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TK-5220
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 VTVM)
9. Audio Generator (AG)
10. Distortion Meter
11. 8Ω Dummy Load
12. Regulated Power Supply
■ Antenna connector adapter
The antenna connector of this transceiver uses an SMA
terminal.
Use an antenna connector adapter [SMA(f) – BNC(f) or
SMA(f) – N(f)] for adjustment. (The adapter is not provided
as an option, so buy a commercially-available one.)
■ Nut wrench
In order to turn the volume nut and the channel selector
nut, use a recommendation tool.
KENWOOD part No.: W05-1123-00
■ Battery jig (W05-1370-00)
Connect the power cable properly between the battery
jig installed in the transceiver and the power supply, and
be sure output voltage and the power supply polarity prior
to switching the power supply ON, otherwise over voltage
and reverse connection may damage the transceiver, or the
power supply or both.
+ Terminal (Red)
42
ADJUSTMENT
Frequency Range
Modulation
Output
When performing the Frequency adjustment, the following accuracy is necessary.
• 0.003ppm
Use a standard oscillator for adjustments, if necessary.
Input Impedance
Operation Frequency
Measurement Capability
Frequency Range
Measuring Range
Input Impedance
Frequency Range
Frequency Stability
Frequency Range
Voltage Range
Frequency Range
Output
Capability
Input Level
- Terminal (Black)
Major Specifi cations
136 to 174MHz
Frequency modulation and external modulation
–127dBm/0.1µV to greater than –20dBm/22.4mV
50Ω
136 to 174MHz
Vicinity of 10W
136 to 174MHz
10mV to 10V DC
High input impedance for minimum circuit loading
DC through 30MHz
10Hz to 1000MHz
0.2ppm or less
5A
50Hz to 10kHz
1mV to 10V
50Hz to 5kHz or more
0 to 1V
3% or less at 1kHz
50mV to 10Vrms
Approx. 8Ω, 3W
5V to 10V, approx. 3A
Useful if ammeter equipped
Note:
• When using the battery jig, you must measure the volt-
age at the terminals of the battery jig. Otherwise, a slight
voltage drop may occur within the power cable, between
the power supply and the battery jig, especially while the
transceiver transmits.
• The battery jig is detected as "Li-ion High Capacity Bat-
tery".
Li-ion High Capacity Battery: R1=Open
Li-ion Normal Capacity Battery: R1=560kΩ
Schematic diagram
S
–
+
■ C4FM (P25) Deviation Adjustment
1. The transceiver adjusts the deviation between Maximum
Deviation (P25) ±1800Hz for the C4FM (P25).
2. The Symbol Rate Pattern is used when adjusting the
Maximum Deviation (P25) for the C4FM (P25)
(Refer to "P25 mode signaling" described on page 37.).
This test signal has a peak deviation equal to ϖ/2 1800Hz
= 2827Hz.
–Terminal
(Black)
Power
Power
cable
supply
+
+Terminal
(Red)
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