I`ve got a new cobra 29 LTD classic, I would really like to replace both the lcd channel display, and the meter light to a different color. Have quite a bit of backgroung in auto wiring repair. Is there any info on this procedure that you know of, or is it pretty straight forward.
I`d take it to a shop, but there`s none local, I`d have to ship, heard too many horror storys
Hello, the channel display is kind of touchy, as far as getting to it and of course it is soldered to a small circuit board and there is a certain way it goes back in. There is about 9 legs on top and 9 on the bottom that need to be unsoldered and resoldered( carefully). You can buy them in red,green, and bue. The meter light is pretty straight forward. You have a hot and ground wire. I used to use colored LED lights in the meters, way cool. They are not hot, and they last almost forever. The LED's are fairly easy because if you hook it up backwards, it just won't do anything. Let me know if you feel comfortable doing the solder work, and take a look inside the bottom cover at the channel selector because it has to come out with the channel readout. I used to charge $25.00 just for that because it would take me an hour just for the ch. selector, and about 15 min. for the meter light. Let me know one way or the other,,, Mechanic
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The most likely cause broken wire in mic a nice Roadking 56 would be a nice addition with better audio than factory mic.
The meter light is unrelated they burn out and can be replaced without replacing meter. Different colors and rainbow lights that chenge if you prefer. I find them annoying.
Cobra Highgear mics are sold in Pilot truckstops that is a cheap replacement. There are the versions basic,noise cancelling and power mic. The power mics are for stock unmodified radios and will mostly squeal on a tweak radio from cb shop.
Durablity and quality audio tone for the price goes to the RK 56 mic they are about 70 bucks with tax at pilots.
check the squelch by turning all the way both ways. check the external speaker socket. if it is the swicthing type it could be either bad conntact or dry joints. try an external speaker to see if that works. another thing is I believe it wont work if the microphone is not pluged in or connection fault there. Good luck.
The CAL is to calibrate meter for reading SWR (standing wave ratio) which is reflected power when transmitting back to receiver(radio) from antenna system. This CAL switch position when selected and mic keyed uses the CAL knob to align the meter needle with inverted red triangle next to cal on meter. Then when you select SWR switch position meter will display accurately when mic is keyed for that channel. Now notice the difference when you go between channels 1 and 40. The ant led light will act as idiot light if it is not lit then you are most likely safe to transmit. I say system because your vehicle, antenna and coaxial cable are all part of this system. When you have a high reading and have to trim you antenna this is really calibrating the antenna to the vehicles body which acts as a ground plane.
Your problem does not seem to be specific enough fo me, when you talk about the "board." The first thing I would suggest is to make sure the power going to the CB is clean, like from the ignition or directly from the battery, that may eliminate the noise. On the color change issue, I can suggest one of 3 things, open the case and replace the light unit, live with it, or replace it. Overall, I would say if you do need to change the board you were talking about and would need a tech to do it,along with the light issue, it may be best to move on, and purchase a new or used unit.
Had fixed the same problem yesterday. My cobra worked when it wanted to, when it didn't it looked like you explained. I found out that on my cobra the blue wire on the mike connector was broken. When it disconnects, no sound. after soldering, everything works fine.
For the money,the Cobra 29 nw/st is just as good if not better than a Galaxy. Cobra is more durable by far. I have had 3 of these cobra's in the last 30 years. Only had to replace the last one because the tractor got hit by lightning.
Sure would not pay big money for a name.