Question about Radio Communications
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Posted on Jan 02, 2017
SOURCE: TRC520 CB wont power up
Hello, First of all you only have the Power wire Red, and the ground wire Black to connect for 12v DC to power the unit. If you memory power it is usually connected to a constant power source such as the cigarette lighter or continuous 12V dc powersupply off of the battery. These are the only connections that should be connected to provide power. Since the unit will not turn on I suspect that the CB's power supply and regulator have been blown. Another possible choice is that the radio was working and someone removed the antenna cable and the the RF power amplifier malfunctioned taking the power supply and regulator with it. To solve this problem, check the voltages on the wires before connecting them to the radio (these should be the 12 volt power off of the radio circuit, and the 12 volt power off of the continuous 12V connector (or the cigarette lighter). These voltages should read 12V. Connect the CB with it turned off and measure the voltages (should be 12V) Turn the radio on and check the voltages (should be a little less than 12V) If the radio does not come on then the internal power supply of the radio might be defective (In this case I would advise taking the CB to a qualified radio repair shop) I hope this helps Thank you, Shuttle83 http://www.electron-age-technologies-llc.com
Posted on Jun 11, 2009
the shielded coax rgu-45 series is probably the best one for this application also if you run the radio to a different fuse or u can also get a surpression filter that goes on the coax line I own a WL9000 KW. i had the same problem untill i got the filter installed at a loves truck stop in texas and no more problems since ok?
drive safe and best regards mike (warner transp.)
Posted on Aug 17, 2009
The orange wire is for memory retention for the last channel you were on if the red wire loses power as in switched on and off with the car ignition just hook up the orange to a 12 volt source that is on all the time. By the way those are some neat little radios wish I had one.
Posted on Aug 23, 2010
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