Kenwood NXR-1800 Service Manual page 58

Item PC tuning mode
4. 1) Test Channel: Channel 1
Frequency
2) Adj item:
[Frequency]
SSG output : -20dBm (22.4mv)
(CW (without modulation))
SSG:
Use an accuracy of 0.001ppm
for the SSG.
(Use a standard oscillator if
necessary.)
5. 1) Adjust Item: [Sensitivity 1]
Sensitivity
1 2) Adjust Item: [L1], [L5], [C3],
[H2], [H4]
6. 1) Adjust Item: [Sensitivity 2]
Sensitivity
2 2) Adjust Item: [L1], [L5], [C3],
[H2], [H4]
E type only
3) SSG output: -90dBm
(7.08V)
(CW (without modulation))
1-58 (No.RA094<Rev.002>)
Measurement
Test- Termi
Unit
equipment nal
RX
ANT
Adjustment
Unit Parts Method
PC Press [Start] button of
ADJ "Auto Tuning". Press
[Apply] button to store
the adjustment value
after the automatic
adjustment has
finished.
PC Write the value as
ADJ followings
(Fixed value).
[L1] = 39(E), 45(E2)
[L5] = 64(E), 73(E2)
[C3] = 93(E), 105(E2)
[H2] = 124(E), 136(E2)
[H6] = 157(E), 172(E2)
PC E type
ADJ Press [Start] button of
"Auto Tuning". Press
[Apply All] button to
store the adjustment
value after the
automatic adjustment
has finished.
E2 type
Write the value as
followings
(Fixed value).
[L1] = 52(E2)
[L5] = 82(E2)
[C3] = 110(E2)
[H2] = 135(E2)
[H6] = 160(E2)
Specifications/
Remarks
"IF20" value = Within
0±12 digits. The value
of "IF20" will become
around "0" after the
adjustment has
finished.
Remark:
· "Frequency" is
adjusted under
receiving condition
with SSG.
· Temperature range
of +23C to +27C
(+73.4F to +80.6F).
(The temperature is
displayed on the
Frequency adjustment
screen of the KPG-
D7.)
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.
Note:
This is Variable
Capacitor Tune
voltage adjustment.
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.
Note:
This is Variable
Capacitor Tune
voltage adjustment.