TK-3301
22
ADJUSTMENT
Common Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Setting
1) BATT terminal votage: 7.5V
2) SSG standard modulation
MOD: 1kHz, DEV: 1.5kHz
2. VCO lock
voltage
TX
1) CH: 5
PTT:
ON
Power
meter
DVM
TX-RX
ANT
cable
LV (CV)
TX-RX
TC2
3.5V
±0.1V
3. VCO lock
voltage
RX
2) CH: 1
Check
0.6V or more
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Frequency
Adjust
1) CH: 5-1
PTT:
ON
f. counter
ANT
cable
TX-RX
VR1
446.05625MHz
±50Hz
2. Low
Transmit
Power
1) TEST CH: 5-1
Power
meter
Ammeter
FPU
0.6W±0.05W
0.8A or less
3. Maximum
Deviation
1) TEST CH: 6-1
AG:
1kHz/150mV
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
PTT:
ON
Power
meter
Deviation
meter
Oscilloscope
AG
AF VTVM
ANT
cable
SP/MIC
connector
2.2kHz (According to
the , –)
±50Hz
4. DQT
Balance
1) TEST CH: 6-1
Deviation meter fi lter
LPF: 3kHz
HPF: OFF
PTT:
ON
Make the demodu-
lation wave into
square waves.
5. QT Fine
Deviation
1) TEST CH: 6-3
Deviation meter fi lter
LPF: 3kHz
HPF: OFF
PTT:
ON
0.40kHz
±40Hz
6. DQT Fine
Deviation
1) TEST CH: 6-6
Deviation meter fi lter
LPF: 3kHz
HPF: OFF
PTT:
ON
0.35kHz
±40Hz
