Kenwood TK-7102 Service Manual page 29

Transmitter section
Item Condition
1. Frequency 1) CH: TX center
2) Transmit
2. High power 1) CH: TX low
CH: TX low'
CH: TX center
CH: TX high'
CH: TX high
2) Transmit
3. Low Power 1) CH: TX low
CH: TX low'
CH: TX center
CH: TX high'
CH: TX high
2) Transmit
4. DQT 1) CH: TX low:
CH: TX center:
balance
CH: TX high:
2) Transmit
5. Max 1) CH: TX low:
deviation
CH: TX center:
CH: TX high:
2) AG: 1kHz/50mV
3) Transmit
6. Mic 1) CH: TX center:
sensitivity 2) AG: 1kHz/5mV
3) Transmit
7. QT 1) CH: TX low:
deviation CH: TX center:
CH: TX high:
2) Transmit
8. QT 1) CH: TX low:
deviation CH: TX center:
CH: TX high:
2) Transmit
9. DTMF 1) CH: TX center:
2) Transmit
deviation
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
TK-260 :K, K2
ADJUSTMENT
Measurement
Test equipment
Frequency
counter
Power meter
Wide Modulation
analyzer or linear
Wide/Narrow
Wide detector(LPF: 3kHz)
Oscilloscope
Wide Modulation
analyzer or linear
Wide/Narrow
Wide
detector(LPF: 15kHz)
Oscilloscope
AG
AF.V.M
Wide/Narrow
Wide Modulation
Wide/Narrow analyzer or linear
Wide
detector(LPF: 3kHz)
Oscilloscope
Wide
Wide/Narrow
Wide
Wide/Narrow
Adjustment
Terminal Parts Method
ANT PC key Adjust to center frequency
25W
5W
Adjust the waveform as below
4.0kHz: Wide
ANT
MIC
2.0kHz: Narrow
According to the large +,-
Check
0.75kHz: Wide
0.35kHz: Narrow
0.75kHz: Wide
0.35kHz: Narrow
3.0kHz: Wide
1.5kHz: Narrow
TK-7102
Specifications/
Remarks
within 100Hz
1.0W
0.5W
50Hz
3kHz 0.2kHz: Wide
1.5kHz 0.1kHz: Narrow
0.05kHz
0.05kHz
0.2kHz
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