Kenwood NX-220 K Service Manual page 62

Vhf digital transceiver
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NX-220
Item
Panel test mode
5. Sensitivity
1) CH-Sig : 1-1
check
SSG output
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)
Common Section
Item
Panel tuning mode
1. Setting
1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Wide 5k] MOD: 1kHz, DEV: 3kHz
[Wide 4k] MOD: 1kHz, DEV: 2.4kHz
[Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Counter-
1) Adj item: [VOL1]
clockwise
Adjust: [✳✳✳]
Volume
3. Clockwise
1) Adj item: [VOL2]
volume
Adjust: [✳✳✳]
62
ADJUSTMENT (E TYPE)
Condition
PC test mode
equipment
1) Test Channel
SSG
Channel: 1
AF VTVM
Test Signaling
Oscilloscope
Mode: Analog
Distortion
Signaling: 1
meter
SSG output
8Ω dummy
Wide 5k:
load
–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
equipment
1) Adj item:
[Counterclockwise
Volume]
1) Adj item:
[Clockwise Volume]
Measurement
Test-
Unit Terminal Unit
Panel
ANT
SP/MIC
connector
Measurement
Test-
Unit Terminal Unit
Adjustment
Specifi cations /
Parts
Method
Check
12dB SINAD or
more
Adjustment
Specifi cations /
Parts
Method
[Panel tuning mode]
This item is needed
Turn the volume
when the variable
knob counterclock-
resistor (R31-0685-
wise fully. Press
05) is replaced.
[B] key to store the
adjustment value.
[PC test mode]
Turn the volume
knob counterclock-
wise fully. Press
[Apply] button to
store the adjust-
ment value.
[Panel tuning mode]
This item is needed
Turn the volume
when the variable
knob clockwise
resistor (R31-0685-
fully. Press [B] key
05) is replaced.
to store the adjust-
ment value.
[PC test mode]
Turn the volume
knob clockwise
fully. Press [Apply]
button to store the
adjustment value.
Remarks
Remarks

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