Kenwood NXR-700 Service Manual

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

Contents

NXR-70054ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method18. HighTransmitPowerFrequency1) Low2) Center3) HighAttach the EXCITER/FINALshield cover.Power meterAmmeterRear TX ANT PCADJ5.0W ±0.1W4.4A or less19. LowTransmitPowerFrequency1) Low2) Center3) HighAttach the EXCITER/FINALshield cover.0.50W ±0.01W3.3A or less20. Deviation(The transmis-sion VCO bandis separatedinto A and B.3-points foreach, i.e., totalof 6-points shallbe adjusted.)Mode: NXDNWide/Narrow: Very NarrowConnect the deviation meter tothe TX ANT end via the ATT.Deviation meter settingHPF: OFFLPF: 15kHzDe-emp: OFFDetector: (p-p)/2Modulation pattern: 100Hz square signal1) A: Low2) A: Center3) A: High4) B: Low5) B: Center6) B: HighDeviationmeterOscilloscopePCRear TX ANT PCADJ±1.10kHzAdjust it into cleansquare wave withchanging “Sub-audible Gain” and“Audible Gain”.±0.05kHzConnect the deviation meterto the TX ANT end via theATT.Mode: NXDNWide/Narrow: NarrowConnect the deviation meter tothe TX ANT end via the ATT.Deviation meter settingHPF: OFFLPF: 15kHzDe-emp: OFFDetector: +peak, –peakModulation pattern: Max deviation pattern1) A (Low)Check ±3.06kHz±0.10kHzClean sine wave.21. MaximumDeviation(Analog)1) Channel: 3 (Center)Wide/Narrow: Analog WideConnect the deviation meterto the TX ANT end via the ATT.Deviation meter settingHPF: OFFLPF: 15kHzDe-emp: OFFDetector: +peak, –peakAG setting: 1kHz/45mVrms(Sine wave, Terminal load)DeviationmeterAGDVMRearFrontTX ANTMICPCADJ±4.1kHz ±0.2kHzConnect the deviation meterto the TX ANT end via theATT.2) Channel: 3 (Center)Wide/Narrow: Analog NarrowConnect the deviation meterto the TX ANT end via the ATT.AG setting: 1kHz/55mVrms(Sine wave, Terminal load)±1.7kHz ±0.1kHz