Kenwood TK-2302 Service Manual page 27

Common Section
Item Condition
1. Setting 1) BATT terminal votage: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO lock 1) CH: High
voltage
RX
2) CH: Low
3. VCO lock 3) CH: High
voltage PTT: ON
TX
4) CH: Low
PTT: ON
Transmitter Section
Item Condition
1. Frequency 1) CH: High
Adjust PTT: ON
2. High 1) TEST CH: Low, Low', Center,
Transmit High', High (5 points)
Power BATT terminal voltage: 7.5V
PTT: ON
3. Low 1) TEST CH: Low, Low', Center,
Transmit High', High (5 points)
Power BATT terminal voltage: 7.5V
PTT: ON
4. Maximum 1) TEST CH: Center, Low, High
Deviation (3 points)
[Wide] AG: 1kHz/150mV
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
PTT: ON
[Narrow] 2) TEST CH: Center
PTT: ON
5. DQT 1) TEST CH: Center, Low, High
Balance (3 points)
[Wide] Deviation meter fi lter
LPF: 3kHz
HPF: OFF
PTT: ON
[Narrow] 2) TEST CH: Center
PTT: ON
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power ANT TX-RX
meter
DVM TX-RX LV (CV)
TX-RX
Measurement
Test-
Unit Terminal Unit
equipment
f. counter ANT TX-RX
Power
meter
Ammeter
Power ANT
meter
Deviation
meter
Oscilloscope
AG SP/MIC
AF VTVM connector
TK-2302/2302
Adjustment
Parts Method
TC1 4.0V ±0.1V
Check 0.6V or more
TC2 4.1V ±0.1V
Check 0.6V or more
Adjustment
Parts Method
VR1 173.900MHz ±50Hz
FPU 5.0W±0.1W
2.0A or less
1.0W±0.1W
1.0A or less
4.4kHz (According to ±80Hz
the lager +, –)
2.2kHz (According to ±80Hz
the lager +, –)
Make the demodu-
lation wave into
square waves.
V /2306
( )
Specifi cations / Remarks
Specifi cations / Remarks
27