Kenwood TK-8102 Service Manual page 31

TK-8102
Use KPG-70D programming software for adjustment of the next items.
PCB Section
Item
1. Setting 1) Power supply voltage
DC Power supply teriminal:13.6V
2. VCO lock 1) CH: TX high
voltage
2) CH: RX high
3) CH: TX low
4) CH: RX low
3. IF Coil 1) CH: RX center wide
2) SSG output: -53dBm(501uV)
Mod: 1kHz, Dev: 3kHz
4. RF Band- 1) CH: RX center wide
pass filter CH: RX low wide
CH: RX high wide
2) Tra generator output: -30dBm
Connect the spectrum analyzer
to BPF terminal
Receiver Section
Item
1. Sensitivity 1) CH: RX low:
CH: RX center:
CH: RX high:
2) SSG output:
-118dBm(0.28µV):
-116dBm(0.35µV):
Mod: 1kHz
Dev: ±3.0kHz: Wide
Dev: ±1.5kHz: Narrow
2. Squelch 9 1) CH: RX low:
CH: RX center:
CH: RX high:
2) SSG output:
9dB above to 12dB SINAD level:
Wide/Narrow
Mod: 1kHz
Dev: ±3.0kHz: Wide
Dev: ±1.5kHz: Narrow
3. Squelch 1 1) CH: RX low:
CH: RX center:
CH: RX high:
2) SSG output:
2dB above to 12dB SINAD level:
Wide/Narrow
Mod: 1kHz
Dev: ±3.0kHz: Wide
Dev: ±1.5kHz: Narrow
Test frequency(MHz)
TK-8102 M
Channel TX
1: Center 470.100
2: Low 450.100
3: High 489.900
4 470.000
5 470.200
6 470.400
TK-260 :K, K2
30
ADJUSTMENT
Measurement
Condition Test equipment
Digital voltmeter
SSG
Digital voltmeter
Tra generator
Spectrum analyzer
Measurement
Condition Test equipment
Wide/Narrow SSG
Oscilloscope
Wide/Narrow
AF. V. M
Wide/Narrow
Distortion meter
Wide
Narrow
Wide
Wide/Narrow
Wide
Wide
Wide/Narrow
Wide
TK-8102 M2
RX Channel
470.050 1: Center
450.050
2: Low
489.950 3: High
470.000 4
470.200 5
470.400 6
Adjustment
Terminal Parts
CV TC2 5.5V
TC1 5.5V
Check
AFV L22 3.2~3.3V(DC)
ANT TC3
BPF TC5
Adjustment
Terminal Parts
ANT Check
Ext. SP
PC key Adjust to open the squelch.
TX RX
502.600 502.550
485.100 485.050
519.900 519.950
502.000 500.200
502.200 502.200
502.400 502.400
Specifications/
Method Remarks
±0.1V
±0.1V
0.7V or more
Adjust the BPF waveform to Fig.1
Specifications/
Method Remarks
SINAD:
12dB or higher
TK-8102 M3
Channel TX RX
1: Center 415.10000 415.05000
2: Low 400.10000 400.05000
3: High 429.90000 429.95000
4 415.00000 415.00000
5 415.20000 415.20000
6 415.40000 415.40000