Kenwood NX-3720HG Service Manual page 69

Item
Panel test
mode
3. 1)CH-Sig: 1-1
Low PTT: ON
power TA: OFF
check
2)CH-Sig: 2-1
PTT: ON
TA: OFF
3)CH-Sig: 3-1
PTT: ON
TA: OFF
4. 1)CH-Sig: 1-1
MIC AG: 1kHz
sensitivity PTT: ON
check
5. 1)CH-Sig: 1-1
Sensitivity SSG output
check Wide 5k:
-117dBm
(0.32μV)
(MOD:
1kHz/±3kHz)
Wide 4k:
-117dBm
(0.32μV)
(MOD: 1kHz/
±2.4kHz)
Narrow:
-117dBm
(0.32μV)
(MOD: 1kHz/
±1.5kHz)
Condition
PC test mode
1)Test Channel Power meter
Channel: 1 Ammeter
Test Signaling
Type: Analog
Signaling: 1
PTT: Press
[Transmit] button.
2)Test Channel
Channel: 2
Test Signaling
Type: Analog
Signaling: 1
PTT: Press
[Transmit] button.
3)Test Channel
Channel: 3
Test Signaling
Type: Analog
Signaling: 1
PTT: Press
[Transmit] button.
1)Test Channel Deviation
Channel: 1 meter
Test Signaling Oscilloscope
Type: Analog AG
Signaling: 1 AF VM
AG: 1kHz
PTT: Press
[Transmit] button.
1)Test Channel SSG
Channel: 1 AF VM
Test Signaling Oscilloscope
Type: Analog Distortion
Signaling: 1 meter
SSG output 4ohm
Wide 5k: Dummy load
-117dBm (0.32μV)
(MOD: 1kHz/±3kHz)
Wide 4k:
-117dBm (0.32μV)
(MOD: 1kHz/±2.4kHz)
Narrow:
-117dBm (0.32μV)
(MOD: 1kHz/±1.5kHz)
Measurement
Test- Unit Terminal Unit Parts
equipment
Panel ANT
Panel ANT
MIC jack
Panel ANT
Ext. SP
connector
Adjustment Specifications
/Remarks
Method
Check 3.5W~6.5W
7.0A or less
Adjust AG 5mV ±1mV
input to get a
standard
MOD.
Check 12dB SINAD
or more
(No.RA054<Rev.001>)1-69