Kenwood NXR-800 Service Manual

Also see for NEXEDGE NXR-800: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NXR-80096ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifi cations / RemarksTest-equipment Unit Terminal Unit Parts Method30. TransmitAudio Input(TA)2) Channel: 3 (Center)Wide/Narrow: Analog NarrowDeviationmeterAGDVMRear TX ANTCONTROLI/O jack TA(pin 9)PCADJ±1.50kHz ±0.02kHz31. BPF 1) Tracking generatorOutput: –20dBmSpectrum analyzerFrequency: Desired frequencySpan: 50MHzTrackinggeneratorSpectrumanalyzerRearRXRX ANTCN41RX L132L133L134L135Adjust it by the pro-grammed frequencyto look like the wavein fi gure 1.Refer to Fig. 1. (Page 88)32. MCF 1) WideTracking generatorOutput: –20dBmSpectrum analyzerFrequency: 49.95MHzSpan: 100kHzTrackinggeneratorSpectrumanalyzerRearRXCN46CN47RX L46L52L74L90Adjust it to look likethe wave in fi gure 2.Refer to Fig. 2. (Page 88)2) NarrowSpectrum analyzerSpan: 50kHzL47L53L75L91Adjust it to look likethe wave in fi gure 3.Refer to Fig. 3. (Page 88)33. Discriminator 1) NarrowFrequency: Desired frequencySSG output: –53dBm (501μV)SSG MOD: 1kHzSSG DEV: 1.5kHzAF output: 2V/4ΩSSGAF V.MRear RX ANTTEST/SPKR jackSPO (pin12) 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 V.MRear RX ANTCONTROLI /O jack RD(pin 10)PCADJ80mV ±5mV2) Wide/Narrow: Analog NarrowSSG settingDEV: ±1.5kHz35. RA Level 1) Wide/Narrow: Analog WideConnect the SSG to the RXANT.SSG settingFrequency: Desired frequencyOutput: –53dBm (501μV)MOD: 1kHzDEV: ±3.0kHzSSGAF V.MRear RX ANTCONTROLI/O jack RA(pin 11)PCADJ400mV ±20mV