Kenwood NXR-710 Service Manual page 49

Item Condition
11. TD Devia- FPU Test mode
tion adjust 1) Adjust Item: [TD Deviation
[Analog (Analog Wide)]
Wide] Connect the Deviation Meter
to the TX ANT end via the ATT.
Deviation Meter setting
LPF: 3kHz, HPF: OFF
De-emphasis: OFF
2) Connect the AG to the TD
Terminal of Control I/O Jack.
AG Frequency
: 100Hz (Sine Wave)
AG Output level
: 0.5Vpp (177mVrms)
Press [Transmit] button.
12. TD Devia- FPU Test mode
tion adjust 1) Adjust Item: [TD Deviation
[Analog Nar- (Analog Narrow)]
row] Connect the Deviation Meter
to the TX ANT end via the ATT.
Deviation Meter setting
LPF: 3kHz, HPF: OFF
De-emphasis: OFF
2) Connect the AG to the TD
Terminal of Control I/O Jack.
AG Frequency
: 100Hz (Sine Wave)
AG Output level
: 0.5Vpp (177mVrms)
Press [Transmit] button.
13. Transmit FPU Test mode
Audio Input 1) Adjust Item: [Transmit Audio
(TA) adjust Input (TA) (Analog Wide)]
Connect the Deviation Meter
[Analog
Wide] to the TX ANT end via the ATT.
Deviation Meter setting
LPF: 15kHz, HPF: OFF
De-emphasis: OFF
2) Connect the AG to the TA
Terminal of Control I/O Jack.
AG Frequency
: 1kHz (Sine Wave)
AG Output level: 280mVrms
Press [Transmit] button.
14. Transmit FPU Test mode
Audio Input 1) Adjust Item: [Transmit Audio
(TA) adjust Input (TA) (Analog Narrow)]
[Analog Nar- Connect the Deviation Meter
row] to the TX ANT end via the ATT.
Deviation Meter setting
LPF: 15kHz, HPF: OFF
De-emphasis: OFF
2) Connect the AG to the TA
Terminal of Control I/O Jack.
AG Frequency
: 1kHz (Sine Wave)
AG Output level: 280mVrms
Press [Transmit] button.
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Deviation Rear TX ANT
meter
Oscilloscope
AG Control
AF VTVM I/O Jack
TD (Pin
No.8)
Deviation Rear TX ANT
meter
Oscilloscope
AG Control
AF VTVM I/O Jack
TA (Pin
No.9)
NXR-710
Adjustment
Parts Method
PC 0.75kHz Deviation ±0.1kHz
ADJ
Press [Apply] button to store
the adjustment value.
PC 3.0kHz Deviation ±0.1kHz
ADJ
Press [Apply] button to store
the adjustment value.
1.5kHz Deviation ±0.05kHz
Press [Apply] button to store
the adjustment value.
Specifi cations / Remarks
49