Question about Cobra 29 LTD CB Radio

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My tx rx light comes on when i key mic on my connex 4300hp ,,why

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  • 41 Answers

Check the mic wires inside the connecter, there might be a loose or broken wire that is making an intermittent connection.

Posted on Jan 02, 2014

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Posted on Jan 02, 2017

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  • 6 Answers

SOURCE: tx: fine rx : no..

Your power output has blown, they are called your "finals" they can be replaced quite cheaply.

Posted on Sep 05, 2009

  • 1 Answer

SOURCE: when i key up the mike the tx/rx light and the ant

your swr setting are off wack fix your swr

Posted on Oct 09, 2009

  • 158 Answers

SOURCE: When Mic is keyed TX illuminates but no green nand

Get a SWR-PWR meter to put on the line between the radio and antenna to see what it is doing.

Posted on Feb 28, 2011

Testimonial: "Thanks. MIC WAS BAD"

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1 Answer

NO TRANSMITT


failed driver final transistors or voltage supply to driver and final

if your RX is aok then chances are the PLL and TX mixers etc are aok leaving only the first answer or a broken mic or TX switching circuit caused prob by a bad mic cable

Feb 19, 2014 | Connex 3300 240-Channels Base CB Radio

1 Answer

Connex 3300hp not receiving at all rx tx light on front not on, key mic turns red


MAKE SURE ALL THE CONTROLES ARE SET CORRECTLY R-R GAIN CLOCKWISE FULLY, SQUALCE COUNTER CLOCKWISE FULLY AND HAS THE RADIO BEEN MODIFIED FOR THE 11 METER BAND BY SOMEONE

Feb 25, 2013 | Connex 3300 240-Channels Base CB Radio

1 Answer

Wire 4 pin turner plus three mic up


pin 1 gnd
pin 2 audio
pin 3 tx
pin 4 rx

Dec 24, 2012 | Connex CX-4300HP CB Radio

1 Answer

Could you please tell me what COLORS that i need to put where when wiring a Superstar DM 452 to a Galaxy Saturn base station radio?


Don't worry about colors. look a the mic switch connections. one wire will be a common ground for TX & RX the middle wire would be ground(pin1) the n/c side will be RX pin4 the N/O side will be TX.... the same for the audio element side, one will be ground and the other will be audio pin 2.. this works for any mic and any radio.


pin1 ground pin 2 audio, pin 3 TX, pin4 RX.. standard pin outs cobra / galaxy/connex exports

Feb 26, 2011 | Radio Communications

1 Answer

Put another **** on 29 ltd and lost key up and receive but it still lights up. What you thank is wrong. 5 different mics, all work in my other radios. I heard something chatter and it would not tx or rx...


Check to make sure that there is noting shorting out inside of the radio. some mic plugs can turn from overtighting the mic connector.. also check the pins they may be broke or compressed too much and won't make connection to any mic.. Pin 1 is ground and pin 4 is rx.. take a jumper wire across those and see if you get rx back. same for tx pin 3.. jumper pin 1 and 3 should have a key up. pin 2 is your of course audio. these should be first things to check. cobras unidens and galaxys, connex, genlee etc. are wired the same. midlands and radioshacks ge are different. so make sure your mic is wired for a cobra or galaxy also.. any mic will work on any radio. as long as is it wired to it correctly....

Dec 15, 2010 | Radio Communications

1 Answer

Connex 4600 turbo radio stays keyed up even with mic disconected


Bad RX/TX Transistor? I don't have a diagram for the 4600. Sorry!

Mar 28, 2010 | Connex 4600 Base CB Radio

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