Galaxy DX Radios DX939
Documentation Project
CBTricks.com
Receiver Alignment
See Alignment Locations

SETTINGS CONNECTION
ADJUST
 ADJUST FOR
AM Sensitivity:
Set radio to CH 19 AM RX mode.
Set RF GAIN fully clockwise.
Set SQ fully counter-clockwise.
Set VOL Control at 2 o’clock.		 Connect AF VTVM or scope across speaker terminals.
Connect RF SG to antenna jack.
Frequency 27.185 MHz, 1uV. Mod 30%.
(in order)
L5,L6,
L7,L8,
L9,L10,
L2,L3
 Audio Output > 2V
S/N > 10 dB.
Balance between CH 1 and CH 40

Set radio to CH 40 AM RX mode.

Set radio to CH 1 AM RX mode.

RF SG setting 27.405 MHz. 100uV. Mod 30%

RF SG setting 26.965 MHz, 100uV. Mod 30%.
L5,L6
 For Balance Between CH 1 and CH 40.
NB Adjust:
Set radio to CH 19 AM RX mode

Set switch to NB/ANL position.

RF SG setting 27.205 MHz, 100uV. Mod 30%.

Connect Multi-meter to TP1 (D2 cathode).
L1
 DC Voltage to max.( > 2.0V )
AM Squelch:
Set radio to CH 19 AM RX mode.
Set SQ Control fully clockwise.
RF SG setting 27.185 MHz, 20mV. Mod 30%.
VR4
 Adjust very slowly until squelch just closes.
AM S-Meter:
Set radio to CH 19 AM RX mode.
RF SG setting 27.185 MHz, 100uV. Mod 30%.
VR1
 For a reading of "9" on the "S" scale.
Copyright © 2007 CBTricks.com

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

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