Kenwood NX-200 Service Manual page 104

NX-200
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: Nar-
row
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 adjust-
ment value.
3) Adj item:
[L SENS1]→
[L' SENS1]
Caution:
Perform the step 2 adjustments of "3. Sensi-
tivity 2 adjust" before performing the
[L SENS1] / [L' SENS1] adjustment.
Adjust: [✳✳✳]
SSG output:
–90dBm (7.08µV)
(MOD:
1kHz/±1.5kHz)
Press [ ] key to
store the adjust-
ment value.
3. Sensitivity 2 1) Adj item: [SENS2]
adjust Adjust: [✳✳✳]
2) Adj item:
[L SENS2]→
[L' SENS2]→
[C SENS2]→
[H' SENS2]→
[H SENS2]
Adjust: [✳✳✳]
Press [ ] key to
store the adjust-
ment value.
104
ADJUSTMENT
Condition
PC test mode
equipment
1) Test Channel SSG
Channel: 1 DVM
Test Signaling AF VTVM
Mode: Analog Dummy
Signaling: 1 load
Wide/Narrow: Nar-
row
Beat Shift: Uncheck
Compander: Uncheck
SSG output:
–47dBm (1mV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: SSG
[Sensitivity 1] AF VTVM
2) Adj item: [Low], Oscilloscope
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
3) Adj item: [Low],
[Low']
Press [Apply All]
button to store the
adjustment value.
1) Adj item:
[Sensitivity 2]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
Measurement
Test-
Unit Terminal Unit
Panel ANT Panel
Universal
connector
Panel ANT Panel
Universal
connector
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
the preset value to
get the maximum
RSSI level.
Write the value as
followings
[L SENS2] / [Low]
: 256 (Preset)
[L' SENS2] / [Low']
: 256 (Preset)
[C SENS2] / [Center]
: 256 (Preset)
[H' SENS2] / [High']
: 256 (Preset)
[H SENS2] / [High]
: 256 (Preset)
Remarks