Question about Galaxy Radios DX-44HP Mobile Amateur Radio

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Galaxy dx 44hp, no am audio or mod ,fm & pa ok

Dead key only on AM,meter goes to 20+ ,FM works,PA speaker works,RX works , no audio on test radio just signal strenth.

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  • Expert
  • 146 Answers

Have you tried another mic. First guess microphone wire broke or broke solder for audio wire in mic jack at mic cord.

Posted on Jun 14, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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pincer
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SOURCE: Noise in Audio

Good day!
pincer here..

Posted on Mar 09, 2008

  • 20 Answers

SOURCE: Galaxy DX33HML No Modulation on AM Only, FM and PA works Great

Hi there

it could be a number of things and is a little tricky to fix without the right equipment!! You could try by replacing AM MOD AMP. which are TR 49, TR 50, & TR 51 Try that and your AM modulation should come back!! Let us know

Posted on Aug 29, 2009

  • 1274 Answers

SOURCE: galaxy 33 no audio from speaker. i have a galaxy

Check the receive wire on the plug end of the mike, and the receive wire inside of the mike, just a starting point. ..hope this was helpful.....

Posted on Jun 02, 2010

  • 64 Answers

SOURCE: radio will transmit some of the time

Sounds like a heat sensitive problem to me. See the above listed problem and solution. Also the heat could be coming from over heating even from a high SWR as suggested.

Posted on Sep 12, 2010

anymhz
  • 500 Answers

SOURCE: When my truck is running the radio works fine

is it acting like its keying up fulll power and no modulation or very very low modulation.. its prob has a shorted "am regulator" .. the big transistor in the back corner by the power wire connector.

Posted on Feb 09, 2011

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1 Answer

Galaxy DX-48T why does the meter show receive but unit has no sound ?


is it on CB not pa. Is the squelch all the way to the left and the RF gain all the way to the right, and the AF power wide open.Do you have the volume up.If you answered yes to all these thenyour internal speaker isn't connected or its no good.Is your external speaker plugged into the ext or pa connection?

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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.

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1 Answer

CB Plays out PA Speaker


it is possible that the PA speaker output is intended for a normal (unpowered, unamplified) speaker. Perhaps in your case the audio you hear from the PA speaker is only signal leakage from the PA Speaker connection.
To know.. connect a regular speaker to the PA speaker connector (any speaker, home audio, old car 6x9....). If the PA works and drives the temporary speaker OK, and you hear no CB receive, then the PA output is for a normal speaker, with leakage of CB audio.
It is just a guess, but easy to try.

May 04, 2014 | Radio Communications

1 Answer

Pa


per fcc rules (laws)? you cannot put an amp on a cb. max output 4 amps. you should be able to put a pa speaker using the pa output jack. take your radio back for warranty.

May 19, 2013 | Cobra 19 DX IV CB Radio

1 Answer

What is Dead Key on a CB Radio?


Deadkey is slang it is CW or Carrier wave which is RF power produced before modulation/audio is mixed in which stimulates PEP wattage slang being SWING WATTS. A Watt Meter is used to measure it which is often a combination device Wattage/SWR/Modulation meter.

May 08, 2013 | Galaxy Radios DX-949 CB Mob ssb Swr...

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This is something new to me, what do I set all the buttons and knobs to talk on channel 19,hi-lo band,10khz on or off ,pa-fm-am,e/a-f/b-g/c-h/d, e-tone thanks for any help anyone can give me.


Radio On Volume comfortable Listening level Squelch Open (Hearing Noise) Mic Gain Up unless told by receiving station to reduce it. 10 Khz Off pa-fm-am set to Am e-Tone to off I believe this model has CB on Band C which is switch down on Low and C position you will know when you hear truckers on 19 which band is CB

Aug 06, 2010 | Galaxy Radios DX-44V 40-Channels Base CB...

2 Answers

How to adjust frequency on transmit??? Galaxy


hELLO THERE
hERE IS SOME MODIFICATIONS FOR THIS RADIO
Galaxy Mods DX 2527 - VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR11...Driver Bias, VR12...SSB ALC, VR13...Hi Power, VR14...AMC, VR15...AM Low Power, VR16...SSB Low Power, VC 1....10.240, VC 2....10.240. DX 2517- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5....FM Deviation, VR 6....SSB Carrier Balance, VR 7....TX Offset, VR 8....CW Beep Level, VR 9....RF Meter, VR10...Final Bias, VR11...Final Bias, VR12...Driver Bias, VR13...SSB ALC, VR14...AM/FM High Power, VR15...AM Modulation Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM/FM Low Power, VR601..13.8 Volt Power Supply. DX 22B- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR11...Driver Bias, VR12...SSB ALC, VR13...High Power, VR14...AMC, VR15...AM Low Power, VR16...SSB Low Power, VR21...TX Offset, VC 1....10.240, VC 2....10.240. DX 11B- VR 1....AM/FM S-Meter, VR 2....SSB/CW S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR10...Final Bias, VR11...Driver Bias, VR12...SSB ALC, VR13...AM/FM High Power, VR14...AM Modulation, VR16...CW Tone Level, VR20...Final Bias, VR21...TX Offset, VR601..13.8 Volt Power Supply, VR803..AM/FM Low Power. DX 77HML, DX 88HL, and DX 99V- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR10...Final Bias, VR11...Driver Bias, VR12...SSB ALC, VR13...AM/FM High Power, VR14...AM Modulation, VR16...AM/FM Low Power, VR20...Final Bias, VR21...TX Offset.
Unmarked VR in R189..AM/FM Medium Power for DX 77HML only. DX 33HML, DX 44V, DX 55V, DX 66V, and DX 73V- VR 1....AM/FM S-Meter, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 8....RF Meter, VR12...Low Power AM Modulation, VR13...AM/FM High Power, VR14...High Power AM Modulation, VR16...AM/FM Low Power.
Unmarked VR in R188..AM/FM Medium Power (DX 33HML only)
Unmarked VR in C139..Med Power AM modulation (DX 33HML only) DX 949,DX 959- VR 1....AM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM Squelch Range, VR 6.....SSB Carrier Balance, VR 7....TX Offset, VR 9....RF Meter, VR10...Final Bias, VR12...Driver Bias, VR13...SSB ALC, VR14...AM High Power, VR15...AM Modulation Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM Low Power, VC1....10.240. DX 2517 and DX 2527-
Symptom:Buzzing or motorboating sound in either the transmit or receive.
Problem: TR602 is oscillating
Cure: Replace C602 with a .01uF cap {Cap is located in the power supply board}.
RG 66,99,DX2517 Replace Q54 2SB754 60watt 7A with a higher power 2SB817 100 Watt 12A. Derating of this component will cool operation, provide better voltage stability,decrease wobble, allow voltage increase to 14.5 volts comfortably. (replace 10 volt caps in this section of the radio to a minimum of 16 volts before increasing supply voltage to this level)and provide faster swing rise time, Replace Q37 2SA473 to a 2SA1012-0 or ECG153 this will improve the clarity and volume of the modulation and it will also run a lot cooler.

Nov 12, 2009 | Galaxy Radios DX-949 40-Channels Base CB...

1 Answer

Galaxy DX33HML No Modulation on AM Only, FM and PA works Great


Hi there

it could be a number of things and is a little tricky to fix without the right equipment!! You could try by replacing AM MOD AMP. which are TR 49, TR 50, & TR 51 Try that and your AM modulation should come back!! Let us know

Jun 25, 2009 | Galaxy Radios DX-33HML 40-Channels Base CB...

4 Answers

Kl 203 rm italy linear amp transmitt


You just have to lower your RF power so that the radio is putting out about a 2 watt dead key. Any higher and you will over drive the finals and burn out the final

Apr 24, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

1 Answer

CB radio PA speaker


Freddy, hello. The first thought that comes to mind with your problem is that if the 29 is an older model, the audio circuit or audio chip could be tired. If your talking about the receive volume being low thru the ext. speaker, then there is a rx. wire inside the mic cord. When it breaks, it cuts the volume in about half. The rx. wire is on pin # 4. Maybe your using the wrong ohm value speaker. You need 4 or 8 ohm. If you are refering to the outgoing modulation being real low, then the radio mod. has just been turned down to 50-60%. That's about all I've got for now, not being able to actuallly see the radio,,, Have a good day, and let me know how it goes,, Mechanic

Oct 22, 2008 | Radio Communications

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