Kenwood NEXEDGE NX-200, Service Manual

Page: 106 / 172

NX-200
106
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit Terminal Unit Parts Method
3. Sensitivity 2
adjust 3) Adj item:
[L
SENS2]
→
[L’ SENS2]
→
[C SENS2]
→
[H’ SENS2]
→
[H SENS2]
Adjust: [
✳✳✳
]
SSG output:
–118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
Press
[ ] key to
store the adjust-
ment value.
3) Adj item: [Low],
[Low’],
[Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
SSG
AF VTVM
Oscilloscope Panel ANT
Universal
connector Panel [Panel
tuning
mode]
[ ],
[ ]
[PC test
mode]
[ ],[ ]
Decrease the ad-
justment value from
preset value (256)
to get 12dB SINAD.
4. RSSI
reference
adjust
*5
[Analog
Narrow]
1) Adj item: [An
RRSSI]
Adjust: [
✳✳✳
]
2) Adj item:
[AnL
RRSSI]
→
[AnL’ RRSSI]
→
[AnC RRSSI]
→
[AnH’ RRSSI]
→
[AnH RRSSI]
Adjust: [
✳✳✳
]
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
Distortion
meter
Oscilloscope [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.
[Analog
Wide] 1) Adj item: [Aw
RRSSI]
Adjust: [
✳✳✳
]
2) Adj item:
[AwL
RRSSI] →
[AwL’ RRSSI] →
[AwC RRSSI] →
[AwH’ RRSSI] →
[AwH RRSSI]
Adjust: [
✳✳✳
]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±3kHz)
1) Adj item:
[RSSI
Reference
(Analog Wide)]
2) Adj item: [Low],
[Low’],
[Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±3kHz)
[NXDN
Very
Narrow] 1) Adj item: [Nv
RRSSI]
Adjust: [
✳✳✳
]
2) Adj item:
[NvL
RRSSI] →
[NvL’ RRSSI] →
[NvC RRSSI] →
[NvH’ RRSSI] →
[NvH RRSSI]
Adjust: [
✳✳✳
]
SSG output: 12dB
SINAD level for
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [RSSI Ref-
erence (NXDN Very
Narrow)]
2) Adj item: [Low],
[Low’],
[Center],
[High’], [High]
SSG output: 12dB
SINAD level for
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
[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.
Adjust with the ana-
log signal.
*5: Because RSSI reference (NXDN Narrow) is adjusted by adjusting RSSI reference (Analog Narrow), it is not necessary to adjust RSSI reference
(NXDN Narrow).