Question about Connex CX-3400hp AM/FM 10 Meter Amateur Mobile Transceiver

1 Answer

I have a Connex 3400 Hp and it stopped receiving all of a sudden while driving down the road and the needle on my meter is dead on 0. I've doubled check to make sure all my knobs and switches we're in the right position and that I wasn't having any problems with my coax. The band selector stopped working at this time also and it started working again after I changed the battery on the inside of it but I still don't hear anything. When I removed the cover it smelled as though a component had burned up

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Anonymous

Check for a fuse bulb for the RX section i would have a radio engineer look at it as you smell stuff

its also not a good idea to drive around with known faulty electronics in your car its a bad problem just waiting too blow up in your face... so.. dont leave electrical issue in cars your family depends on

Posted on Nov 23, 2014

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Anonymous

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SOURCE: just installed a connex cx 3300hp not sure of

it should be am selector switch on d/a and hi band

Posted on Jul 26, 2010

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anymhz

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SOURCE: how to convert a connex

That needs to be done by someone that knows how, theres soldering involved. most cb shops will do it for $free-$10.00... Don't pay any more than that.. there are no parts nor is it hard so they shouldn't charge much.

Posted on Mar 01, 2011

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When turn radio on channel indicator searches but will not stop search 3400 connex 3400


the radio is searching for a strong incoming signal and until it gets one it will search for one. Try turning off the scan button .

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Connex 3400 hp makes static noise when I hit bumps in road.


don't hit any more bumps. The problem could be in several areas. I'm going to say that you may have a loose capacitor inside If I had the radio here I could fix it but because the problem may be so spread it could be a lot of things Are you a truck driver? If you are take it to a CB shop at one of the many truck stops and see if they can fix it for you .

Jan 22, 2016 | Connex CX-3400hp AM/FM 10 Meter Amateur...

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I have a Connex 3400hp and it just topped receiving all of a sudden while driving down the road


did you check to see if it was still plugged in.maybe the reverse polarity diode or a crack in the pcb

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2 Answers

When i key my connex 3400 hp up the meter drops to 0


If this isn't the result of an incorrectly set switch (ie: the PA / CB switch set to PA, failure to modulate the carrier in SSB mode, set to CW etc.), it is likely to be an antenna / coax connection issue. Double check connectors at the radio and antenna. Remove and inspect for dirt corrosion, etc. Clean up and reconnect. Make sure fittings are at least hand tight. Check for solidly connected antenna mount to the car body. If the type that engages the lip of / or a body panel, make sure it isn't rusty. If a magnetic type, try placing on the center of the roof (if metal & look for evidence of water entry into the base of the mount) Check the entire length of the coaxial cable. Look for places where it may be damaged from pinching between body panels. Crushed, chafed, and cuts in the outer jacket indicate a problem with the way the coax has been routed. Make repairs / replace as needed with thinner diameter coax if needed or reroute away from pinch points. Lastly, check and adjust your antenna for minimum SWR with a meter. A match of 2.0:1 will be required to prevent damage to the radio while transmitting. A 1.1:1 match is ideal, but under most circumstances. a 1.5:1 to a 1.8:1 match is attainable with a little bit of effort.

I hope this helps & good luck!

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1 Answer

Got a connex 3300HP has a ranger board and chipset won't modulate recieves fine keys up relay clicks needle doesn't move no voice either cant find schematics


You may have a dead meter.
Modulation is audio's affect on swing wattage or pep. Notice that needle moving more with your voice.
Dead key or carrier wattage is without your voice enhancing the power only with mic keyed.
I can only assume that the chipset you are referring to is an ic chip audio or pll which must be working if you are receiving audio.
Check your mic cord................ transmit and modulation and even your receive volume can be affected by the cord/mic plug solder joints or broken wires here.
http://www.cbtricks.com/radios/galaxy/dx33hp2/graphics/dx_33hp2_sch.pdf this is a similar radio the General Lee, Connex 3300hp and Galaxy hp2 share boards i believe dont hold me to that thou.


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1 Answer

How to convert a connex 3400 hp to cb radio band from 10 meter band.


That needs to be done by someone that knows how, theres soldering involved. most cb shops will do it for $free-$10.00... Don't pay any more than that.. there are no parts nor is it hard so they shouldn't charge much.

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1 Answer

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O the front you should have a dim switch its on of 4 up & down switches ? if not check on the back ? was it bought as a new cb or was it 2nd hand as the dimmer switch may of been used for something else

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