HYT TC-610P Service Manual page 77

Rotate the Channel
Selector Knob to
CH3.
Rx VCO Lock
Voltage
Rotate the Channel
Selector Knob to
CH1.
Rotate the Channel
Selector Knob to
CH1, CH2 and CH3,
press PTT to transmit.
Max.
deviation
Rotate the Channel
Selector Knob to
CH4, CH5 and CH6,
press PTT to transmit.
Rotate the Channel
Selector Knob to
CH1, CH2 and CH3,
press PTT to transmit.
Modulation
Sensitivity
Rotate the Channel
Selector Knob to
CH4, CH5 and CH6,
press PTT to transmit.
2） Adjustment in the mode (Note: be sure to connect antenna or load before adjustment)）
Item
Rotate the Channel
Selector knob to CH4
and press PTT to
enable this function at
low frequency.
Tx
Power
Short press PTT to
switch among
frequencies (refer to
the table of Adjustment
Items).
Communication
Test Set
BPF:
<20Hz~15kHz
AF: 1kHz
150mV
Communication
Test Set
BPF: 0.3
KHz-3KHz
AF: 1KHz
Condition
Test
Instrument
Communication
Test Set /
Ammeter
TC101
VR200
Antenna
Earpiece
Jack
Test
Test
Part
point
Antenna
SK1
Connect-
SK2
or
75
TC-610P Service Manual
Adjust TC101 with
ceramic tuning tool until
the lock voltage meets
the requirements.
Check
Adjust VR200 with
ceramic tuning tool until
deviation satisfies the
requirements.
Check
Adjust output signal of
the communication test
set, until frequency
deviation gets 3.0KHz.
Adjust output signal of
the communication test
set, until frequency
deviation gets 1.5KHz.
Adjustment
Specifications
Method
4.6-5.0W
Press SK1 or SK2 to
I≤1.7A
adjust the output
(radio for
power, and rotate the
German needs
Channel Selector
2.3-2.7W
Knob to save it.
I≤1.7A)
2.7-2.9V
≥0.8
3.5-4.1KHz
(radio for
German
needs
2.6-3.1KHz)
1.7-2.3KHz
(radio for
German
needs ≥1.3
KHz)
6-16mV
6-16mV
/ Remarks