Question about Radio Communications
Export radios rx without a mic. so its an issue in the radio.
will the PA function work?
and will the meter move.
will the green rx led change to red when you key?
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
This may be a simple and very basic problem with all Cobra models. Honestly I wouldn't ever choose a Cobra, they're cheap radios. Instead buy a Galaxy or Uniden. But have you tried the Mic Gain? If not, turn the Mic Gain knob fully clock-wise and try asking for a radio check, if this doesn't solve it, you also might want to check the microphone's connecting ports, the connecting ports may be damaged or corrupted, if so, you can replace them by buying a new connecting port. If this doesn't work, your transmitter may be damaged or corrupted, this can be fixed, but it is expensive, you're better off getting a new radio. And don't forget, some truckers are dipshits (no offense) and ignore a lot of people.
Posted on Jul 01, 2008
SOURCE: trying wire a superstar dm-452
Hello bubba, the wiring code for the radio is
Galaxy DC-521S (4 wire)
If this is the power /echo mic like it looks to be from the Workman catalog, then I can't remember what the wiring code is for the mic. I do know, that the audio wire has the ground/shield wire wrapped around it.Could be just about any color. Put the shield on pin 1 and the audio wire on pin 2 and all you have left should be 2 more. If you get it backwards, then the radio will key up as soon as you turn it on. You'll have to key it to hear the speaker. Just reverse the 2 on pins 3-4. Hope this helps as it's been over a year since I've seen one. Let me know,,, Mechanic
Posted on Nov 05, 2008
try a stock mike or a noise canceling one. Hard to run power on top of power. And see what your radio is dead keying into the radio...usally with a 500 it can take up to a 6 watt dead key.
Posted on Nov 21, 2009
in the middle of board. towards the back there is a IC .. that is a preamp, and all the diodes for the RX and the bigger tunning transformers with the big red(sometimes) ferrites are for the RX if cannot figure it out contact me further infomatiion
Posted on Dec 04, 2009
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