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VX-1210

Alignment

3

 

Tune to:

 

Adjust or Confirm:

 

For:

 

VCO1 U

 channel (8.9999 MHz, USB)

 

T2001

 

6.0 V 

±

0.1 V

 

VCO1 L

 channel (0.50000 MHz, USB)

 

Confirm

 

1.3 ~ 2.3 V

 

VCO2 U

 channel (18.9999 MHz, USB)

 

T2002

 

6.0 V 

±

0.1 V

 

VCO2 L

 channel (9.00000 MHz, USB)

 

Confirm

 

1.0 ~ 2.0 V

 

VCO3 U

 channel (30.00000 MHz, USB)

 

T2003

 

6.0 V 

±

0.1 V

 

VCO3 L

 channel (19.00000 MHz, USB)

 

Confirm

 

1.0 ~ 2.0 V

 
 

1st Local Output Level

r

 

Connect the RF millivoltmeter to TP1001 on MAIN Unit.

r

 

Confirm that the output level is 13 dBm 

±

3 dB.

 
 

Receiver Alignment

 

RX IF Coils Alignment

r

 

Connect the RF Signal Generator to ANT jack, and connect the DC voltmeter to TP1005 on the

MAIN Unit.

r

 

Select the 

RX IF

 channel (10.15000 MHz, USB).

r

 

Inject a signal from the RF Signal Generator to 10.15100 MHz, then adjust the RF Signal

Generator output level so that the DC voltmeter reading is approximately 3 V.

r

 

Adjust T1008, T1009, T1010, T1011, T1012, T1015, T1016, and T1017 in succession several

times for minimum indication on the DC Voltmeter.

 
 

RX Gain Alignment

r

 

Connect the RF Signal Generator to ANT jack, and connect the DC voltmeter to TP1005 on the

MAIN Unit.

r

 

Select the 

RX IF

 channel (10.15000 MHz, USB), and recall the [RX GAIN] parameter on the

computer.

r

 

Inject a signal from the RF Signal Generator to 10.15100 MHz, then adjust the RF Signal

Generator output level for 6 dB

µ

.

r

 

Press the UP(

π

)/DOWN(

θ

) key so that the difference of the DC Voltmeter reading is 0.2 V 

±

0.1

V when the RF Signal Generator on and off.

 
 

Noise Blanker Alignment

r

 

Connect the RF Signal Generator to ANT jack, and connect the DC voltmeter to TP1004 on the

MAIN Unit.

r

 

Select the 

RX IF

 channel (10.15000 MHz, USB).

r

 

Inject a signal from the RF Signal Generator to 10.15100 MHz, then adjust the RF Signal

Generator output level so that the DC voltmeter reading is approximately 3 V.

r

 

Adjust T1013 and T1014 for minimum indication on the DC Voltmeter.

 
 

47.055 MHz IF Trap Alignment

r

 

Connect the RF Signal Generator to ANT jack, and connect the DC voltmeter to TP1005 on the

MAIN Unit.

r

 

Select the 

IF TRAP

 channel (30.00000 MHz, USB).

r

 

Inject a signal from the RF Signal Generator to 47.05400 MHz, then adjust the RF Signal

Generator output level for 100 dB

µ

.

r

 

Adjust T1002 for maximum indication on the DC Voltmeter.

 
 
 

Summary of Contents for VX-1210

Page 1: ...ts at realignment are not covered by the warranty policy Also Vertex Standard reserves the right to change circuits and alignment procedures in the interest of improved performance without notifying owners Under no circumstances should any alignment be attempted unless the normal function and operation of the repeater are clearly understood the cause of the malfunction has been clearly pinpointed ...

Page 2: ...ystem before alignment is attempted The frequency and other parameters are loaded from the file during the alignment process In order to facilitate alignment over the complete switching range of the equipment it is recommended that the channel data first be uploaded and then stored to disk Alignment Channel data should then be downloaded The original data can be replaced at the end of the alignmen...

Page 3: ...gnal Generator to ANT jack and connect the DC voltmeter to TP1005 on the MAIN Unit r Select the RX IF channel 10 15000 MHz USB and recall the RX GAIN parameter on the computer r Inject a signal from the RF Signal Generator to 10 15100 MHz then adjust the RF Signal Generator output level for 6 dBµ r Press the UP π DOWN θ key so that the difference of the DC Voltmeter reading is 0 2 V 0 1 V when the...

Page 4: ...0 25000 MHz USB r Key the transmitter connect pin 5 of the MIC jack to GND with no microphone input adjust TC1002 and VR1003 on the MAIN Unit for minimum indication on the RF millivoltmeter r Disconnect the RF millivoltmeter and replace the plug into J1004 Driver Section Idling Current Alignment r Remove the Short plug from J3505 on the PA Unit then connect the DC Ammeter to J3505 pin 1 lead pin 2...

Page 5: ... each parameter listed Then key the transmitter and press the UP DOWN key for the required output Tune to Recall Parameter For TXP S 1H channel 6 50000 MHz USB SSB PO H 10 20 W TXP S 2H channel 15 00000 MHz USB SSB PO H 10 20 20 W TXP S 3H channel 25 00000 MHz USB SSB PO H 20 30 20 W REV ALC Alignment r Connect the 50Ω Dummy Load to the ANT jack then connect the DC voltmeter to pin 3 of J1010 lead...

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