Kenwood NXR-700H Service Manual

NXR-700H124ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method29. TDDeviation1) Channel: 3 (Center)Wide/Narrow: Analog WideConnect the deviation meterto the TX ANT end via the ATT.Deviation meter settingHPF: OFF, LPF: 3kHzDe-emp: OFFDetector: +peak, –peakAG setting: 0.1kHz/0.5Vp-p (177mVrms)DeviationmeterAGDVMRear TX ANTCONTROLI/O jackTD (pin 8)PCADJ±0.75kHz ±0.02kHzConnect the deviation meterto the TX ANT end via theATT.2) Channel: 3 (Center)Wide/Narrow: Analog Narrow±0.75kHz ±0.02kHz30. TransmitAudio Input(TA)1) Channel: 3 (Center)Wide/Narrow: Analog WideConnect the deviation meterto the TX ANT end via the ATT.Deviation meter settingHPF: OFF, LPF: 15kHzDe-emp: OFFDetector: +peak, –peakAG setting: 1kHz/280mVrmsDeviationmeterAGDVMRear TX ANTCONTROLI/O jack TA(pin 9)PCADJ±3.00kHz ±0.03kHzConnect the deviation meterto the TX ANT end via theATT.2) Channel: 3 (Center)Wide/Narrow: Analog Narrow±1.50kHz ±0.02kHz31. BPF 1) Tracking generatorOutput: –20dBmSpectrum analyzerFrequency: Desired frequencySpan: 50MHzTrackinggeneratorSpectrumanalyzerRearRXRX ANTCN41RX TC1~TC8Adjust it by the pro-grammed frequencyto look like the wavein figure 1.Refer to Fig. 1. (Page 128)32. MCF 1) WideTracking generatorOutput: –20dBmSpectrum analyzerFrequency: 49.95MHzSpan: 100kHzTrackinggeneratorSpectrumanalyzerRearRXCN46CN47RX L46L52L74L90Adjust it to look likethe wave in figure 2.Refer to Fig. 2. (Page 128)2) NarrowSpectrum analyzerSpan: 50kHzL47L53L75L91Adjust it to look likethe wave in figure 3.Refer to Fig. 3. (Page 128)33. Discriminator 1) NarrowFrequency: Desired frequencySSG output: –53dBm (501μV)SSG MOD: 1kHzSSG DEV: 1.5kHzAF output: 2V/4ΩSSGAF VTVMRear RX ANTTEST/SPKRjack SPO(pin 12)4Ω loadRX L128 Adjust AF outputmax.34. RD Level 1) Wide/Narrow: Analog WideConnect the SSG to the RXANT.SSG settingFrequency: Desired frequencyOutput: –53dBm (501μV)MOD: 1kHzDEV: ±3.0kHzSSGAF VTVMRear RX ANTCONTROLI/O jackRD (pin 10)PCADJ80mV ±5mV2) Wide/Narrow: Analog NarrowSSG settingDEV: ±1.5kHz