TK-2102G
23
ADJUSTMENT
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Frequency
adjust
1) TEST CH: Center
PTT:
ON
Frequency
counter
TX-RX
ANT
Program-
ming
software:
KPG-55D
(Windows
version:
ver.4.00
or later)
Center frequency
±50Hz
Note: After replacing the
TCXO (X1) align frequency.
2. DQT/QT
Balance
1) TEST CH: Center
PTT:
ON
Power
meter
Deviation
meter
Oscillo-
scope
TX-RX
VR500 Adjust the demodu-
lation wave into a
square wave.
3. RF Power
1) TEST CH: Low
BATT terminal voltage: 7.5V
PTT:
ON
Power
meter
Ammeter
Program-
ming
software:
KPG-55D
(Windows
version:
ver.4.00
or later)
5.1W
±0.1W
1.6A or less
4. Max
Deviation
[Wide]
1) TEST CH: Center
AG:
1kHz/120mV
Deviation meter fi lter
LPF:
15kHz
HPF:
OFF
PTT:
ON
Power
meter
Deviation
meter
Oscillo-
scope
AG
AF VTVM
ANT
SP/MIC
connec-
tor
TX-RX
VR501 4.2kHz
(According to the
,-)
±0.1kHz
[Narrow]
2) TEST CH: Center
PTT:
ON
Check
±1.8kHz~2.2kHz
Common Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Setting
1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO lock
voltage
RX
1) TEST CH: High
Power
meter
DVM
TX-RX
ANT
CV
TX-RX
TC2
3.8V
±0.1V
2) TEST CH: Low
Check
0.7V or more
3. VCO lock
voltage
TX
1) TEST CH: High
PTT:
ON
TX-RX
TC1
3.8V
±0.1V
2) TEST CH: Low
PTT:
ON
Check
0.7V or more