cb receives but does not transmit
Kinda vague here Eric. For example channel 19 has a frequency of 27.185MHz. My CB (25NW/WX) will transmit just fine, but I can't hear people around me. But no one hears me? I know this radio worked in the past, but it was with a different antenna setup. Reply: Page 1 of 3: 1: 2: 3 LinkBack: Thread Tools: Search this Thread: Display Modes #1 January 2nd 06, 05:13 AM posted to rec.radio.cb [email protected] Posts: n/a Radio receives, won't transmit - why? When you switch to single sideband, channel 19 is still 27.185MHz. I have cobra 89XLT I don't have receive or tramit. Cb radio not transmitting or receiving? For a better experience, please enable JavaScript in your browser before proceeding. I thought it was a rusted start washer under the antenna, but I replaced that and it doesn't work. UART sends but not receives but works if tx-rx are bridged. Put your radio on his antenna and his radio on yours. RadioBanter » rec.radio » CB > Radio receives, won't transmit - why? Hold your sniffing antenna near the driver transistor. I turned the switch and it didn't come on today. If playback doesn't begin shortly, try restarting your device. This will key the transmitter. When you say "can`t transmit" do you know if you are not transmitting R.F. A single sideband CB can operate on more channels than a regular CB. Baofeng UV-5RC PLUS will receive but not transmit. Probably not the antenna so much but rather the connections between the radio and the antenna. thanks for this, because its helping me diagnose my needle not swinging, and what you say fully makes more sense, from an engineering perspective. My problem is my unit will receive perfectly but won't transmit. Does it squeal now? Stephen Emig. Second, check for a voltage drop on the 12VDC going into the radio. Also the power is direct. I.C. Sound is very weak and full of static when I key. Getting it transmit, however, has been another issue. I got my squelch turned all the way down (or up) and the power need will not move at all. With the speaker side down, set the radio on a flat surface. 2014. - 2012/06/16. The CB Radio Talk Forum. I am starting to think that the tubes are bad. Relevance. Anyone have any ideas? CB antennas use the metallic ground plane of the vehicle in order to transmit their signal. I would do two things. CB Radio (all types) first introduced in 1958. cobra 29 ltd wx classic, good receive no transmit.showes it has good signal but no one hears it, I have a connex 4600 turbo that keys up but will not talk or receive, 03/06/2017 by If that doesn’t work, try a different microphone. What am I missing? In the event that neither solution works, your radio may need repair. I have a Yaesu FT-60R handheld about 10 years old that has always worked fine. MyCB radio can receive but can not transmit.I have unscrewed the antenna from the base and it then indicates it is transmitting. william_byrnes2000. https://www.patreon.com/MikesRadioRepair I've got a cheap (very cheap) multimeter, and a SWR meter, but don't know where to poke around to find the issue. From longer distances, I have no problem hearing others but they can't receive me. try the ol' switcheroo with your uncle. I'll have to check the model numbers. I am not sure on AM RX cause i haven't had anyone talk to me yet, on TX i know it works cause the meter moves (a lot more than on ssb) and a friend of mine had . A CB radio transmits dead keys with 4 watts of power, and transmits with 4 watts of audio. You will see a four pin connection. I kind of think the radio is designed to tolerate a high SWR even though that goes against all the design principles of a CB setup. Mind you, mine was new and not hacked. And, what are you refering to when you broadcast at under 2? Help. Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction. barryholland87. Some types of repeaters broadcast an identical signal, but alter its method of transmission, for example, on another frequency or baud rate. Page 1 of 2 - MXT275 Receives but doesn't Transmit - posted in Technical Discussion: Hi Guys, Im an old CBer & new to GMRS, and Im puzzled by my new Midland MXT275. The voltage should drop a bit when you transmit - this at least tells you that the radio is trying to transmit. In telecommunications, a repeater is an electronic device that receives a signal and retransmits it. If this stopped the squeal purchase a .01 pf 50v ceramic disc capacitor. A solid state rig is set up to shut itself down when it detects an SWR (Standing Wave Ratio) which is too high, to keep it from burning out the final stage of the transmitter. Ask for a radio check. Mechanic's Assistant: What is the make/model/year of your bike? Your match sounds good. One lead of the light bulb goes to the coax connector center and the other lightbulb lead goes to the shield of the coax connector (the case). did you transmit for a long period of more than a few seconds with high swr's? IMO, the high SWR is why the Spyder CB has such a reportedly poor transmission range. Was running a Wilson 5,000 with set SWR’s but I may have had a bad ground sometime back. Also, use some different coax. The best test for a input voltage issue is to measure the voltage at the power cables ( requires wire piercing meter leads on the voltmeter, to measure voltage level ( in TX ) at the radio input. I can receive CB from others (hear them) but my CB will not transmit. ANY Answers, 05/02/2018 by This is the little amplifier that gives your radio its sound. to go into TX, which consumes much more power than RX. Even with squelch all the way off, and gain all the way up, I still can't get the speaker to produce any regular static. When I key, I hear the pop of the key activating and my Cobra 19 goes silent like someone is transmitting, but it won't transmit … CB radios are rarely the cause of problems. The CB is a big part of the ride because the lead rider and the tail gunner call out when to change lanes, tighten up the group, watch out for merging cars on the right etc. Well, mine is the same as the Grant XL/Cobra148 Phillippine version. It's a cheap radio, not worth the cost/time of repair. purely factor, you will desire to not do it from a short wave radio (30MHz) then and specific kit became mandatory. First pull off the connectors at the radio and at the antenna (if you can get to that one) and clean any corrosion. I've got a couple of handheld radios recently off ebay and they seem to be able to receive clearly but not transmit anything. Be sure your antenna cable is not pinched or cut. You may have to register … There is no transmit. Is there something wrong with the antenna, perhaps? Any cheap big box store magnet mount with coax should work for this test. dummy load, with a good voltage source. But lights up goes on. Archived. Try changing channels on the radio you are transmitting on and leave the receiving radio on the previous frequency. It still does not … if the TX light is not working, do this, open the squelch so you hear noise on the speaker, key the mike, noise should go quiet, that tells you the mike-key switch is working. What have you tried so far? help? If it has a PA switch on your CB you can plug earphones in the output on the back,, to check your MIC. been working 100% until today. When I press the transmit button both radios go silent (static stops) and I can transmit from the CB radio in my defender but when I transmit from the handheld radio I receive nothing at the other end. My cb receives, but Im not transmitting. If the finals had blown, I have never known a CB radio yet that still swings the meter on a key, the needle always stays dead or incredibly low once the outputs are shot. Meanwhile, check your mic connection and your antenna connection, also your power to the radio connection. Does the radio indicate that it is broadcasting at full rate, does the needle or leds show positive gain? With the radio turned on and the mike removed, take a small horseshoe shaped piece of wire and touch one end of it to the ground pin and the other end to the transmit pin. I have a stalker xx it will not transmit but you can hear, 02/11/2020 by If you have a short in your antenna, the SWR will still be maxed out. Amateur radio should not be about how much money you have. If the needle does move, you have a bad microphone or blown audio output IC. Look closely at the four pins. If there is any transmit signal at all being generated, you should hear it this way. The mode of transmission changes, but the frequency does not change. i've got a general lee mobile it's got a good receive but got no transmit got a little auido on talk back help please thanks (fisherman in kentucky. Terms — If not, it is AM only. support this channel donations can be made at. 2 Answers. I need to rewire to a clean power source anyhow, so that's another project. JavaScript is disabled. Otherwise; Remember the 11 and 23 year sunspot cycles. bassmaster0621, I can hear people on the radio but it seems that they can't hear me linear bobcat 980 SSB thanks whoever can help, © 2021 iFixit — Licensed under Creative Commons — Privacy — I can hear people keying up but I can't hear them talking. Most likely a blown audio output IC. Nothing, nada, zip, zilch. power coming out, but still no voice is heard in the other-receiving radio, you may have a bad microphone, in other words, no audio is modulated into your radio`s output power, and that is a common problem. One of them has a small bump or notch near it. Well I for sure have a ground issue on the radio side of things. Can someone provide some guidedance on troubleshooting some more? Incredible receiver for a CB. The setup did work for about a year and a half before not working at all. MyCB radio can receive but can not transmit.I have unscrewed the antenna from the base and it then indicates it is transmitting. Look at the socket the mike plug came out of. Cobra 29 LTD Classic Problems : Weak Receive, No Transmit Discussion in ' CB and Export Equipment and Accessories ' started by office888 , Jun 8, 2009 . Great receive. The Cobra 29 receives very poorly. MOTY. There was a cut in the coax near the base of the Antenna. The ground plane and it’s radiating effect will vary based upon where and how you install your antenna on the vehicle, as well as upon the shape and construction of your vehicle’s chassis. From day one, I can hear other people talking. Check your mic as well as your mic connection. I just attempted to install a J&M CB on my Heritage and I could receive, but not transmit. But i have checked and re-checked the connections. Transmit meter pegs, Tx icon is right, Transmit light is on. While the receive range seems normal, others can only pickup my transmission when they're close - within a 100 feet or so. yet i think of (if I keep in mind rightly), it became then referred to as Packet Radio. 1 decade ago . On Mon, 02 Jan 2006 17:48:28 GMT, "Ken" wrote: Mine did the same thing, it worked great - then one day out of the blue, it. The led shows im transmitting at full power. George I am able to receive but not transmit with my cb. Check for breaks or damage to the plug and cord. this is a Honda CB installed on … Is the antenna adjustable? If so, next check the receiving radio's S-meter to see if the slugs in L21, L20 and L17 are all set for peak reading. The dual band hand held transceiver has not yet been disassembled. Can you be more specific? I am certain that I have followed the instructions in the manual. The TX light turns red, but the other lights did not light up (like before). CB RADIO INFORMATION I would be concentrating on the antenna side of the equation, providing you even have one ? I have a handheld Cobra 50 WX ST. @bisonflower. To the right of that notch is the receive pin. I havn't bought a Uniden radio since. The radio receives well but will not transmit. Joined Dec 8, 2004 Messages 2,122 Location Pewaukee, WI Bike 2007 ST1300A STOC # 5137. Posted by 3 years ago. Hi Guys, I'm an old CB'er & new to GMRS, and I'm puzzled by my new Midland MXT275. Vinnie S. Posts: n/a. Above the receive pin is the transmit pin. When I connect TX and RX pins together (GPIO 14 and GPIO 15, Rev1) and I run minicom, I see everything that I type... so it works. When I key up the mic the meter moves up to 3/4 of the meter for half a second , then drops off to 0. Power or just simply "no voice is heard in the other radio you are trying to talk to ? A weak power or ground connection can provide enough power for the CB to turn on & receive but not be able to pass the additional power (current) required by the CB when it is trying to transmit. Can I have a wrong setting ? But that presents its own issues. I tested it a spare antenna and with my existing car rig (Cobra 19 + Wilson Antenna). Everything functions, but it won't transmit. No other mods. 0. If yes, does the meter move wen you whistle into the microphone? If you are weak on transmit only then you will need to measure power out with a borrowed meter. Rest In Peace. (that is rude on the air but for lack of test equipment..). Jiggled it about and it came on which tells me either the power or ground is loose behind my dash. @sopwithcamel, I have a President Lincoln, 25/10. I have a audio line cb radio in my taxi, one day it stopped working, there's power going to the rig and when I key the mic the transmit light comes on and the squelch works when I turn the knob, the mag mount base unit and aerial are new but I'm unable to transmit or receive, any help would be appreciated, thanks in advance Viewed 3k times 2. Mechanic's Assistant: Are you fixing your bike yourself? What model of uniden and what manufacturer of antenna? I've done everything the manual says to do, and I am not showing anything on my antenna tuner's meter when I try sending out a CQ. Cut the legs short, take the mike plug apart and solder the capacitor from the shield pin (bare wire) to the modulation pin (the wire the shield wire wraps around). Privacy codes are off, factory default settings. The radio is a Uniden 520xl connected to a 3' Wilson Flex that is located on my driver side tail light mount. The CB Radio Talk Forum is for all my fellow radio enthusiasts, or up-and-coming radio operators to seek or give advice. Transmit is another story. Anyone willing to help troubleshoot? Botch job Ray I have checked to see if the PTT is locked out and it is not. you need a new mic or the audio chip has gone out. If not, you will blow the amp. yet that became in them there olden days. stopped working. odds are the mic is fine. Try a different one and see what happens. SOLD - 2013 Commando Green JK Rubicon - SOLD. Ask Question Asked 7 years, 8 months ago. Help me please…, just me If the needle on the meter does not … New to the forum, but not a total newbie to cb radio. OK. If you have SSB, there would be a switch on it to transmit in SSB. If the needle on the meter does not move, you likely have a blown final. Hey guys, hope this is a simple problem. Likely caused when the cable was bent in cold weather. I have a Cobra 29lx and it transmit static and No Modulation. Answer Save. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models! @suitslayer. The 10 meter radio now transmits and receives but the receive has issues from time to time. Lv 6. If you are even moderately competent with a soldering iron, you can do it yourself. Took a ride yesterday with the GWRRA. Put a small AM radio right near the antenna and talk into the mike. Good, now it sounds like you have a voltage/current issue in the power cables. Have you connected the SWR meter in yet to see what it says about the CB's power output and the SWR of the antenna system? In this case sounds like bad mic or mic gain turned down or the audio section of the transmit board is open. If for example you load in a 222 MHz frequency, the DSP chip is capable of receiving and transmitting on 222 MHz, but only if the MCU provides the correct commands to the DSP chip. fix. The only thing I have done to it was unluck the clarifier. I was out with my 4WD group this weekend, received fine, but no transmit. As the title says, I can receive a radio signal, but cannot transmit. Whoops, i just noticed these replies. Since the SWR is okay, does that imply the the antenna setup and the radio transmit is okay and the problem is with the mic - transmit? I.C. To the left of that notch is the ground pin. Im going to see about replacing that first, because i dont have a backup to test it with, ill bet you i can meter it and find something out... thanks for the tips :-), Mike Kay If thats ok, and the TX light does not lit, I`m almost sure your radio is not transmitting power out at all. Videos you watch may be added to the TV's watch history and influence TV recommendations. Are the new Grant any good? a 4 watt dead key is too much for a linear amp. January 2nd 06, 06:50 PM posted to rec.radio.cb. Who is elementary with of now. this is a Honda CB installed on a Honda motocycle Submitted: 7 years ago. Radio receives, won't transmit - why? So far so good. If they have been diddled, this alone can put the transmitter off the air. Sorry! When I press the transmit button both radios go silent (static stops) and I can transmit from the CB radio in my defender but when I transmit from the handheld radio I receive nothing at the other end. Accessibility. Also, check that SWR. Sounds like your radio is off frequency. Since talkback doesn't need an antenna, I would try using a different antenna for transmit. Or do you need a little guidance on the use of a SWR meter? having an unmoded radio with any cb antenna will not hurt it. When I power the mic the recipient just gets a loud "buzz" or "drone" sound and nothing else. To be safe, I don't recommend transmitting anything. So far the CB receives but does not transmit clearly. I've had it mounted in a Land Rover, trouble free, for about 18 months. Need CB help, Poor Receive, Transmit works great. If the electrical 12v cables are not right, they can not provide proper needed current for your C.B. Can you take a good sharp clear well-lit photo of both the top & bottom of the antenna mount and post them up here? The answer, but the frequency does not move, you will desire to not do it.. Just gets a loud `` buzz '' or `` drone '' sound and nothing else a linear amp source! Joined Dec 8, 2004 Messages 2,122 Location Pewaukee, WI bike 2007 ST1300A STOC #.... … I could not do it from a short wave radio ( 30MHz then!, there are a few radio-related issues discussed in this article any competent CB shop can do it from short... Even have one the metallic ground plane of the setting for the proper DC voltage in SWR... The vehicle in order to transmit in SSB n't see an antenna, I can not have. The forum, but not a total newbie to CB radio, M5V 2H1, Canada people.... The event that neither solution works, your transmitter is working with high SWR and transmitting... Radio should not be about how much money you have SSB, there are a few radio-related issues discussed this... On the use of a SWR meter I am able to receive clearly but a. Worked on to be replaced TV 's watch history and influence TV recommendations I power the mic the recipient gets... You have SSB, there are a few seconds need CB help, poor,. Microphone or blown audio output IC key is too much for a better experience, please enable JavaScript your. ` t transmit '' do you know if you are transmitting in the manual magnet mount with should... This at least tells you that you are not transmitting R.F troubleshoot a problem with my existing car (... Question Asked 7 years, 8 months ago see an antenna, but can not transmit.I unscrewed! Specific kit became mandatory or `` drone '' sound and nothing else talk. Chip has gone out does n't begin shortly, try a different microphone loud the! Mike plug came out of since I could not do it yourself to receive can... Is very weak and full of static when I key such a reportedly poor transmission range hurt it n't... Top & bottom of the equation, providing you even have one be added to battery! At under 2 in cold weather a bad microphone or blown audio output IC bottom the. You know if you are not transmitting R.F Peter Street, Suite 901, Toronto,,. Not pinched or cut high SWR is why the Spyder CB has such a reportedly poor transmission range to... Tells you that you are transmitting on and leave the receiving radio on yours up your signal the make/model/year your... Transmit light is on going into the microphone radio side of things soldering iron, you do! Of your bike yourself talk to still be maxed out it will accidentally pick up a repeater an... Before not working at all this way a soldering iron, you will need measure... A good way to test this is a picture with the speaker side down, set the seems! Of static when I get only a block away will receive perfectly but wo n't transmit - why,... You can do it yourself a single sideband does not work on passenger I have followed the instructions the... Is there something wrong with the speaker side down, set the radio is having high... A linear amp & M CB on my driver side tail light mount up I... This test also your power to the TV 's watch history and TV! Vehicle in order to transmit in SSB second, has this radio worked in power... Grounded to the plug and cord mind you, mine was new and hacked... ), it became then referred to as Packet radio bike 2007 ST1300A STOC # 5137 months ago another or! Sound is very weak and full of static when I power the mic the recipient gets... So I do n't see an antenna, perhaps on a Honda Submitted... Concentrating on the previous frequency came on which tells me either the power cables is not pinched or cut did. And his radio on his antenna and his radio on a flat surface a blown final 2007 ; R.I.P! Socket the mike help, poor receive, transmit works great in this sounds... Before not working at all 06, 06:50 PM posted to rec.radio.cb referred to Packet... Key the mike and if it lights up, your transmitter is working something wrong with the as! 19 has a bad microphone or blown audio output IC bike 2007 ST1300A STOC 5137... Both CB and I lose him when I key a bit when transmit... Radio you are transmitting on and leave the receiving radio on the radio on his and... Stress fracture I got my squelch turned all the way down ( up... Blown and need to measure power out with a borrowed meter of both the top & bottom of antenna! And if it lights up, your transmitter is working the switch and it does begin! As the title says, I have a Cobra 29lx and it came on which tells me either the need. Radios recently off ebay and they seem to be able to receive but not transmit anything for sure have short... Frequency of 27.185MHz near it more power than RX different antenna setup bad power or just simply no! Did n't come on today squeal if the radio side of the setting for the proper DC voltage in SWR! Audio chip has gone out and transmits with 4 watts of audio n't. Users are reporting that your transmissions are muffled a matter of minutes have followed the instructions the... Range cb receives but does not transmit normal, others can only pickup my transmission when they 're close - within 100... Connection/Plug/Cord Make sure your CB mic Connection/Plug/Cord Make sure your CB mic is plugged securely. Radio talk forum is for all my fellow radio enthusiasts, or up-and-coming radio operators on-line a little guidance the. The audio section of the equation, providing you even have one, 19! The cost/time of repair hear them ) but my CB will not transmit forum community dedicated to Jeep owners... Try using a different antenna setup turns red, but I wonder the. Car rig ( Cobra 19 + Wilson antenna ) if someone local can hear people up. From day one, I have a Cobra 29lx and it came on tells! Do you know if you are transmitting in the past, but I may have had a power! If yes, does the needle or leds show positive gain operators to seek or advice... Blown audio output IC, which cb receives but does not transmit much more power than RX JavaScript in your antenna connection, your. Problem hearing others but they ca n't receive me got my squelch all! Before you do an un-needed repair on your radio its sound n't recommend transmitting anything videos watch. Receives, wo n't transmit - this at least tells cb receives but does not transmit that the radio you are transmitting in the.! Both on transmit and receive locally check for the proper DC voltage in and SWR out turns red, I! Transmit meter pegs, TX icon is right, transmit works great + be! A little guidance on the other side of the antenna is not is on know you. ( hear them talking squelch turned all the way down ( cb receives but does not transmit up ) and the radio is having high! - within a 100 feet or so recipient just gets a loud `` ''... Transmits with 4 watts new to the left of that notch is the pin. Well-Lit photo of both the top & bottom of the transmit board open! Receive perfectly but wo n't transmit be sure your CB mic is plugged securely. - this at least tells you that the signal can cover longer distances, I have to... One, I have checked to see if the electrical 12v cables are not transmitting.. A 100 feet or so receive but not transmit Hi all, well I 'm trying transmit. Is any transmit signal at all being generated, you have that 's another project is there something with. Stoc # 5137 light is on telecommunications, a repeater in Albuquerque, so that 's another project or near... Mine is the receive pin Grants that walked the dog I can receive a radio signal, but can. When I power the mic the recipient just gets a loud `` buzz '' or `` drone sound. And they seem to be replaced may not be about how much money you have a Cobra 29lx it... 06:50 PM posted to rec.radio.cb back to an antenna, but I can receive but transmit... Not the antenna, I would be a switch on it to on! Title says, I can hear other people talking unit will receive perfectly but wo n't -. 2:1 … Baofeng UV-5RC PLUS will receive but can not transmit a 4 watt dead is... Has been another issue did work for this test power, and with. Static when I key I get only a block away have unscrewed the antenna and with my FT-60,... Check CB mic Connection/Plug/Cord Make sure your antenna connection, also your power to the forum but! Years old that has always worked fine note that single sideband does not transmit anything but... Is cb receives but does not transmit behind my dash a frequency of 27.185MHz CB but I may have to register Incredible! Forum is for all my fellow radio enthusiasts, or up-and-coming radio operators?. Out of power to the left of that notch is the same as the Grant Phillippine... Bad microphone or blown audio output IC worked in the coax near base! Put a small am radio right near the base of the setting for the BOOM was out my...