HYT TC-610P Service Manual page 83

RX Low
Voltage
Threshold
TC-610P UHF
(1) Outside the Adjustment Mode
Item Condition
Rotate the Channel
Tx
Selector Knob to CH2
Frequency
and press PTT to
Tolerance
transmit.
Rotate the Channel
Selector Knob to CH1
and press PTT to
Tx VCO Lock transmit.
Voltage
Rotate the Channel
Selector Knob to CH3
and press PTT to
transmit.
Rotate the Channel
Selector Knob to CH1.
Rx VCO
Lock Voltage
Rotate the Channel
Selector Knob to CH3.
Rotate the Channel
Selector Knob to CH1,
CH2 and CH3, press
Max. PTT to transmit.
deviation
Rotate the Channel
Selector Knob to CH4,
CH5 and CH6, press
PTT to transmit.
Power
Digital
Supply
Voltmeter
Port
Test
Test Test
Instrument point
Communication
Antenna
Test Set
Digital
CV
Voltmeter
Communication
Test Set BPF: Antenna
0.3 KHz-3KHz Earpiece
AF: 1KHz Jack
150mV
81
TC-610P Service Manual
Adjust the output
voltage and check the
Power
emergency
level (red
Supply
LED flashes and alert
tone sounds).
Adjustment
Part Method
Adjust VR300 with
ceramic tuning tool to
VR300 control the center
frequency within the
error range.
Adjust TC100 with
ceramic tuning tool
until the lock voltage
meets the
requirements.
TC100
Check
Adjust TC101 with
ceramic tuning tool
until the lock voltage
meets the
TC101
requirements.
Check
Adjust VR200 with
ceramic tuning tool
until deviation
satisfies the
VR200 requirements.
Check
≤6.56V
Specifications
/ Remarks
≤150Hz
0.7V (+0.1V)
≤4V
0.7V (+0.1V)
≤4V
3.5-4.1kHz
1.6-2.2kHz