Radio Check Section - Kenwood NX-1200 Series Service Manual

4.1.6 Radio check Section

Item
1. Frequency check 1) Test Channel: 1
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
2. High power check 1) Test Channel: 1
(Battery voltage: 7.5V) Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 2
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 3
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
3. Medium power check 1) Test Channel: 1
(Battery voltage: 7.5V) Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 2
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 3
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
4. Low power check 1) Test Channel: 1
(Battery voltage: 7.5V) Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 2
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
1) Test Channel: 3
Test Signaling Mode: Analog
Signaling: 1
2) PTT: Press [Transmit] button.
5. MIC sensitivity check 1) Test Channel: 1
Test Signaling Mode: Analog
Signaling: 1
2) AG: 1kHz
3) PTT: Press [Transmit] button.
6. Sensitivity check 1) Test Channel: 1
Test Signaling Mode: Analog
Signaling: 1
2) SSG output
Wide: -116dBm (0.35μV)
(MOD: 1kHz/±3kHz)
Narrow: -115dBm (0.40μV)
(MOD: 1kHz/±1.5kHz)
1-24 (No.RA077<Rev.001>)
NX-1200 Series (K) type
Condition
PC test mode
f. counter
-ANT
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Power meter
-ANT
Ammeter
Deviation meter
Power meter
-ANT
AG AF VM
Oscilloscope
-MIC
SSG-ANT
Distortion meter
8ohm Dummy
AF VM
Oscilloscope
-SP output
Measurement Adjustment
Point
Check
Check
Check
Check
Check
Check
Check
Check
Check
Check
Adjust AG
input to get
a standard
MOD.
Check
Specifications/
Remarks
Method
155.099923~
155.100077MHz
(±0.5ppm@155.1MHz)
4.0~6.0W
2.3A or less
4.0~6.0W
2.3A or less
4.0~6.0W
2.3A or less
3.5~4.5W
2.3A or less
3.5~4.5W
2.3A or less
3.5~4.5W
2.3A or less
0.75~1.25W
1.2A or less
0.75~1.25W
1.2A or less
0.75~1.25W
1.2A or less
15.0mV ± 7.0mV
12dB SINAD or more