HYT TC-610P, Руководство по обслуживанию

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