TK-3501
20
ADJUSTMENT
Common Section
Item
Condition
Measurement
Adjustment
Specifications / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Setting
1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO Lock
Voltage
1) Adj item: High
TX-RX ANT
(CV)
FPU
2.2V
±0.1V
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifications / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Frequency
1) Adj item: High
Press [Transmit] button.
f. counter
TX-RX ANT
FPU
446.16875MHz
±50Hz
2. Transmit
Power and
Protective
Current
*Note
1) Adj item: Center
BATT terminal voltage: 7.5V
Press [Transmit] button.
Power
meter
Ammeter
FPU
0.85W
±0.05W
0.5A or less
3. DQT
Balance
1) Adj item: Center
(Signaling
Square Wave)
Deviation meter filter
LPF: 3kHz
HPF: OFF
Press [Transmit] button.
Power
meter
Deviation
meter
Oscilloscope
AG
AF VM
TX-RX ANT
SP/MIC
connector
FPU
Make the modulation
wave into square
waves.
5. Maximum
Deviation
1) Adj item: Center
AG: 1kHz/150mV
Deviation meter filter
LPF: 15kHz
HPF: OFF
Press [Transmit] button.
2.0kHz
±50Hz
6. Battery
Warning
Level
1) BATT terminal voltage: 5.9V
DVM
TX-RX BATT
terminal
FPU
Write
BATT terminal voltage: 5.9V
*Note : Please do not adjust Transmit power without connecting TX Power meter or 50 ohm dummy lead to the Ant terminal.
Please use SMA receptacle (E04-0486-05) and screw (N09-2438-05 2pcs).