Hytera HYT TC-500, Руководство по обслуживанию

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TC-500 Service Manual
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Transmitter
Measurement Adjustment
Item Condition
Test
equipment
Terminal Parts Method
Specification
/Remarks
7.Transmit
frequency
1. TX Center. Turn to CH13 in
manual adjust mode and press
PTT.
Radio Communication
Test Set
ANT TC6
Adjust it to center
frequency
Error
≤ ±250Hz
8.Max.
Deviation
1. TX Center. Turn to CH13 in
manual adjust mode and press
PTT (long press MONI key to
switch N/W).
Radio Communication
Test Set
LPF: 15kHz
AF:1kHz 120mV
ANT
MIC Jack
VR2
Adjust deviation to:
4.0kHz±200Hz (Wide)
Check
2.0kHz±200Hz
(narrow)
9. Modulation
Sensitivity
1. TX Center. Turn to CH13 in
manual adjust mode and press
PTT (long press MONI key to
switch N/W).
Radio Communication
Test Set
FILTER:
FILER:
0.3-3.4kHz
AF:1kHz 12
± 2mV
ANT
MIC Jack
Check deviation:
3.0kHz(Wide)
1.5 kHz(narrow)
1. TX Center. CTCSS: 67.0Hz.
Turn to CH4 in manual adjust
mode.
67.0Hz
CTCSS
10. CTCSS
Balance
2. TX Center. CTCSS: 250.3Hz.
Turn to CH16 in manual adjust
mode and press PTT.
Radio Communication
Test Set
LPF:300Hz
ANT VR3
Adjust VR3, deviation
tested on condition 1 and
condition 2 are
consistent, the difference
≤ 200Hz
250.3Hz
CTCSS
11. CTCSS
Deviation
1. TX Center. Turn to CH4
(wide) and CH4 (narrow) in
manual adjust mode. Adjust by
pressing PTT or MONI.
Adjust deviation to:
0.65kHz
±
100Hz(Wide)
0.4kHz ± 100Hz(Narrow)
12. CDCSS
Deviation
1. TX Center. Turn to CH5
(wide) and CH7 (narrow) in
manual adjust mode. Adjust by
pressing PTT or MONI.
Radio Communication
Test Set
LPF:300Hz
ANT
Adjust deviation to:
0.65kHz ± 100Hz(Wide)
0.4kHz ±
100Hz(Narrow)
13. High/low
Power
1. TX Center. Turn to CH13 in
manual adjust mode and press
PTT (long press MONI key to
switch N/W).
Radio Communication
Test Set
ANT
Power
Supply:
6V
Check:
Low:
1.6—2.5W
High: above
3.5W
14.
Low Battery
Alert Level
1. Turn to CH1 in manual adjust
mode. Adjust the power supply
voltage at 5.3V. Adjust by
pressing PTT or MONI.
Digital Voltmeter
Adjust the level to make
LED just flash.