Kenwood NX-300S Service Manual page 42

NX-300(S)
Radio Check Section
Item
1. Frequency 1) Test Channel
check Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
2. High power 1) Test Channel
check Channel: 1
(Batt: 7.5V) Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
2) Test Channel
Channel: 2
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
3) Test Channel
Channel: 3
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
3. Low power 1) Test Channel
check Channel: 1
(Batt: 7.5V) Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
2) Test Channel
Channel: 2
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
3) Test Channel
Channel: 3
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
4. MIC 1) Test Channel
sensitivity Channel: 1
check Test Signaling
Mode: Analog
Signaling: 1
AG: 1kHz
PTT: Press [Transmit] button.
42
ADJUSTMENT
Condition
equipment
f. counter
Power
meter
Ammeter
Deviation
meter
Oscilloscope
AG
AF VM
Measurement
Test-
Unit Terminal Unit
ANT
ANT
Universal
connector
Adjustment
Specifi cations /
Parts Method
Check an internal 435.100021~
temperature of 435.100239MHz
radio within 25˚C ± (+0.05/+0.55ppm
2˚C. @435.1MHz)
Check 4.5W~5.5W
2.3A or less
0.7W~1.2W
1.2A or less
Adjust AG input 12.5mV±5.8mV
to get a standard
MOD.
Remarks