Galaxy DX Radios DX45MP
Documentation Project
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Receiver Alignment
See Alignment Locations  

SETTINGS CONNECTION
ADJUST
ADJUST FOR
AM/FM RF & IF SENSITIVITY:
Frequency to 26.965 MHz 
Mode AM 
RF GAIN fully clockwise.
SQUELCH fully counter clockwise
NB/ANL to OFF
VOLUME to comfortable level. 
RF Generator output to 26.965 MHz at 1uV modulated 30% with 1 KHz audio tone. 		 Connect AF VTVM or scope across speaker terminals.
RF Generator to ANT Jack
(in order)
L5,L6, L7
L8,L9 L10
L2, L3
Max. output reading on AF VTVM or Scope reading of >2vrms
Set mode to AM. 
Set frequency to Ch.1 lowest band, then Ch.40 highest band as required.		 Same as above
L5, L6
Recheck sensitivity across full radio bandwidth. If necessary, retune L5 & L6 to balance  sensitivity across bandwidth.
FM DETECTOR:
Mode FM. 
Set FM RF Generator to 26.965 MHz 0.5uV deviated 3 KHz with 1KHz audio tone.
Reduce VOLUME as required. 		 Connect AF VTVM or scope across speaker terminals.
RF Generator to ANT Jack
L4 
Adjust for maximum audio output.
AM/FM S-METER:
Set mode to AM.
RF Generator output to 100uV unmodulated. 
Set Squelch fully counterclockwise.		 Same as above
VR1
Adjust for “S-9” meter reading.
AM/FM SQUELCH RANGE:
Increase RF Generator output to 10mV. 
Set Squelch Control fully clockwise.		 Same as above
VR4 
Adjust to where the squelch just closes.
NOISE BLANKER:
Set radio to 26.975MHz
Set mode to AM. 
Set RF generator output to 26.965MHz at 1000uV unmodulated.
Set NOISE BLANKER switch to “ON”.		 Connect DC Voltmeter to TP1 (Cathode of D2). 
L1
Adjust for maximum DC voltage.
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we cannot guarantee that the instructions will work on every radio presented.