Kenwood NXR-800 Service Manual page 78

NXR-800
Item Condition
2) SSG output: OFF
3) Analog Narrow
SSG setting
DEV: ±1.5kHz
4) SSG output: OFF
29. RSSI Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
MOD: 1kHz
DEV: ±1.5kHz
Narrow
1) SSG output: –53dBm (501µV)
2) High Level
SSG output
: 12dB SINAD level +7dB
3) Low Level
SSG output
: 12dB SINAD level –2dB
30. Maximum 1) Analog Wide
Deviation Connect the deviation meter
(Analog) to the TX ANT end via the
ATT.
Deviation meter setting
HPF: OFF
LPF: 15kHz
De-emp: OFF
Detector: +peak, –peak
AG setting
: 1kHz/45mVrms
(Sine wave, Terminal load)
2) Analog Narrow
Connect the deviation meter
to the TX ANT end via the
ATT.
AG setting
: 1kHz/55mVrms
(Sine wave, Terminal load)
31. Standard 1) Analog Wide
Modulation Connect the deviation meter
Check to the TX ANT end via the
ATT.
Deviation meter setting
HPF: OFF
LPF: 15kHz
De-emp: OFF
Detector: (p-p)/2
AG setting
: 1kHz/±3kHz DEV
(Sine wave, Terminal load)
2) Analog Narrow
Connect the deviation meter
to the TX ANT end via the
ATT.
AG setting
: 1kHz/±1.5kHz DEV
(Sine wave, Terminal load)
78
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
SSG Rear RX ANT
Audio TEST/
analyzer SPKR
jack SPO
(pin 12)
4Ω load
SSG Rear RX ANT
AF V.M TEST/
SPKR
jack
RSSI
(pin 8)
Deviation Rear TX ANT
meter Front MIC
AG
DVM
Deviation Rear TX ANT
meter Front MIC
AG
DVM
Adjustment
Parts Method
Check The squelch shall be closed.
PC Adjust it to the level
ADJ to open the squelch.
Check The squelch shall be closed.
PC 3.5V ±0.1V
ADJ
Import the value to a
PC.
PC ±4.1kHz ±0.2kHz
ADJ
±1.7kHz ±0.1kHz
Check 4.5mV±1.5mV
5.5mV±1.5mV
Specifi cations / Remarks