28
TK-7102
TK-260
:K, K2
Test frequency(MHz)
Channel
TX
RX
1: Center
160.100
160.050
2: Low
146.100
146.050
3: High
173.900
173.950
4
160.000
160.000
5
160.200
160.200
6
160.400
160.400
Use KPG-70D programming software for adjustment of the next items.
ADJUSTMENT
Parts
TC2
TC1
L22
TC3
TC5
Method
5.5V
5.5V
Check
3.2~3.3V(DC)
Adjust the BPF waveform to Fig.1
Specifications/
Remarks
±
0.1V
±
0.1V
0.8V or more
Terminal
CV
AFV
ANT
BPF
Test equipment
Digital voltmeter
SSG
Digital voltmeter
Tra generator
Spectrum analyzer
Condition
1) Power supply voltage
DC Power supply teriminal:13.6V
1) CH: TX high
2) CH: RX high
3) CH: TX low
4) CH: RX low
1) CH: RX center wide
2) SSG output: -53dBm(501uV)
Mod: 1kHz, Dev: 3kHz
1) CH: RX center wide
CH: RX low wide
CH: RX high wide
2) Tra generator output: -30dBm
Connect the spectrum analyzer
to BPF terminal
PCB Section
Item
1. Setting
2. VCO lock
voltage
3. IF Coil
4. RF Band-
pass filter
Measurement
Adjustment
Parts
PC key
Method
Check
Adjust to open the squelch.
Specifications/
Remarks
SINAD:
12dB or higher
Terminal
ANT
Ext. SP
Test equipment
SSG
Oscilloscope
AF. V. M
Distortion meter
Condition
1) CH: RX low:
Wide/Narrow
CH: RX center:
Wide/Narrow
CH: RX high:
Wide/Narrow
2) SSG output:
-118dBm(0.28
µ
V):
Wide
-116dBm(0.35
µ
V):
Narrow
Mod: 1kHz
Dev:
±
3.0kHz: Wide
Dev:
±
1.5kHz: Narrow
1) CH: RX low:
Wide
CH: RX center:
Wide/Narrow
CH: RX high:
Wide
2) SSG output:
9dB above to 12dB SINAD level:
Wide/Narrow
Mod: 1kHz
Dev:
±
3.0kHz: Wide
Dev:
±
1.5kHz: Narrow
1) CH: RX low:
Wide
CH: RX center:
Wide/Narrow
CH: RX high:
Wide
2) SSG output:
2dB above to 12dB SINAD level:
Wide/Narrow
Mod: 1kHz
Dev:
±
3.0kHz: Wide
Dev:
±
1.5kHz: Narrow
Receiver Section
Item
1. Sensitivity
2. Squelch 9
3. Squelch 1
Measurement
Adjustment
