Transmitter Section - Kenwood NX-800 Service Manual

NX-800
Item
Panel tuning mode
5. Frequency * The Frequency
adjust adjustment can be
performed only in
PC test mode.

Transmitter Section

Item
Panel tuning mode
1. High Transmit 1) Adj item:[HILMT]
Power Limit Adjust:[****]
adjust 2) Adj item:
[L HILMT]→
[L' HILMT]→
[C HILMT]→
[H' HILMT]→
[H HILMT]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
52
ADJUSTMENT
Condition
Test-
PC test mode
equipment
1) Adj item: SSG
[Frequency]
2) CH-Sig: 1-1
SSG output : -20dBm
(CW (without
modulation))
Caution:
Perform the frequency
adjustment under the
following conditions.
• 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-
111D and the LCD
of the transceiver.)
• Use an accuracy of
0.001ppm for the
SSG. (Use a standard
oscillator if necessary.)
Condition
Test-
PC test mode
equipment
1) Adj item: Power
[High Transmit meter
Power Limit] Ammeter
2) Adj item:[Low]
[Low']
[Center]
[High']
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
Measurement
Unit Terminal Unit
ANT [
Measurement
Unit Terminal Unit
ANT [Panel
tuning
mode]
[
[PC test
mode]
[ ],[ ]
Adjustment
Specifications/
Parts Method
] [PC test mode] [PC test mode]
Press [Start] button of The value of
"Auto Tuning". Press "IF20" will
[Apply] button to store become around
the adjustment value "0" after the
after the automatic adjustment was
adjustment was finished.
finished.
Adjustment
Specifications/
Parts Method
± 3.0W
[L HILMT]: 33W
[L' HILMT]: 33W
[C HILMT]: 33W [PC test mode]
],[ ] [H' HILMT]: 28W Press [Apply All]
[H HILMT]: 28W button to store the
adjustment value
after all
adjustment point
was adjusted.
CAUTION!
Do not attempt to
adjust the transceiver's
transmit output power
beyond its specifications.
If the transceiver is
adjusted beyond the
specifications, it may
cause deterioration of
the parts reliability and
the output power may
be lowered suddenly
and unstable.
The transceiver may be
also extremely hot.
Remarks
Remarks