TK-3107G
32
ADJUSTMENT
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Transmit
frequency
(PC
mode)
1) CH: TX center
PTT:
ON
f.counter
TX-RX
ANT
PC
key
Adjust to center
frequency
Within ±100Hz
2. DQT/QT
Balance
(PC
mode)
1) CH: TX center
Modulation
analyzer
or Linear
detector
(LPF: 3kHz)
Oscilloscope
TX-RX
VR500 Rectify the waveform
to square wave
3. Power
(PC
mode)
1) CH:TX center
Battery terminal: 7.5V
PTT:
ON
Power
meter
Ammeter
Adjust it to 4.1W
±0.1W
1.8A or less
4. MAX DEV
1) CH: TX center
AG:
1kHz/120mV
PTT:
ON
Modulation
analyzer
or Linear
detector
(LPF: 15kHz)
Oscilloscope
AG
AF V.M
ANT
MIC
TX-RX
VR501 Adjust it to ±4.2kHz
(Wide)
Narrow check
(+, – Peak whichever
is Maximum)
±100Hz
±1.8kHz~2.2kHz
5. MIC SENS
1) CH: TX center
AG:
1kHz/12mV
Check
(+, – Peak whichever
is Maximum)
±2.2kHz~3.8kHz (Wide)
±1.1kHz~1.9kHz (Narrow)
6. QT DEV
(PC
mode)
1) CH: TX high
QT:
67.0Hz
Modulation
analyzer
or Linear
detector
(LPF: 3kHz)
Oscilloscope
AG
AF V.M
ANT
PC
key
Adjust it to ±0.75kHz
(Wide)
Adjust it to ±0.35kHz
(Narrow)
±50Hz
7. DQT DEV
(PC
mode)
1) DQT: 023N center
Modulation
analyzer
or Linear
detector
(LPF: 3kHz)
Oscilloscope
Adjust it to ±0.65kHz
(Wide)
Adjust it to ±0.30kHz
(Narrow)
±50Hz
8. Battery
Level
(PC
mode)
1) Battery terminal: 5.8V
Digital
voltmeter
BATT
Adjust so that the
LED fl ashes.
The LED must fl ash.
Fig. 1
CENTER 460.0MHz: C
410.0MHz: C2
