Kenwood NX-300 Service Manual page 90
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Also See for NX-300:
- Service manual (108 pages) ,
- Operating instructions (2 pages) ,
- Function reference (608 pages)
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NX-300
Item
Panel tuning mode
7. Frequency
* The Frequency
adjust
adjustment can be
performed only in
PC test mode.
Transmitter Section
Item
Panel tuning mode
1. High
1) Adj item: [HIPWR]
Transmit
Adjust: [✳✳✳✳]
Power
2) Adj item:
adjust
[L HIPWR]→
(Battery
[L' HIPWR]→
voltage:
[C HIPWR]→
7.5V)
[H' HIPWR]→
[H HIPWR]
Adjust: [✳✳✳✳]
PTT: ON
Press [ ] key to
store the adjust-
ment value.
2. Low
1) Adj item: [LOPWR]
Transmit
Adjust: [✳✳✳✳]
Power
2) Adj item:
adjust
[L LOPWR]→
(Battery
[L' LOPWR]→
voltage:
[C LOPWR]→
7.5V)
[H' LOPWR]→
[H LOPWR]
Adjust: [✳✳✳✳]
PTT: ON
Press [ ] key to
store the adjust-
ment value.
90
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item:
SSG
[Frequency]
SSG output :
–20dBm (22.4mV)
(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 adjust-
ment screen of
the KPG-111D(C)
and the LCD of the
transceiver.)
• Use an accuracy of
0.001ppm for the
SSG. (Use a stan-
dard oscillator if
necessary.)
Condition
PC test mode
equipment
1) Adj item: [High
Power
Transmit Power]
meter
2) Adj item: [Low],
Ammeter
[Low'], [Center],
[High'], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
1) Adj item: [Low
Transmit Power]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Measurement
Test-
Unit Terminal Unit
Panel
ANT
Panel
Measurement
Test-
Unit Terminal Unit
Panel
ANT
Panel
Adjustment
Specifi cations /
Parts
Method
[Side1] [PC test mode]
[PC test mode]
Press [Start] button
The value of "IF20"
of "Auto Tuning".
will become around
Press [Apply] but-
"0" after the adjust-
ton to store the
ment was fi nished.
adjustment value
after the automatic
Remark:
adjustment was
"Frequency" is
fi nished.
adjusted under
receiving condition
with SSG.
Adjustment
Specifi cations /
Parts
Method
[Panel
5.0W
±0.2W
tuning
2.3A or less
mode]
[
],
[PC test mode]
[
]
Press [Apply All]
button to store the
[PC test
adjustment value
mode]
after all adjustment
[ ],[ ]
point was adjusted.
0.8W
±0.1W
1.2A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Remarks
Remarks
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