Adjustment - Kenwood NXR-800 Service Manual

Uhf digital base-repeater
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Test Equipment Required for Alignment
Test Equipment
1. Standard Signal Generator
(SSG)
2. Power Meter
3. Deviation Meter
4. Digital Volt Meter (DVM)
5. Oscilloscope
6. High Sensitivity
Frequency Counter
7. Ammeter
8. AF Volt Meter (AF V.M)
9. Audio Generator (AG)
10. Distortion Meter
11. Voltmeter
12. 4Ω Dummy Load
MIC connector (Front panel view)
1: NC
2: SB
3: GND
4: PTT
5: MIG
6: MIC
7: HOOK
1
8
8: NC
Jig for MCF adjustment (W05-1000-00)

ADJUSTMENT

Frequency Range
400 to 512MHz
Modulation
Frequency modulation and external modulation
Output
0.1µV to greater than 1mV
Input Impedance
50Ω
Operation Frequency
400 to 512MHz or more
Measurement Capability
Vicinity of 100W
Frequency Range
400 to 512MHz
Measuring Range
1V to 20V DC
Input Impedance
High input impedance for minimum circuit loading
DC through 30MHz
Frequency Range
10Hz to 600MHz
Frequency Stability
0.2ppm or less
15A or more
Frequency Range
50Hz to 10kHz
Voltage Range
3mV to 3V
Frequency Range
50Hz to 5kHz
Output
0 to 1V
Capability
1% or less at 1kHz
Input Level
50mV to 10Vrms
Measuring Rnage
10V to 1.5V DC or less
Input Impedance
50kΩ/V or greater
Approx. 4Ω, 5W
Major Specifi cations
Test cable for microphone input (E30-3360-18)
8 pin
HOOK
(GRY)
to
MIC (WHT)
AG
MICG (SHIELD)
AF VTVM
Cut
8 pin
NXR-800
Plug cord
Part No. E30-3360-18
PTT
(BLU)
PTT SW
GND
(BLK)
71

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