Kenwood NEXEDGE NX-720, Service Manual, Page: 82 / 127

NX-720
82
ADJUSTMENT
Receiver Section
Item
Condition Measurement Adjustment
Specifi cations/
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit Terminal Unit Parts Method
1.AF level
setting
[Panel test mode]
1) CH-Sig: 1-1
SSG output:
–47dBm (1mV)
(MOD: 1kHz/±1.5kHz)
Wide 5k/Narrow:
Narrow
Beat Shift:
Uncheck
Compander:
Uncheck
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
Wide 5k/Narrow:
Narrow
Beat Shift: Uncheck
Compander:
Uncheck
SSG output:
–47dBm (1mV)
(MOD: 1kHz/±1.5kHz)
SSG
DVM
AF VM
4

Dummy
load
Oscillo-
scope
ANT
Ext.SP
con-
nector [Panel
tuning
mode]
[ ],
[ ]
[PC test
mode]
[ ],
[ ]
Volume Up/Down
Key to obtain
2.83V AF output.
(2.0W @ 4

load)
2.83V±0.3V
(Volume Button in PC
test mode screen)
2. Sensitivity 1

This adjustment
can be performed
only PC test mode.
1) Adj item:
[Sensitivity 1]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
con-
nector [PC test
mode]
[ ],
[ ]
Write the value as
followings,
[Low]: 61 (Preset)
[Low’]: 85 (Preset)
[Center]: 103
(Preset)
[High’]: 122
(Preset)
[High]: 152
(Preset) Increase the adjust-
ment value from the
preset value to get
12dB SINAD.
SSG output: -11
9 dBm
(0.25uV)
(Mod: 1kHz/±1.5kHz)
Note:
The fi xed value of
Sensitivity 2 must be
written before adjust-
ing Sensitivity 1.
3. Sensitivity 2

This adjustment
can be performed
only PC test mode.
1) Adj item:
[Sensitivity 2]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
con-
nector [PC test
mode]
[ ],
[ ]
Write the value as
followings,
[Low]: 48 (Fixed)
[Low’]: 75 (Fixed)
[Center]: 104
(Fixed)
[High’]: 132 (Fixed)
[High]: 187 (Fixed)
4. RSSI
reference
*5
[Analog
Narrow]
1) Adj item: [RRSS]
Adjust: [

.
]
2) Adj item:
[R.RSS]

[R.R.SS]

[R.R.S.S]

[R.R.S.S.]

[R.R.S.S._.]
SSG output: 12dB
SINAD level -3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[RSSI Reference
(Analog Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
con-
nector
[Panel tuning mode]
After input signal
from SSG, press
[
] key to store
the adjustment
value.
[PC test mode]
After input signal
from SSG, press
[Apply] button to
store the adjust-
ment value.