no signal

[Farm Kid 16]

ok, i hooked up the cobra 21, and it's getting power to it, but no signal...at all...any ideas?

[518RR]

Do you get any audio through the speaker? Or you're getting sound with the squelch turned down, just no reception on any channels? Have you tried having someone nearby key up to see what happens?

If you can get a little bit more specific with the exact problem, we can help better.

[231]

Do you get any audio through the speaker? Or you're getting sound with the squelch turned down, just no reception on any channels? Have you tried having someone nearby key up to see what happens?

If you can get a little bit more specific with the exact problem, we can help better.

Ditto that. When you say "no signal" do you mean that the radio won't key up? Or do you mean you cannot hear anyone?

[Farm Kid 16]

i'm getting no sound from speaker with squelch down, haven't plugged in a mic yet. and i'm not getting any reading whatsoever from the tx and rx gauges on the cb

[BigBopper]

some cobras, with the 5 pin din mics won't make any sound unless the mic is plugged in , like the cobra 19plus

[Farm Kid 16]

i believe this has 4-pin mic

[Duck Commander]

Royja that BigBopper i thought you had to have the mic plugged up on a Cobra radio before it would recieve.

[Farm Kid 16]

o, well, i'll go plug a mic in and see what happens...why would they do that i wonder...

[Farm Kid 16]

alright, plugged mic in, and that didn't do anything. i'm gonna take it apart to see if my speaker wires are loose, or off. but how would the speaker affect not picking up anything on my power-signal gauge?

[518RR]

It's not the speaker that affects it, it's the wiring on the mic jack on the radio. Lots of radios will have no audio output to the speaker, and no indicated reception on the meter, until you plug in a mic that is wired properly for that radio.

Which brings me to the next question. Is the mic you're using wired for a Cobra radio?

[mudder]

I have to agree i have a few cobras and if its not a mic thats made for a cibra it may not work.now what kind of mic is it your using?does the mic say cobra on it?is your squelch turned all the way down?

[Farm Kid 16]

it's not a cobra mic, it's a midlands, but i haven't got a cobra mic, so i guess i'm gonna have to keep my eyes open for one.

[231]

it's not a cobra mic, it's a midlands, but i haven't got a cobra mic, so i guess i'm gonna have to keep my eyes open for one.

Either that or simply re-wire the mic. I'd say that's the problem right there.

[Phaze91460]

see if you have a friend who can loan you one to test with.

[Farm Kid 16]

well, what do you mean by rewire? the mic worked fine on my midlands cb...do you mean that the pins have a diff. function on cobras?...if so, do u know where i might find that? and, phaze, i'm the only one in my general area that i know of that's into cbs...so, i'd bet if i scrounged around and talked to some of my dad's farmers i could prolly find one, but i've gotten everything i have except for my antenna from them, so i'd rather rewire.

[Farm Kid 16]

goin to omaha for the weekend talk to you guys when i get back.

[Farm Kid 16]

alrighty, back from the big city, took a gander at some of the stuff i can't buy at the truck stops along the way. Do you guys know where i could find the pin configuration for the cobra mic?

Thanks,
Mike

[Phaze91460]

Mic Wiring

Stock
1- Shield
2- Audio
3- Transmit
4- Receive

Astatic (4 wire)
1- Shield
2- White
3- Red
4- Black


Astatic (6 wire)
1- Shield & Blue
2- White
3- Red
4- Black
Yellow NC

Daiwa EM-500
Cobra CA Series
1- Shield & Black
2- Red
3- White
4- Blue

Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black

Galaxy CB-660EI
1- Shield & Black
2- White
3- Red
4- Blue

Sadelta
1- Shield
2- White
3- Brown
4- Green

Turner
1- Shield & Red
2- White
3- Blue
4- Black
Yellow NC

[Farm Kid 16]

thanks phaze, one question, are those from the female or male end, wouldn't that make a difference? because if you were looking at it, it has the indention at the top to tell you which way is up. and which order do numbers go in? i hate asking so many questions of you guys, sorry.

female male

u u
1 2 2 1
3 4 4 3

so they would mate together well...or do i have it all wrong?

[Phaze91460]

If you look at the end of your mic plug, you will see the numbers there.

[Farm Kid 16]

i never thought of that one, thanks loads