Kenwood NEXEDGE NX-900, Service Manual, Page: 55 / 115

NX-900
55
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit Terminal Unit Parts Method
3. High
Transmit
Power 1) Adj item: [HIPWR]
Adjust:
[
✳✳✳✳
]
2) Adj item:
[AwL
HIPWR]
→
[AwH HIPWR]
→
[AwL HIPWR] (TA)
→
[AwH HIPWR] (TA)
Adjust:
[
✳✳✳✳
]
PTT: ON
Press [ ] key to store
the adjustment value.
1) Adj item: [High
Transmit Power]
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Power
meter
Ammeter ANT [Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
15.0W ±1.0W
9.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
4. Low
Transmit
Power 1) Adj item: [LOPWR]
Adjust:
[
✳✳✳✳
]
2) Adj item:
[AwL
LOPWR]
→
[AwH LOPWR]
→
[AwL LOPWR] (TA)
→
[AwH LOPWR] (TA)
Adjust:
[
✳✳✳✳
]
PTT: ON
Press [ ] key to store
the adjustment value.
1) Adj item: [Low
Transmit Power]
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
5.0W ±1.0W
5.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
5. Balance *2 1) Adj item: [BAL]
Adjust: [
✳✳✳
]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[AwL
BAL] →
[AwH BAL] →
[AwL BAL] (TA) →
[AwH BAL] (TA)
Adjust:
[
✳✳✳
]
PTT: ON
Press [ ] key to store
the adjustment value.
Sub LCD:
Tone frequency
[ ] key: Press while
transmitting to change
20Hz and 2kHz.
1) Adj item: [Balance]
Deviation
meter
LPF: 3kHz
HPF: OFF
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
[2kHz Sine Wave
Check box]: Check
while transmitting
change to 2kHz.
Deviation
meter
Oscilloscope The Deviation of
20Hz frequency is
fi xed. Change the
2kHz adjustment
value to become
the same deviation
of 20Hz within the
specifi ed range. 2kHz Tone deviation
is within ±1.0% of
20Hz tone devia-
tion.
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
*2: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 60.
Balance adjustment is common with the adjustment of all signaling deviation.
6. Maximum
Deviation
(NXDN)
*3
[Narrow]
1) Adj item: [Nn NDEV]
Adjust:
[
✳✳✳✳
]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[NnL
NDEV] →
[NnH NDEV] →
[NnL NDEV] (TA) →
[NnH NDEV] (TA)
Adjust:
[
✳✳✳✳
]
PTT: ON
Press [ ] key to store
the adjustment value.
1) Adj item: [Maximum
Deviation (NXDN
Narrow)]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Deviation
meter
Oscilloscope ANT [Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
3056Hz
Write the value as
followings.
498 (Reference
value) 2995~3117Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.