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Kenwood Manuals
Transceiver
NX-3220 K
Service manual
Kenwood NX-3220 K Service Manual page 80
Vhf digital transceiver, uhf digital transceiver
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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4.18 Receiver Section
Item
Condition
Panel tuning
mode
1.
[Panel test mode]
AF level
1) CH-Sig: 1-1
setting
SSG output:
-47dBm (1mV)
(MOD: 1kHz/
±1.5kHz)
2. IQ
1) Adj item:
Phase
[An IQ]
Adjust:[****]
2) Adj item:
[L1]→
[L3]→
[C2]→
[H1]→
[H3]
SSG output:
Freq: Tune
Freq +8kHz
level: -53dBm
(500μV)
(MOD:OFF)
3. RSSI
1) Adj item:
reference
[An RSSI 1]
[DSP
Adjust:[****]
(Receive)]
2) Adj item:
[L1]→
[L3]→
[C2]→
[H1]→
[H3]
SSG output:
12dB SINAD
level -3dB
(MOD:
1kHz/±1.5kHz)
1-80 (No.RA053<Rev.001>)
PC test mode
Test-
equipment
1) Test Channel
SSG
Channel: 1
DVM
Test Signaling
AF VM
Type: Analog
Dummy load
Signaling: 1
SSG output:
-47dBm (1mV)
(MOD:1kHz/
±1.5kHz)
1) Adj item:
SSG
[IQ Phase]
2) Adj item:
[Low1]→
[Low3]→
[Center2]→
[High1]→
[High3]
SSG output:
Freq: Tune Freq
+8kHz
level: -53dBm
(500μV)
(MOD:OFF)
1) Adj item:
SSG
[RSSI Reference
Distortion
(Analog Narrow)
meter
1 DSP (Receive)]
Oscilloscope
2) Adj item:
[Low1]→
[Low3]→
[Center2]→
[High1]→
[High3]
SSG output:
12dB SINAD level
-3dB
(MOD:
1kHz/±1.5kHz)
Measurement
Unit Terminal Unit
Panel ANT
Panel Volume
SP/MIC
connector
Panel ANT
Panel [Panel
SP/MIC
connector
Panel ANT
Panel
SP/MIC
connector
Adjustment
Parts
Method
Turn the Volume knob
knob
to obtain 0.63V AF
output.
[Panel tuning mode]
tuning
After input signal from
mode]
SSG, Increase or
[],
decrease the
[]
adjustment value so
[PC
that the RSSI indicator
test
level becomes
mode]
minimum.
[+], [-]
[PC test mode]
[Automatic
Adjustment]
After input signal from
SSG,
1) Press [Autotune]
button.
2) Press [Apply]
button to store the
adjustment value after
the automatic
adjustment has
finished.
[Panel tuning mode]
After input signal from
SSG, press [
]
button to store the
adjustment value.
[PC test mode]
After input signal from
SSG,
1) Press [Acquire
Monitored Value]
button.
2) Press [Apply]
button to store the
adjustment value.
Specifica
tions
/Remarks
0.63V
±0.1V
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This manual is also suitable for:
Nx-3220 k2
Nx-3220 k3
Nx-3220 e
Nx-3220 e2
Nx-3220 e3
Nx-3320 k
...
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Nx-3320 k2
Nx-3320 k3
Nx-3320 e
Nx-3320 e2
Nx-3320 e3
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