Galaxy DX-919 Alignment

Table of Contents

SETTINGS	CONNECTION	ADJUST	ADJUST FOR
VCO: Set radio to CH 20 AM RX mode. Clarifier setting in 12 o’clock.	Connect FC to IC3 Pin 8	VC1	Adjust for 10.24000MHz ±20Hz.
VCO: Set radio to CH 20 AM RX mode. Clarifier setting in 12 o’clock.	Connect DVM to TP2.	L14	Adjust for 3.0 VDC ±0.1
VCO: Set radio to CH 20 AM RX mode. Clarifier setting in 12 o’clock.	Connect Oscope to TP3	L15	Adjust for max.
AM Frequency: Set radio to CH 20 AM RX mode.	Connect frequency counter to TP3.	L20	16.51000 MHz ±20Hz.

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.	RF SG setting 27.405 MHz. 100uV. Mod 30%	L5,L6	For Balance Between CH 1 and CH 40.
Set radio to CH 1 AM RX mode.	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.

SETTINGS	CONNECTION	ADJUST	ADJUST FOR
AM OSC: Set radio to CH 19 AM TX mode.	Connect Frequency Counter to TP5.	L23	10.6950MHz ± 10Hz
TX Power: Set radio to CH 19 AM TX mode. Set SWR/MOD/PWR Switch to PWR.	Connect RF Power Meter to antenna jack.	L40,L42,L43,L44	MAX > 12W Balance Power Between CH1 and CH40.
AM TX High Power: Set radio to CH 19 AM TX mode. Set RF POWER fully clockwise.	Same as above.	VR14	3.8 W
AM TX Low Power: Set RF POWER fully counterclockwise.	Same as above.	VR18	0.3W ±0.2W
RF Power Meter: Set radio to CH 19 AM TX mode. Set RF POWER fully clockwise. Set SWR/MOD/PWR Switch to PWR position.	-	VR9	For a needle reading of “4” on TX PWR scale.
AM Modulation: Set radio to CH 19 AM TX mode. Set MIC Gain fully clockwise.	Connect AF SG to microphone input. AF signal 30mV, 1 KHz to microphone.	VR16	For a needle reading of 90% on the external modulation meter.
AM Modulation Meter: Set radio to CH 19 AM TX mode. Set MIC Gain fully clockwise. Set SWR/MOD/PWR Switch to MOD position	AF signal 30mV, 1 KHz to microphone.	VR15	For a needle reading of 90% on the modulation scale.