Kenwood NX-200 Service Manual page 56

NX-200(G)
Mode Signaling
Audio
NXDN
CWID
• Balance is common with all the above deviation adjustments. If Balance (Transmitter Section 3) has already adjusted, please skip Step1 and adjust from
Step2.
• Maximum Deviation (Analog Wide/Narrow) is common with all the analog signaling deviations and CWID Deviation (NXDN Very Narrow). If Balance and
Maximum Deviation (Analog Wide/Narrow) (Transmitter Section 5) have already adjusted, please skip Step2 and adjust from Step3.
Receiver Section
Item
Panel tuning mode
1. AF level [Panel test mode]
setting 1) CH-Sig: 1-1
SSG output:
–47dBm (1mV)
(MOD: 1kHz/±1.5kHz)
Wide/Narrow: Narrow
Beat Shift: Uncheck
Compander: Uncheck
2. Sensitivity 1 1) Adj item: [SENS1]
adjust Adjust: [‫]٭٭٭‬
2) Adj item:
[L SENS1]→
[L' SENS1]→
[C SENS1]→
[H' SENS1]→
[H SENS1]
Adjust: [‫]٭٭٭‬
Press [ ] key to store
the adjustment value.
3) Adj item:
[L SENS1]→
[L' SENS1]→
Adjust: [‫]٭٭٭‬
Caution:
Perform the step 3 adjustments of "3. Sensitiv-
ity 2 adjust" before performing the
[L SENS1] and [L' SENS1] adjustment.
SSG output:
–90dBm (7.08µV)
(MOD: 1kHz/±1.5kHz)
Press [ ] key to
store the adjust-
ment value.
56
ADJUSTMENT
Wide
-
-
Condition
PC test mode
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
Wide/Narrow: Narrow
Beat Shift: Uncheck
Compander: Uncheck
SSG output:
–47dBm (1mV)
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[Sensitivity 1]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
3) Adj item: [Low],
[Low']
SSG output:
–90dBm (7.08µV)
(MOD: 1kHz/±1.5kHz)
Press [Apply All]
button to store the
adjustment value.
Necessary adjustment and order
Narrow
Step1. Balance adjust
Step2. Maximum Deviation (NXDN Narrow)
-
Measurement
Test-
Unit Terminal Unit
equipment
SSG Panel ANT Panel Volume
DVM Universal
AF VM connector
Dummy load
SSG Panel ANT
AF VTVM Universal
Oscilloscope connector
Very Narrow
Step1. Balance adjust
Step2. Maximum Deviation (NXDN Very Narrow)
Step1. Balance adjust
Step2. Maximum Deviation (Analog Narrow)
Step3. CWID Deviation (NXDN Very Narrow)
Adjustment
Specifi cations /
Parts Method
Turn the Volume 0.63V±0.1V
knob knob to obtain
0.63V AF output.
[Panel Write the value as
followings.
tuning
[L SENS1] / [Low]
mode]
: 10 (Preset)
[ ],
[L' SENS1] / [Low']
[ ]
: 50 (Preset)
[C SENS1] / [Cen-
[PC test
ter]
mode]
: 95 (Fixed)
[ ],[ ]
[H' SENS1] / [High']
: 135 (Fixed)
[H SENS1] / [High]
: 180 (Fixed)
Increase the adjust-
ment value from
step 2 adjustment
value (preset value)
of "2. Sensitivity 1
adjust".
Remarks