FP520 Service Manual
Page 27 of 64
Chapter 8 Service and Test Equipment
During the service and test, the following equipment and apparatus are needed.
No.
Equipment
Specification
1.
Standard
Signal
Generator
Frequency Range: 136-174MHz, 400-470MHz
Modulation: FM and External Modulation
Output:
-
127dBm/0.1uv or ≥
-
47dBm/1mv
2.
Power Meter
Input Imped
ance: 50Ω
Operation Frequency: 136-174MHz and 400-470MHz
Measurement Range: About 10W
3.
Deviation Meter
Frequency Range: 136-174MHz, 400-470MHz
4.
Digital Voltmeter
Measurement Range: DC 10mv-10v
Input Impedance: high input impedance for the minimum circuit
5.
Oscilloscope
Frequency Range: DC to 30MHz
6.
High
Sensitivity
Frequency
Counter
Frequency Range: 50Hz to 10KHz
Frequency Stability: 0.2ppm or lower
7.
Ammeter
Maximum Current: 5A
8.
Audio
Frequency
Voltmeter
Frequency Range: 50Hz to 10KHz
Volt Range: 1mv to 10v
9.
Audio
Frequency
Generator
Frequency Range: 50Hz to 5KHz or higher
Output: 0Vto 1V
10.
Spectrum
Measurement Range: DC - 1GHz or higher
11.
Path Generator
Center Frequency: 50KHz to 600MHz
Output Voltage: 100mv or higher
12.
16Ω Dummy Load
About 16Ω
,
3W
13.
Adjustable Power Supply
5v to 10v
,
about 5A
Summary of Contents for FP520
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Page 44: ...FP520 Service Manual Page 43 of 64 Figure 1 FP520 01 Mainboard Schematic Diagram 136 174MHz ...
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Page 54: ...FP520 Service Manual Page 53 of 64 Figure 4 FP520 02 Mainboard Schematic Diagram 400 470MHz ...
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Page 64: ...FP520 Service Manual Page 63 of 64 Figure 7 KBC 51 7 4V Electrical Schematic Diagram ...