Receiver Section - Kenwood NX-200 K2 Service Manual

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. Sensi-
tivity 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.
ADJUSTMENT
Wide
Step1. Balance adjust
Step2. Maximum Deviation (NXDN Narrow)
-
Condition
PC test mode
equipment
1) Test Channel SSG
Channel: 1 DVM
Test Signaling AF VTVM
Mode: Analog Dummy
Signaling: 1 load
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], SSG
[Low'] AF VTVM
Oscilloscope
SSG output:
–90dBm (7.08µV)
(MOD: 1kHz/±1.5kHz)
Press [Apply All]
button to store the
adjustment value.
Necessary adjustment and order
Narrow
Measurement
Test-
Unit Terminal Unit
Panel ANT Panel
Universal
connector
Panel ANT
Universal
connector
NX-200
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
Volume Turn the Volume 0.63V±0.1V
knob knob to obtain
0.63V AF output.
[Panel Write the value as
tuning followings.
mode] [L SENS1] / [Low]
[ ], : 10 (Preset)
[ ] [L' SENS1] / [Low']
: 50 (Preset)
[PC test [C SENS1] / [Center]
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
53