Transmitter alignment, Tx if coils alignment, Receiver alignment – Vertex Standard TRANSCEIVER VX-1700 User Manual
Page 13: Rx if coils alignment, Alignment, Rx if c, Tx if c, Main u, Mic j
13
Alignment
Receiver Alignment
RX IF C
OILS
A
LIGNMENT
Connect the RF Signal Generator to the ANT jack,
and connect the AF millivoltmeter to the EXT SP
jack.
Tune the radio to 19.900 MHz, CW mode.
Inject a 19.900 MHz signal from the RF Signal
Generator, then adjust the RF Signal Generator
output level to 0 dB.
Adjust T1012 on the MAIN Unit for maximum
indication on the AF millivoltmeter.
Transmitter Alignment
TX IF C
OILS
A
LIGNMENT
Connect the 50 Ohm Dummy Load to the ANT
jack.
Remove the coaxial plug from J1002 on the MAIN
Unit, then connect the RF millivoltmeter and 50
Ohm resistor to J1002.
Connect the AF Generator to pin 4 of the MIC
jack.
Tune the radio to 7.500 MHz, USB mode.
Inject a 0.5 mVrms @1000 Hz audio signal from
the AF Generator.
Key the transmitter (connect pin 3 of the MIC
jack to GND), then adjust T1008, T1009, T1010,
and T1011 on the MAIN Unit in succession sev-
eral times for maximum indication on the RF
millivoltmeter while transmitting.
MAIN U
NIT
A
LIGNMENT
P
OINTS
J
1002
T
1067
T
1066
TP
1039
T
1010
T
1008
T
1009
T
1010
X
1003
P
IN
4
OF
Q
1062
TP
1048
T
1012
MIC J
ACK
P
INOUT