Kenwood NX-740H Service Manual page 27

Vhf digital transceiver
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Item
Condition
12. MSK
1) Test CH : Center ( 1 point )
Deviation
2) Deviation meter filter
(Analog
LPF : 15kHz
Narrow)
HPF : OFF
3) PTT ON ( Transmit )
*Note 2:
Only 1 DQT Balance need to align(either DQT Balance1 or DQT Balance2)
*Note 3:
(for the NXDN Very Narrow Maximum Deviation and CW ID Deviation alignment)
Must do the NXDN Very Narrow Maximum Deviation and CW ID Deviation alignment after the DQT Balance alignment and Maxi-
mum Deviation alignment (Analog).
4.6
Receiver Section
Item
Condition
1. Receive
1) Test CH : Low, Low', Center,
Sensitivity
High', High ( 5 point )
[Semiauto-
2) SSG output : -90dBm
matic]
AF Freq : 1kHz
Mod Dev : ±1.5kHz
2. Open
[Analog Narrow]
Squelch (5)
1) Test CH : Low, Low', Center,
High', High ( 5 point )
2) SSG output : -120dBm
AF Freq : 1kHz
Mod Dev : ±1.5kHz
[NXDN Very Narrow]
1) Test CH : Low, Low', Center,
High', High ( 5 point )
2) SSG output : -124dBm
AF Freq : 400Hz
Mod Dev : ±1.1kHz
3. Tight
[Analog Narrow]
Squelch
1) Test CH : Low, Low', Center,
High', High ( 5 point )
2) SSG output : -116dBm
AF Freq : 1kHz
Mod Dev : ±1.5kHz
4. Low RSSI
[Analog Narrow]
*Note 4
1) Test CH : Low, Low', Center,
High', High ( 5 point )
2) SSG output : -120dBm
AF Freq : 1kHz
Mod Dev : ±1.5kHz
[NXDN Very Narrow]
1) Test CH : Low, Low', Center,
High', High ( 5 point )
2) SSG output : -120dBm
AF Freq : 1kHz
Mod Dev : ±1.5kHz
Measurement
Test-
Unit
Terminal Unit
equipment
Deviation
ANT
Meter
Oscilloscope
Measurement
Test-
Unit
Terminal
equipment
SSG
ANT
Oscilloscope
Audio
Analyzer
SSG
ANT
Oscilloscope
Audio
Analyzer
SSG
ANT
Oscilloscope
Audio
Analyzer
SSG
ANT
Oscilloscope
Audio
Analyzer
SSG
ANT
Oscilloscope
Audio
Analyzer
SSG
ANT
Oscilloscope
Audio
Analyzer
Adjustment
Parts
Method
FPU 1.5kHz
Adjustment
Unit
Parts
Method
FPU Press [Start], [Auto
tuning]
FPU Press [Start], [Auto
tuning]
FPU Press [Start], [Auto
tuning]
FPU Press [Start], [Auto
tuning]
FPU Press [Start], [Auto
tuning]
FPU Press [Start], [Auto
tuning]
(No.RA010<Rev.001>)1-27
Specifications
/Remarks
±50Hz
Specifica-
tions
/Remarks

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