Question about Cobra 29 WX NW ST 40-Channels Base CB Radio
The dimmer works properly in adjusting the lighting of the channel display and signal meter. But the front panel does not light up. Is this a simple fix such as a bulb replacement?
The "nightwatch" lighting uses an EL or electroluminescent material that does degrade with age. If the radio is old, then it may be lighting very dimly (check in a dark room with the dimmer at full bright). The material is connected by a ribbon to a special high voltage pulsed powersupply that runs at about 500 volt. If the power supply is working then a new face would be in order or a new radio. If the powersupply is not working it may be repairable but requires working with surface mount components. Either way, it is NOT a simple lightbulb fix. I have successfully repaired and do stock the smc components to repair but cannot get the faces through cobra ($$$). More info? Contact through www.cbshop.info
Posted on Feb 22, 2007
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Posted on Jan 02, 2017
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