Question about Galaxy Radios Dx-55hp Am/fm Transceiver 10m Radio

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Mod add talkback to Galaxy DX 55HP - Galaxy Radios Dx-55hp Am/fm Transceiver 10m Radio

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  • Galaxy Radios Master
  • 1,795 Answers

Www.cbtricks.com

Posted on Aug 11, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Mechanic688
  • 204 Answers

SOURCE: galaxy dx-66 squeals on talkback

timspur, hi. First off, using the talkback with a tuned Galaxy will give you problems, so you need to use a good noise cancelling mic like a RK 56, or Astatic 636. If your running an amp, that will only amplify the problem. Here is a mod if your comfortable working on your radio, to tone down the TB volume.
******
Talkback can become distorted if these radios have been "peaked," and there is no cure because the talkback just amplifies what goes to the RF section. Try adding a 470k ohm resistor from junction of C155/R207 to the junction of C187/R235 on the solder side of the board. This will also give you clean talkback on SSB and FM. Try different values of resistance to get the amount of volume you want. The less the resistance the louder the talkback will be.**
Hope this was what your looking for,, I know for a fact that the Astatic mics do help tone it down.
Let us know,,, Mechanic

Posted on Mar 12, 2008

  • 1 Answer

SOURCE: Add ch's to the Galaxy DX 959

yes very easily have done 3 of these radios myself. It is posted on the net

Posted on Mar 10, 2009

  • 40 Answers

SOURCE: Galaxy DX 959

1. Remove bottom cover from radio. 2. On the main PCB, locate J33. (See diagram above) 3. Locate wires on pins marked "P5" (yellow) & "P6" (grey). 4. Cut wire on "P5" (yellow) and install a SPST switch in line. 5. Cut wire on "P6" (grey) and install a SPST switch in line. NOTE: By using two of the function switches available on the radio will eliminate the need for two new switches to be installed and mounted.

Posted on Mar 11, 2009

anymhz
  • 500 Answers

SOURCE: i just want to know the procedure for tuning or

this is for any radio.

follow the audio wire. to the variable resistor on that line. for your modulation. for TX go backwards from the rf transistors to see if there is one for rf power actually would be a voltage increase/decrease to the bias. and collectors. thats how to trace any radio for the tune up adjustments. the others would be for ssb or rx tx meter and squelch etc... just follow them thru the circuit ... all this can be done by a radio shop for less than $10 remember not to let or yourself cut out any of the circuit that will cause overmodulation. and its just wasted. looks good on a wattmeter but not on a oscilloscope .. and other on adjacent channels.. lol..

Posted on Jan 03, 2011

  • 1274 Answers

SOURCE: got a galaxy dx 949 mobile trying to wire a older

Hello twelch,
Welcome to FixYa.
My name is John, and I will be assisting you with your issue today.
If it is the old four(4) wire mic, the wiring will be as follows:
Pin #1. Shield (Ground)
Pin #2. White (Audio)
Pin #3. Red (Transmit)
Pin #4. Black (Recieve)
If it is a SIX (6) wire! The Blue would go to Pin #1. with the Shield, and the Yellow
has no connection. I hope this was helpful to you. Your Comments and Testimony's are
always welcome here at FixYa. Thanks for choosing FixYa today and in the future.

John

Posted on Mar 01, 2011

Testimonial: "thanks john for the help"

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1 Answer

Set the carrier on the galaxy 55hp


you need a watt meter,a static proof screwdriver and a schematic. www.cbtricks.com has the service manual

May 16, 2014 | Galaxy Radios Dx-55hp Am/fm Transceiver...

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Galaxy DX 959 CB radio no transmit or talkback


Hi, I have a problem with this CB radio. The PA works good but after installing the MOSFET kit as mentioned here http://cgi.ebay.com/DUAL-POWER-TRANSISTOR-MOD-KIT-GALAXY-949-959_W0QQitemZ190256621565QQcmdZViewItem?hash=item190256621565&_trkparms=72%3A1205%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14 it wont transmit and I cant hear myself on talkback nor do I hear the roger beep. The PA amp works though.

on Oct 15, 2008 | Galaxy Radios DX-959 40-Channels Base CB...

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My galaxy dx 88 hl works great but the talk back won't work on am but does work on pa what is wrong


if you hooked it up its wrong but I assume you didn't.First of all talkback is a feature that allows you to hear your voiceand you don't5 need a radio check because you can tell by your own voice how your radio sounds if you want it to work on am you need to attach a 33ohm resistor from the positive to the neg of the external and pa plug ins. the talkback will be on all the time by the way.

Sep 27, 2013 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

How do i set my galaxy dx 88 hl so the talkback is on all the time


turn the talkback knob to the right and push it in to engage talkback.when you get the volume you want leave it alone .Now key the mic.You will probably hear a squeal coming from the speaker.Now turn the volume down on the talkback knob until the squeal goes away.If you run your RF gain wide open it may squeal also.

Sep 25, 2013 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

My radio squeals with echo when my amps on


adjust your talkback to just open then set your echo to where you want it. Now turn your amp on and re-adjust both the talkback and the echo . If you have a speaker nearby the radio may be feeding back through it so move it away from your radio . Now start talking with the mic and adjust your echo because you should be able to hear yourself talk through your talkback.

Dec 21, 2012 | Galaxy Radios DX-959 40-Channels Base CB...

1 Answer

WANT TO ADD TALKBACK IN A RADIO


A 200 ohm 1-watt resistor across pins 1 & 4 of the mic jack will make some talkback. More or less resistance will make less or more talkback. Note the association of less and more.

Jan 22, 2009 | Cobra 150 GTL DX Base CB Radio

5 Answers

Galaxy dx-66 squeals on talkback


timspur, hi. First off, using the talkback with a tuned Galaxy will give you problems, so you need to use a good noise cancelling mic like a RK 56, or Astatic 636. If your running an amp, that will only amplify the problem. Here is a mod if your comfortable working on your radio, to tone down the TB volume.
******
Talkback can become distorted if these radios have been "peaked," and there is no cure because the talkback just amplifies what goes to the RF section. Try adding a 470k ohm resistor from junction of C155/R207 to the junction of C187/R235 on the solder side of the board. This will also give you clean talkback on SSB and FM. Try different values of resistance to get the amount of volume you want. The less the resistance the louder the talkback will be.**
Hope this was what your looking for,, I know for a fact that the Astatic mics do help tone it down.
Let us know,,, Mechanic

Mar 12, 2008 | Galaxy Radios DX-66V Base CB Radio

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