Question about Uniden Bearcat Pro PC68LTW 40-Channels Base CB Radio

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I can recieve but i cannot transmit

I can recieve tranmissions but i cannot transmit. When i talk in the mic i can see that it is picking up my voice but i am not heard on the other end. HELP

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Sounds like you might have a bad voltage regulator

Posted on Dec 16, 2009

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2 Answers

Why is humming coming from speaker when mic is keyed?


this is strange as most times if a proper transmit key is depressed , then the radio switches from receive to transmit , the mfg know this would cause some great squeal from receiver /transmitting so close to a receiver so the part that is the receiver is muted to keep this from happening , id say there is some fault in the part that does this muting of receiver

Apr 13, 2016 | Radio Communications

1 Answer

I have no recieve transmits fine it was working then i seen a flash and no recieve


Try other mics what happen to me was the wire came lose and hit pin 6 which is power pin it may just have burnt the wire in mic plug

Dec 02, 2012 | Magnum 257 CB Radio

1 Answer

I can hear everyone talk to me but i cant transmit to them,they can hear me key up but no voice to them.i have checked all connections and grounds,still the same.


Mic may have audio wire broken in cord at mic plug wire solder connection.
Stock
1- Shield
2- Audio
3- Transmit
4- Receive

notice the numbers on the black plug after you pull it out of the radio.

Sep 12, 2011 | Cobra 29 LTD CB Radio

1 Answer

Unable to be heard when I answer or try to talk


the mic connection with the main board is liose contact just hit the mic portion and you will see that ur voice is audible and best would be to get the mic fixed or changed

Apr 16, 2010 | Helio HERO Cellular Phone

1 Answer

My cb transmits with a very weak signal and won't recieve anything. The weather band recieves with no problems. I couldn't even pick up a signal on my SWR meter but a friend of mine tested it on his home...


There are a few things that could be wrong. If there is something wrong with the mic, you may not hear anything on the radio. but weather will work.

Other then that, the receive section of the radio could be blown.

Try a new mic, and if it doesn't work, then there is something blown in the radio. It needs a tech.

Sep 25, 2009 | Cobra 18 WX ST 40-Channels Base CB Radio

1 Answer

Can recieve but not transmit


The mic wires are soldered incorrectly. Get another cobra mic for that radio or have a qualified radio tech correct the wiring.

Apr 15, 2009 | Cobra 29 LTD CB Radio

1 Answer

CB Radio will receive but not transmit


Sound Like The Modulation Amp May Be Dead..
Or a Componet in The Mod. Section....You Can Pick up The Repair Manual..@ www.samswebsite.com For about $20.00...Good Luck

Feb 13, 2009 | Radio Communications

1 Answer

Mic wiring for a cobra 85 base cb


Pin 1 is shield, thats the bare wire wrapped around the mic audio wire
pin 2 ic mic audio [usually white)
pin 3 is transmit or push to talk usually red
pin 4 is recieve or speaker complete usually black

Jan 08, 2009 | Cobra 25 LTD 40-Channels Base CB Radio

1 Answer

Earbuds


If you are using vox (voice activated transmit) go into the menu and make sure you don't have the VOX setting too high. You should be able to put the headset on... hit the "push to talk" button on the radio and transmit you audio. Turn the other radio on and make sure the radio is "keying" (tx with no auio) then make sure there is audio. If you don't have audio but the radio is transmitting.. you might have the wrong type of plug on your headset for the audio..... there are 2 plugs... 1 for transmit audio....1 for recieve audio. It could be the wrong type of plug for the jack in the radio. Regardless.. the way the headset works is either you push the "push to talk button" onj the radio OR you use the VOX function... with the vox function you just have to talk into the mic to transmit. This is what your headset is designed for. You will have to go into the menu and set up the radio for VOX. If you still have problems follow my directions at the top of this page ( check mic jack and stuff) I think you just have to set the radio up for VOX operation and set the VOX setting. You should be able to push the push to talk button and talk through the mic on the headset. If you don't get any audio that way there is a problem and you should check the jack and plug on the headset.

Aug 25, 2007 | Motorola Talkabout T5720 (7 Channels)...

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