Galaxy
DX Radios DX93T
Documentation Project
CBTricks.com
Receiver Alignment
See Alignment
Locations
| SETTINGS | CONNECTION |
|
ADJUST FOR |
| AM/FM
RF & IF SENSITIVITY: Set Radio to, Band E, CH. 1 Mode AM DIM/OFF/40dB switch to OFF RX/TX/OFF/RX switch to RX/TX Clarifier controls at center detent. RF GAIN fully clockwise. SQUELCH fully counter clockwise NB/ANL to OFF VOLUME to comfortable level. RF Generator output to input frequency of radio at 10uV modulated 30% with 1 KHz audio tone. |
Connect
AF VTVM or scope across speaker terminals. RF Generator to ANT Jack |
L5,L6,L7
|
Adjust for max. output reading on AF VTVM or Scope. Check for RX sensitivity of .5uv at 10dB S/N |
|
L5,L6
|
Check sensitivity on Band A, Ch.1, then Band H, Ch.40. If necessary, retune L6 & L7 to balance RF sensitivity from lowest to highest frequency. | ||
| SSB
IF SENSITIVITY: Set mode to USB. Set RF Generator output up 1KHz for USB at 1uV, no modulation. |
Same as above |
|
Adjust for max. output reading on AF VTVM or Scope. Check for RX sensitivity of .1uv at 10dB S/N |
| FM
DETECTOR: Set radio to FM mode. Set FM RF Generator output to input frequency of radio at 1uV modulated 30% with 1 KHz audio tone. Reduce VOLUME as required. |
Connect
AF VTVM or scope to IC2 Pin 7.
FM RF Generator to ANT Jack |
|
Adjust for maximum audio output. |
| AM/FM
S-METER: Set mode to AM. RF Generator output to 100uV No Modulation Set Squelch fully counterclockwise. |
RF Generator to ANT Jack |
|
Adjust for “S-9” meter reading. |
| SSB
S-METER: Set mode to USB. Increase RF Generator output up 1KHZ, No Modulation. Set Squelch fully counterclockwise. |
RF Generator to ANT Jack |
|
Adjust for S-9 reading. |
| AM/FM SQUELCH RANGE: Set RF Generator output to 10mV. Set Squelch Control fully clockwise. |
Same as above |
|
Adjust to where the squelch just closes |
| SSB
SQUELCH RANGE: Set mode to USB. Increase RF Generator output up 1KHZ for USB. Set Squelch Control fully clockwise. |
Same as above |
|
Adjust to where the squelch just closes |
| NOISE
BLANKER: Set radio to Band E, CH. 2 Set mode to AM. Set NOISE BLANKER switch to ON Set RF generator output frequency 10MHz below radio input frequency at 1000uV signal modulated at 30% with 1 KHz audio tone. |
Connect DC Voltmeter to TP1 (Cathode of D2) |
|
Adjust for maximum DC voltage. |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.