Common Section - Kenwood NX-3220 K Service Manual

Item
Panel test mode
3. 1)CH-Sig: 1-1
Low PTT: ON
power
check
(Battery
voltage:
2)CH-Sig: 2-1
7.5V)
PTT: ON
3)CH-Sig: 3-1
PTT: ON
4. 1)CH-Sig: 1-1
MIC AG: 1kHz
sensitivity PTT: ON
check
5. 1)CH-Sig: 1-1
Sensitivity SSG output
check Wide:
-117dBm
(0.32μV)
(MOD:
1kHz/±3kHz)
Narrow:
-117dBm
(0.32μV)
(MOD: 1kHz/
±1.5kHz)
4.7

Common Section

Item Condition
Panel tuning
mode
1. 1) DC voltage:7.5V
Setting 2) SSG standard modulation
[Wide] MOD:1kHz,DEV:3kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2.LCD 1) Adj item 1) Adj item
Contrast [CNTR] [LCD Contrast]
Adjust:[****] Data: [****]
Press [ ] Press [Apply] button
button to store to store the
the adjustment adjustment value.
value.
1-40 (No.RA053<Rev.001>)
Condition
PC test mode
1)Test Channel
Channel: 1
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
Channel: 1
Test Signaling Type: Analog
Signaling: 1
AG: 1kHz
PTT: Press [Transmit] button.
1)Test Channel
Channel: 1
Test Signaling Type: Analog
Signaling: 1
SSG output
Wide: -117dBm (0.32μV)
(MOD: 1kHz/±3kHz)
Narrow: -117dBm (0.32μV)
(MOD: 1kHz/±1.5kHz)
Measurement
PC test mode Test-
equipment
Measurement
Test- Unit Terminal Unit Parts
equipment
Power meter Panel ANT
Ammeter
Deviation Panel ANT
meter SP/MIC
Oscilloscope connector
AG
AF VM
SSG Panel ANT
AF VM SP/MIC
Oscilloscope connector
Distortion
meter
8ohm
Dummy load
Unit Terminal Unit Parts
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[+], [-]
Adjustment Specifications
Method
Check 0.7~1.4W
1.0A or less
Adjust AG 12.5mV
input to get ±5.8mV
a standard
MOD.
Check 12dB SINAD
or more
Adjustment Specifications
Method
Write the value as
followings.
126 (Reference value)
/Remarks
/Remarks