Vertex Standard TRANSCEIVER VX-1700 Manual Do Utilizador

14

Alignment

PA Unit Alignment

P

RE

-D

RIVER

 S

ECTION

 I

DLING

 C

URRENT

 A

LIGNMENT

 Connect the 50 Ohm Dummy Load to the ANT

jack.

 Remove the shorting-plug from J2003 on the PA

Unit, then connect the DC Ammeter to J2003 (pin
1: “–” lead, pin 2: “+” lead).

 Set VR2001 on the PA Unit fully counter-clock-

wise.

 Tune the radio to 7.500 MHz, USB mode.

 Key the transmitter (connect pin 3 of the MIC

jack to GND) with no microphone input, and
adjust VR2001 for 300 mA (± 30 mA) on the DC
Ammeter.

 Disconnect the DC Ammeter, and replace the

shorting-plug into J2003.

D

RIVER

 S

ECTION

 I

DLING

 C

URRENT

 A

LIGNMENT

 Connect the 50 Ohm Dummy Load to the ANT

jack.

 Remove the shorting-plug from J2004 on the PA

Unit, then connect the DC Ammeter to J2004 (pin
1: “–” lead, pin 2: “+” lead).

 Set VR2002 on the PA Unit fully counter-clock-

wise.

 Tune the radio to 7.500 MHz, USB mode.

 Key the transmitter (connect pin 3 of the MIC

jack to GND) with no microphone input, and
adjust VR2002 for 300 mA (± 30 mA) on the DC
Ammeter.

 Disconnect the DC Ammeter, and replace the

shorting-plug into J2004.

PA U

NIT

 A

LIGNMENT

 P

OINTS

J

2004

TP

2020

TP

2021

VR

2003

VR

2002

VR

2001

J

2003

TC

2001

TP

2018

MIC J

ACK

 P

INOUT