TK-3202/3206
24
ADJUSTMENT
Test Equipment Required for Alignment
Test Equipment Major Specifications
1. Standard Signal Generator Frequency Range 450 to 490MHz (TK-3202(K, M) TK-3206(M) ) 470 to 512MHz (TK-3202(K2, M2) )
400 to 430MHz (TK-3206(M3) )
(SSG) Modulation Frequency modulation and external modulation.
Output -127dBm/0.1µV to greater than -47dBm/1mV
2. Power Meter Input Impedance 50Ω.
Operation Frequency 450 to 490MHz (TK-3202(K, M) TK-3206(M) ) 470 to 512MHz (TK-3202(K2, M2) )
400 to 430MHz (TK-3206(M3) )
Measurement Range Vicinity of 10W
3. Deviation Meter Frequency Range 450 to 490MHz (TK-3202(K, M) TK-3206(M) ) 470 to 512MHz (TK-3202(K2, M2) )
400 to 430MHz (TK-3206(M3) )
4. Digital Volt Meter Measuring Range 10mV to 10V DC
(DVM) Input Impedance High input impedance for minimum circuit loading.
5. Oscilloscope DC through 30MHz.
6. High Sensitivity Frequency Range 10Hz to 1000MHz.
Frequency Counter Frequency Stability 0.2ppm or less.
7. Ammeter 5A.
8. AF Volt Meter Frequency Range 50Hz to 10kHz.
(AF VTVM) Voltage Range 1mV to 10V.
9. Audio Generator (AG) Frequency Range 50Hz to 5kHz or more.
Output 0 to 1V.
10. Distortion Meter Capability 3% or less at 1kHz.
Input Level 50mV to 10Vrms.
11. Spectrum Analyzer Measuring Range DC to 1GHz or more
12. Tracking Generator Center frequency 50kHz to 600MHz
Output Voltage 100mV or more
13. 8Ω Dummy Load Approx. 8Ω, 3W.
14. Regulated Power Supply 5V to 10V, approx. 3A Useful if ammeter equipped.
■ The following parts are required for
adjustment
1. Antenna connector adapter
The antenna connector of this radio 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.)
2. Repair Jig (Chassis)
Use jig (part No.: A10-4086-03) for repairing the TK-3202/
3206. Place the TX-RX unit on the jig and fit it with screws.
The jig facilitates the voltage check and protects the final
amplifier FET when the voltage on the flow side of the TX-RX
unit is checked during repairs.
3. Battery Jig (W05-1011-00)
+ Terminal (Red)
– Terminal (Black)
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.
Note: When using the battery jig, you must measure the
voltage 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.
+ Terminal
(Red)
– Terminal
(Black)
C3
100 /25V
C2
470P/25V
C1
100P/25V
R1
1.8M
–
S
+
Power
supply
Power cable
SCHEMATIC DIAGRAM
(24 pages)
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