Kenwood TK-2402(V) Service Manual page 27

Common Section
Item Condition
1. Setting 1) Power supply voltage
DC power supply terminal : 7.5V
2. Receive 1) Auto tuning
Assist *Note
Voltage
2) CH: Low
3. Transmit 1) Auto tuning
Assist *Note
Voltage
2) CH: Low
*Note: At test mode, click [Tune Assist Voltage] button in test mode dialog box, then start automatic adjustment of Receive/Transmit assist voltage.
Transmitter Section
Item Condition
1. Frequency 1) TEST CH: Center
PTT: ON
2. High Power 1) TEST CH: Low, Low', Center,
High', High (5 points)
2) BATT terminal voltage: 7.5V
3) PTT: ON
3. Low Power 1) TEST CH: Low, Center, High
(3 points)
2) BATT terminal voltage: 7.5V
3) PTT: ON
4. DQT 1) TEST CH: Low, Low', Center,
Balance 2 High', High (5 points)
2) Deviation meter fi lter
LPF: 3kHz
HPF: OFF
3) PTT: ON
5. Maximum 1) TEST CH: Center, Low, Low',
Deviation High, High' (5 points)
*Note 2) Deviation meter fi lter
LPF: 15kHz
HPF: OFF
3) PTT: ON
TK-2402(V)/2402/2406/2407
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Digital ANT TX-RX FPU
Voltage
Multimeter
TX-RX CVIN
TX-RX FPU
Measurement
Test-
Unit Terminal Unit
equipment
f. counter ANT TX-RX FPU
Power
meter
Ammeter
Deviation ANT
meter
Oscilloscope
Adjustment
Parts Method
4.0V±0.1V
Check 0.6V or more
4.0V±0.1V
Check 0.6V or more
Adjustment
Parts Method
155.100MHz ±50Hz
FPU 5.0W ±0.1W
2.0A or less
1.0W ±0.1W
1.0A or less
The Deviation of ±0.2dB
20Hz frequency is
fi xed.
Change the 1kHz
adjustment value to
become the same
deviation of 20Hz
within the specifi ed
range.
2.0kHz (According ±50Hz
to larger +, –)
Note:
FPU AUTO INPUT
1kHz/150mV
Specifi cations / Remarks
Specifi cations / Remarks
27