Question about Cobra 29 LTD CB Radio
The fuse keeps blowing when i hook up the radio, replace the fuse....still the same problem
The protection diode (a black, tub looking devise) hooked to the positive power wire near the back of the radio, is most likely your problem. Check to see if any doides are shorted by using a Volt/Ohm Meter by checking for a short. For more imformation or help, email me at email@example.com.
"Original Radio Man"
Posted on Feb 13, 2013
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Posted on Jan 02, 2017
SOURCE: COBRA 29 NW LTD CLASSIC
Capacitor C-82, which connects the output of the driver to the input og the final, is leaky or shorted, putting +12 volts on the base of the final, which blows it immediately.
Posted on Jul 20, 2008
SOURCE: Cobra 29 Ltd
Appreciate the direct "Ask Me" again.
The initial posting would still hold true, best would be:
Good luck and kind regards. Thank you for using FixYa.
Posted on Sep 08, 2008
Open the case on your radio. Solder a 100 ohm resistor between the pa jack and ext speaker jack. You can add a switch if you like to turn it on and off. The lower the resistance, the louder the talkback.
Posted on Apr 25, 2009
1 why would you change the finals?? Have you checked you antenna? How are your SWR's? Crappy antenna's cause a lot of problems.
Use an external meter to see what the SWR is, and see what the output is PEP. If its low, then there is something wrong. If it is High, change the mic and turn up the dynamic all the way.
Next. Have you been messing around in there?? Tryin to get more wattage? You turned VR4? If you thought you were turning it up by turning it all the way to the right, you turned it all the way down. Turn it all the way to the left.
Posted on Jun 17, 2009
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