HYT TC-500 Service Manual page 62

Transmitter
Item
1. TX Center. Turn to
7.Transmit
CH13 in manual adjust
frequency
mode and press PTT.
1. TX Center. Turn to
CH13 in manual adjust
8.Max.
mode and press PTT
Deviat-ion
(long press MONI key
to switch N/W).
1. TX Center. Turn to
CH13 in manual adjust
9. Modulation mode and press PTT
Sensitivity (long press MONI key
to switch N/W).
1. TX Center. CTCSS:
67.0Hz. Turn to CH4 in
manual adjust mode.
10. CTCSS
Balance
2. TX Center. CTCSS:
250.3Hz. Turn to
CH16 in manual adjust
mode and press PTT.
1. TX Center. Turn to
CH4 (wide) and CH4
11. CTCSS (narrow) in manual
Deviation adjust mode. Adjust by
pressing PTT or
MONI.
1. TX Center. Turn to
CH5 (wide) and CH7
12. CDCSS (narrow) in manual
Deviation adjust mode. Adjust by
pressing PTT or
MONI.
Condition
Radio
Communication
Test Set
Radio
Communication
Test Set
LPF: 15kHz
Audio:1kHz
120mV
Radio
Communication
Test Set
FILTER:
FILER:
0.3-3.4kHz
Audio:1kHz
12±2mV
Radio
Communication
Test Set
LPF:300Hz
Radio
Communication
Test Set
LPF:300Hz
Measurement
Test
Terminal Parts
equipment
ANT
ANT
MIC
Jack
ANT
MIC
Jack
ANT
ANT
61
TC-500 Service Manual
Adjustment
Method
Adjust it to center
TC6
frequency
Adjust deviation
to: 4.0kHz± 200Hz
(Wide)
VR2
Check
2.0kHz± 200Hz
(narrow)
Check deviation:
3.0kHz(Wide)
1.5 kHz(narrow)
Adjust VR3,
deviation tested
on condition 1 and
VR3
condition 2 are
consistent, the
difference≤200Hz
Adjust deviation
to:
0.65kHz±100Hz
(Wide)
0.4kHz± 100Hz
(Narrow)
Adjust deviation
to:
0.65kHz±100Hz
(Wide)
0.4kHz± 100Hz
(Narrow)
Specific-a
tions
/Remarks
Error
≤± 250Hz
67.0Hz
CTCSS
250.3Hz
CTCSS