Kenwood NX-5400 Service Manual page 45

Item Condition
Panel tuning
mode
5. 1) Adj item:
Low [An L_PWR]
transmit Adjust:[***]
power 2) Adj item:
(Battery [Frequency:
voltage : 700MHz Band]
7.5V) [RX/TA Low]→
[RX/TA High]→
[TX Low]→
[TX High]
[Frequency:
800MHz Band]
[TX Low]→
[TX High]→
[RX/TA Low]→
[RX/TA High]
Adjust:[***]
PTT : ON
Press [ ] key to
store the adjust-
ment value.
6. 1) Adj item:
Balance [An BAL]
*1 Adjust:[****]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[Frequency:
700MHz Band]
[RX/TA Low]→
[RX/TA High]→
[TX Low]→
[TX High]
[Frequency:
800MHz Band]
[TX Low]→
[TX High]→
[RX/TA Low]→
[RX/TA High]
Adjust:[***]
PTT : ON
Press [ ] key to
store the adjust-
ment value.
*1 : Refer to the "4.9.1 Necessary Deviation adjustment item for each signaling and mode" table.
Balance adjustment is common with the adjustment of all signaling deviations.
Measurement
PC test mode Test-
equip-
ment
1) Adj item: Power
[Low Transmit meter
Power] Ammeter
2) Adj item:
[Frequency:
700MHz Band]
[RX/TA Low]→
[RX/TA High]→
[TX Low]→
[TX High]
[Frequency:
800MHz Band]
[TX Low]→
[TX High]→
[RX/TA Low]→
[RX/TA High]
Press [Transmit]
button.
Press [Apply All]
button to store the
adjustment value.
1) Adj item: Devia-
[Balance] tion
Deviation meter meter
LPF: 3kHz Oscil-
HPF: OFF lo-
2) Adj item: scope
[Frequency:
700MHz Band]
[RX/TA Low]→
[RX/TA High]→
[TX Low]→
[TX High]
[Frequency:
800MHz Band]
[TX Low]→
[TX High]→
[RX/TA Low]→
[RX/TA High]
Press [Transmit]
button.
Press [Apply All]
button to store the
adjustment value.
Unit Ter- Unit Parts
minal
Panel ANT Panel [Panel
tuning
mode]
[ ],
[ ]
[PC
test
mode]
[←],
[→]
Panel ANT Panel [Panel
tuning
mode]
[ ],
[ ]
[PC
test
mode]
[←],
[→]
Adjustment
Method
700MHz Band: 0.95W 700MHz
Band:
800MHz Band: 0.95W ±0.1W 1.4A or
less
800MHz
Band:
±0.1W 1.4A or
less
[PC test
mode]
Press [Apply
All] button to
store the
adjustment
value after all
adjustment
points have
been adjusted.
The Deviation of 20Hz 2kHz Tone de-
frequency is fixed. viation is with-
Change the 2kHz ad- in ±1.0% of
justment value to be- 20Hz tone de-
come the same viation.
deviation of 20Hz within
the specified range. [PC test
mode]
(a supplementary Press [Apply
expanation-Another way All] button to
to adjust is ready. store the
(Same as TK-5400, the adjustment
old model of NX-5400). value after all
Press [AUX(Orange)] adjustment
key to switch the tone to points have
100Hz square wave. been adjusted.
Then, make the demod-
ulation waveform shown
on oscilloscope into
square shape.)
(No.RA016<Rev.001>)1-45
Specifica-
tions
/Remarks