Kenwood NXR-710 Service Manual

Also see for NEXEDGE NXR-710: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

NXR-71039ADJUSTMENTTest Equipment Required for AlignmentTest Equipment Major Specifications1. Standard Signal Generator(SSG)Frequency Range 136 to 174MHzModulation Frequency modulation and external modulationOutput –127dBm/0.1μV to greater than –20dBm/22.4mVWhen performing the Frequency adjustment, the following accuracy is necessary.• 0.003ppmUse a standard oscillator for adjustments, if necessary.2. Power MeterInput Impedance 50ΩOperation Frequency 136 to 174MHz or moreMeasurement Capability Vicinity of 100W3. Deviation Meter Frequency Range 136 to 174MHz4. Digital Volt Meter (DVM) Measuring Range 1V to 20V DCInput Impedance High input impedance for minimum circuit loading5. Oscilloscope DC through 30MHz6. High SensitivityFrequency CounterFrequency Range 10Hz to 600MHzFrequency Stability 0.2ppm or less7. Ammeter 15A or more8. AF Volt Meter (AF V.M) Frequency Range 50Hz to 10kHzVoltage Range 3mV to 3V9. Audio Generator (AG) Frequency Range 50Hz to 5kHzOutput 0 to 1V10. Distortion Meter Capability 3% or less at 1kHzInput Level 50mV to 10Vrms11. Voltmeter Measuring Range 10V to 1.5V DC or lessInput Impedance 50kΩ/V or greater12. 4Ω Dummy Load Approx. 4Ω, 5W8 1MIC connector (Front panel view)Test cable for microphone input (E30-3360-28)1: NC2: SB3: GND4: PTT/TXD(PC serial data from transceiver)5: MIC GND6: MIC7: HOOK/RXD(PC serial data to transceiver)8: NCLead wire +MICShield wire –Tuning cable (E30-3383-05)Adapter cable (E30-3383-05) is required forinjecting an audio if PC tuning is used.See “PC Mode” section for the connection.3245678312456781 GREENREDBLACKBLUESHIELDWHITEGRAYYELLOWPTTEMIC-EMICHKFlat cable (36-pin) about 256mmTo connect the Control unit (CN38) to the TX-RX unit(CN800) while in servicing, you can use the 36-pin flat cable,E37-0979-05, which is available from the KENWOOD partscenter.