADJAdjust it to the levelto open the squelch.4) SSG output: OFF Check The squelch shall be closed.38. OpenSquelch1) Wide/Narrow: Analog WideConnect the SSG to the RX ANT.SSG settingFrequency: Desired frequencyOutput: 12dB SINAD level –2dBMOD: 1kHzDEV: ±3.0kHzSSGOscilloscopeRear RX ANTTEST/SPKRjack SPO(pin 12)4Ω loadPCADJAdjust it to the levelto open the squelch.2) SSG output: OFF SSGAudioanalyzerRear RX ANTTEST/SPKRjack SPO(pin 12)4Ω loadCheck The squelch shall be closed.3) Wide/Narrow: Analog NarrowSSG settingDEV: ±1.5kHzPCADJAdjust it to the levelto open the squelch.4) SSG output: OFF Check The squelch shall be closed.39. RSSI Wide/Narrow: Analog WideConnect the SSG to the RX ANT.SSG settingFrequency: Desired frequencyMOD: 1kHzDEV: ±1.5kHzNarrow1) SSG output: –53dBm (501μV)SSGAF V.MRear RX ANTTEST/SPKRjackRSSI(pin 8)PCADJ3.5V ±0.1V2) Point: High LevelSSG output: 12dB SINAD level +7dBPCADJ(Vin4)Apply the value(Vin4)3) Point: Low LevelSSG output: 12dB SINAD level –2dB40. RepeaterGain1) Wide/Narrow: Analog WideConnect the SSG to the RX ANT.SSG settingFrequency: Desired frequencyOutput: –53dBm (501μV)MOD: 1.0kHzDEV: ±1.0kHzConnect the deviation meterto the TX ANT end via the ATT.Deviation meter settingHPF: OFFLPF: 15kHzDe-emp: OFFDetector: +peak, –peakSSGDeviationmeterRear RX ANTTX ANTPCADJ±1.00kHz ±0.10kHz2) Wide/Narrow: Analog Narrow ±1.00kHz ±0.10kHz