Galaxy DX Radios DX959
Documentation Project

CBTricks.com
Transmitter Alignment
See Alignment Locations

SETTINGS CONNECTION
ADJUST
ADJUST FOR
Remove TP7-TP9 Jumper PCB.
TX Frequency:
OffsetSet radio to CH 20 LSB TX mode.
NOTE: If the radio has the clarifier mod done skip this step.
Connect frequency counter to TP3
VR7
16.50750 MHz ±20Hz.
AM OSC:
Set radio to CH 20 AM TX mode.
Connect frequency counter to TP5
L23
10.69500 MHz ±20Hz.
USB OSC:
Set radio to CH 20 USB TX mode. 
Connect frequency counter to TP6.
L24
10.69250 MHz ±20Hz.
LSB OSC:
Set radio to CH 20 LSB TX mode.
Connect FC to TP6.


L25

    

10.69750 MHz ±20Hz.


BIAS Current:
Set radio to CH 20
USB TX mode.
MOD off.
Connect current meter to TP7(+) and TP9(-)
Connect current meter to TP7(+) and TP8(-)
VR12

VR10
50 mA

100 mA
Replace TP7-TP9 Jumper PCB.
SSB APC:
Set radio to CH 20,
USB TX mode.
MOD off. 
Connect Voltmeter to TP7.
VR17


DC12.5V

SSB TX Power:
Set radio to CH 20,  
Mike Gain max
USB TX mode.
AF signal 30 mV, 1 KHz to microphone.
Connect RF power meter to antenna jack. AF SG to microphone.

L40, L42, L43, L44


L40, L42

Adjust for max. power with min. spurious emission


Balance Power Between CH 1 and CH 40.

SSB ALC:
Audio signal 30 mV, 1 KHz to microphone.Set radio to CH 20, USB TX mode.

Connect wattmeter to ANT output. Set RF Power control fully clockwise.
VR13

Adjust for 12 Watts output
SSB Carrier:
BalanceSet radio to CH 20, USB TX mode. Mic Gain off.

Connect wattmeter to ANT output.
Connect scope to Antenna Connector.

VR6

Spurious Emission To Minimum.
AM TX Power:
Set radio to CH 20 AM TX mode.
No MOD.

Connect wattmeter to ANT output. Set RF Power control fully clockwise.

Then set RF Power control fully counter clockwise


VR14


VR18

Adjust for 4.0 watts


Adjust for 1.0 watts
RF Power Meter:
Set radio to CH 20 AM TX mode. Mod off.
Connect wattmeter to ANT output.
VR9
Adjust RF Power meter to "4" on PWR scale.
AM Modulation:
Set radio to CH 20 TX mode.
Audio signal 30 mV, 1 KHz to microphone.
Set Mic Gain Fully Clockwise.
Connect AF SG to microphone input.
VR16
Adjust for total 100% modulation
Modulation Meter Adjust:
Set Meter mode switch to MOD.
Set radio to CH 20 TX mode.
Audio signal 30 mV, 1 KHz to microphone.
Set Mic Gain Fully Clockwise.
Connect AF SG to microphone input.
VR15
Adjust for 100% on radio's modulation meter.

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Disclaimer: Although the greatest care has been taken while compiling these documents,

we cannot guarantee that the instructions will work on every radio presented.