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(0.28µV): Wide
-116dBm(0.35µV): 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