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NX-800/800H
58
ADJUSTMENT
Receiver Section
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel test 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,
Dev: ±1.5kHz)
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
SSG output:
–47dBm (1mV)
(MOD: 1kHz,
Dev: ±1.5kHz)
SSG
DVM
AF VTVM
Dummy
load (4
Ω
)
ANT
Ext.SP
connec-
tor
[Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
(Volume
Button in
PC test
mode
screen)
Volume Up/Down
knob to obtain
2.83V AF output.
(2.0W @ 4
Ω
load)
2.83V±0.3V
2.
Sensitivity 1
Adjust
(BPF adjust)
1) Adj item: [SENS1]
Adjust: [
✳✳✳
]
2) Adj item:
[L SENS1]
→
[L’ SENS1]
→
[C SENS1]
→
[H’ SENS1]
→
[H SENS1]
Adjust: [
✳✳✳
]
Press [ ] key to store
the adjustment value.
1) Adj item:
[Sensitivity 1]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
[Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
Write the value as
followings
[L SENS1] / [Low]
: 90
[L’ SENS1] / [Low’]
: 119
[C SENS1] / [Center]
: 150
[H’ SENS1] / [High’]
: 184
[H SENS1] / [High]
: 224
Variable-Capacitor
Tune voltage is
adjusted.
(Output voltage ad-
justment of IC206)
3.
Sensitivity 2
Adjust
(BPF adjust)
1) Adj item: [SENS2]
Adjust: [
✳✳✳
]
2) Adj item:
[L SENS2]
→
[L’ SENS2]
→
[C SENS2]
→
[H’ SENS2]
→
[H SENS2]
Adjust: [
✳✳✳
]
Press [ ] key to store
the adjustment value.
1) Adj item:
[Sensitivity 2]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
Write the value as
followings
[L SENS2] / [Low]
: 70
[L’ SENS2] / [Low’]
: 120
[C SENS2] / [Center]
: 160
[H’ SENS2] / [High’]
: 206
[H SENS2] / [High]
: 245
Variable-Capacitor
Tune voltage is
adjusted.
(Output voltage ad-
justment of IC205)
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]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±1.5kHz)
1) Adj item: [RSSI
Reference (Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
Dummy
load
[Panel test 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]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±3kHz)
1) Adj item: [RSSI
Reference (Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±3kHz)