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Kenwood NX-5300 F2 Service Manual page 47

Uhf digital transceiver.
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Item
Condition
Panel tuning
mode
6.
1) Adj item: [BAL]
Balance
Adjust:[****]
*1
Deviation meter
LPF: 15kHz
HPF: OFF
Detector:P-P/2
2) Adj item:
[Low1]→
[Low3]→
[Low5]→
[Center1]→
[Center3]→
[Center5]→
[High2]→
[High4]→
[High6]
*F5,F6,K5,K6
type only: Press
and hold the [ ]
key to enter
[Center1] (Over
Lap 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.
7.
1) Adj item: [ADEV]
Maxi-
Adjust:[****]
mum
Deviation meter
Devia-
LPF: 15kHz
tion
HPF: OFF
*2
2) Adj item:
[Low1]→
[Analog
[Low3]→
Wide]
[Low5]→
[Center1]→
[Center3]→
[Center5]→
[High2]→
[High4]→
[High6]
*F5,F6,K5,K6
type only: Press
and hold the
[Right] key to en-
ter [Center1]
(Over Lap
High)→
Adjust:[****]
PTT : ON
Press [
] key to
store the adjust-
ment value.
Measurement
PC test mode
Test-
equip-
ment
1) Adj item:
Devia-
[Balance]
tion
Deviation meter
meter
LPF: 15kHz
Oscillo-
HPF: OFF
scope
Detector:P-P/2
2) Adj item:
[Low1]→
[Low3]→
[Low5]→
[Center1]→
[Center3]→
[Center5]→
[High2]→
[High4]→
[High6]
*F5,F6,K5,K6 type
only: [Center1]
(Over Lap High)→
Press [Transmit]
button.
Press [Apply All]
button to store the
adjustment value.
1) Adj item:
Devia-
[Maxmum Devia-
tion
tion (Analog Wide)]
meter
Deviation meter
Oscil-
LPF: 15kHz
lo-
HPF: OFF
scope
2) Adj item:
[Low1]→
[Low3]→
[Low5]→
[Center1]→
[Center3]→
[Center5]→
[High2]→
[High4]→
[High6]
*F5,F6,K5,K6 type
only: [Center1]
(Over Lap 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
The Deviation of 20Hz
6kHz Tone de-
frequency is fixed.
viation is with-
Change the 6kHz ad-
in 96 ± 1% of
justment value to be-
20Hz tone de-
come the 96% deviation
viation.
of 20Hz within the spec-
ified range.
[PC test
mode]
(a supplementary
Press [Apply
explanation:
All] button to
Another way to adjust is
store the
ready.
adjustment
(Same as TK-5300, the
value after all
old model of NX-5300).
adjustment
Press [AUX(Orange)]
points have
key to switch the tone to
been adjusted.
100Hz square wave.
Then, make the demod-
ulation waveform shown
on oscilloscope into
square shape.)
Write fixed value "496"
4150~4250Hz
(F2,F3,K2,K3), "494"
(F5,F6,K5,K6) for each
[PC test
adjustment point. Trans-
mode]
mit at each adjustment
Press [Apply
point and check that the
All] button to
deviation is between
store the
4150Hz and 4250Hz.
adjustment
Deviation meter
value after all
LPF: 15kHz
adjustment
HPF: OFF
points have
been adjusted.
[Panel tuning mode]
PTT: ON
[PC test mode]
PTT: Press [Transmit]
button
(No.RA015<Rev.001>)1-47
Specifica-
tions
/Remarks

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