When I put the Connex 4600 Turbo in storage 2 years ago it worked fine. Hooked it up today, same wiring, antenna & mike, strong meter response but no sound.
If mic is ruled out (broken connections etc) likely a cap in the audio circuit has opened--this happens a lot when a radio is stored for a long period of time.
Going to need a schematic and a meter to test the caps in the audio circuit--could also be a bad audio chip or connections at it.
SD TECH
Testimonial: "Yes, this sounds right. I have the meter but no schematic. This is beyond my skill level anyway, so I'll start looking for a good CB doctor. Thanks for the advice. AB"
SOURCE: Cobra 29GTL Won't Transmit
if the red ant light comes on this means that you have antenna trouble either in the antenna itself or the coax but this should not have anything to do with the radio not transmitting. it sounds to me that you have a bad audio chip or a bad power output transistor. in either case you should really take it to a cb shop and let the professionals solve your problem, good luck!!
SOURCE: Connex 4600 turbo export radio
Hi,
On most mobile communications equipment, it is best that:
1. the power leads are directly wired to the battery terminals;
2. the bracket and radio body are grounded to the chassis of the vehicle;
3. a braided grounding strip be used in addition to the negative power lead; and/or
4. a gutter or trunk lip mounted antenna be used rather than magnetic. Antennas are better made of metal rod (not fiberglass) such as those made by Daiwa, Maldol, Oscar, Hokushin and others. The mount itself should use high quality RG58 coaxial cable such as those by Belden and others.
Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information.
Good luck and kind regards.
SOURCE: North Star DX 330 HML has no receive
Radio dude, we'll try to help with the problem your having with your Northstar base. I assume you have checked all the controls to make sure they are functioning correctly? ok, based on what I'm reading for the problem, I'd say your looking at a bad solder joint on the main circuit board, or a close powerful station might have keyed up and blowed the front end out of your receive. There are 1 or 2 fet transistors in the RX chain and with the age of the radio, one of those going bad on it's own is a possibility. Sounds like it needs some hands on troubleshooting, are you electronically able to work on it?? Hope this helps in your search and let us know,, Mechanic
SOURCE: Connex 4600 Turbo
i have the same radio turn talk back off and there is enough power ull have talk back through you trucks radio speakers and it needs to be hooked up to the battery with at least 12ga wire
SOURCE: Frequencies
i have a 4600 connex and if i turn the mic gain all the way up i get alot of modulation.can someone tell me how to fix that?
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