Question about Cobra 200 GTL DX 4-Channels Base CB Radio
Hi I'm new here, but I was wondering if any one has had a problem with the night glow face plate getting dimmer, even when the dim switch is on high. Is there any bulletin out on this problem that you know of one wire? This is one of the main reasons I bought this radio, was for the lighted face plate. Many thanks...... Icepick 73
Icepick , there are diode in the radio to allow the voltage to flow to get those lights glowing. If the voltage is not at a specific level then you may have the problem you are describing. make sure you have 13.8 volts of power coming into the radio then check you voltage on T712 to make sure the voltage is ok also IC 5 . Check diodes 68 , 69, 71,72 for correct voltage . now you need a voltage chart. You will have to google it .
Posted on Feb 23, 2015
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Posted on Jan 02, 2017
The dimmer pcb driver has a tendency to go bad in these radios contact cobra and ask them they migth be able to send you one if not write back to ma and Il see if I can get you one...Chia
Posted on Jan 10, 2008
SOURCE: talkback on a cobra 200 gtl dx
This procedure is not as simple as just cutting a wire. Note that you can possibly mess your radio up if any maintenace is not done properly. I do suggest taking your radio to a proffesional to have the talkback removed, but, if you really want to do it yourself, go to ghe following link and basically reverse what has been done.
This is the service bulletin for the addition of talkback to the Cobra 150GTL DX and the Cobra 200GTL DX.
As long as the talkback was added correctly, this can be put back origional.
If this does or does not help, please reply on here or email me at email@example.com. I look forward to hearing from you.
Mt. Vernon, TX
Posted on Feb 14, 2008
SOURCE: cobra 200 gtl dx clarifier clip
Egor, hi. I'm sure there is a mod probably only known by the repair centers. I have converted and tuned the 200, but in case you don't know, the radio is full of surface mount components. They look like specks of pepper to the naked eye, and so it takes a tech with years of soldering experience to do any modding without destroying what their working on. Those radios are not a friendly radio for experimenting. I looked thru my papers that Cobra tech support sent me for converting, tuning, and other misc. mods but that info was not included. It is a nice radio when set up properly, so don't mess it up by experimenting.(just my opinion) Hope this helps,,and good luck, Mechanic
Posted on Feb 22, 2008
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