Question about Cobra HH 38 WX ST CB Radio

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My Cobra Road Trip handheld CB won't switch over to battery power when I unplug the 12v adapter. How do I open the casing to check if the spring behind the connector can be repaired or replaced?

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Make sure you have good batteries in it ,and installed correct. There should be a switch behind the battery,i think.... but there is a switch on it for ac or dc,switch it to dc,make sure you have the ac plug adapter end unpluged from it in order for it to work......hope this helps.....

Posted on Mar 03, 2010

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1 Answer

Cobra road trip


Hi Manda,
I would be cautious about using this, as it could cause problems with power drain in your vehicle, especially if, while your using adapter and car radio/CD/aircon, etc,. at the same time.
Personally I wouldn't do it.

Cheers
Peter

Mar 03, 2013 | Cobra Radio Communications

1 Answer

Cobra handheld cb radio stops working when inserting external power source


If it works with batteries but no via the external input for power either the socket for that is bad or the source voltage is not there when connected that way

Dec 04, 2012 | Cobra HH-38WXST CB RADIO 40CH 10 WEATHER...

1 Answer

When docking the headset cobra road trip and activate the ptt who hear me get a ring


  • Hi, I can help. When the microphone/earphone set is inserted in the radio itself the control is automatically turned over to the headset. There are no radio adjustment that need to be done. Just plug it in and use the PTT on the cord of the headset or unplug and use the controls on the radio itself.

  • Many don't know that the Cobra Road Trip and the Cobra HH 38WXST are identical radios. The only difference is the antenna sold with the two radios. The one you have come with a rubber duck style antenna and the HH38 WXST comes with a magnetic car mount antenna. So while the manualfor the Road Trip is hard to find the 38 WXST is not. Here is a copy of the manual http://minus.com/mTQOgU0yw

  • Read through the manual a couple times and feel free to get back to me with any questions you have.

  • Hope this helps.

Oct 28, 2011 | Cobra Road Trip 40-Channels Handheld CB...

1 Answer

How do you get unit apart to work on inside


very carefully remove the knobs with pliers. take out all screws. Be careful about touching things inside while Power is on. Do things with power off or unplugged then plug it in to test it.

May 21, 2011 | Cobra Road Trip 40-Channels Handheld CB...

1 Answer

When we push the button to talk, we get a low frequency squeal, and the other CB radios receive a squeal. We have tried adjusting the sqelch, no fix. It seems to disappear sometimes when you turn it on and...


Hi,my name is John. Welcome to FixYa. Do you hear voice in radio? May be to close to each other. Let me know how it goes. Good luck and thanks for Choosing FixYa ..John sounds like feed back from speaker.

Nov 06, 2010 | Cobra Road Trip 40-Channels Handheld CB...

1 Answer

With the power knob 'on', unit will not 'power-up'


hello this could be down to a dry solder joint or a crack on the circuit board ,remove the cover and check the board

Jul 21, 2010 | Cobra 38 Wx St Handheld Cb Radio

1 Answer

Cobra HH 40 charger specs


I have a Cobra HH-40 CB radio and am charging it as I type. The included charger is rated at 16V DC, 100mA. The pattery pack charges 10 AA rechargable batteries (the manual specifies NiCd, but you can also safely use NiHM). The 12V DC car charger included cannot be used to charge the battery pack, but can power the radio.

Mar 25, 2009 | Cobra Radio Communications

1 Answer

CB keeps blowing fuses


There are a few common reasons the fuse keeps blowing:

1. The transmitter final transistor is bad, it usually is directly connected to the 12v source and not switched by the power switch.
2. The power wires were accidentally reversed I.E. positive to ground, neg to 12v. There is a protection diode on the circuit board that did its job and is now shorted. it will keep blowing fuses until its replaced.


Dec 30, 2008 | Cobra 18 WX ST 40-Channels Base CB Radio

1 Answer

Cobra Cb handheld radio model: HH-35 doesn't work


Open up the back of the radio and check the solder joint from the antenna connector. I had same problem and it was this.

Mar 23, 2008 | Cobra HH 38 WX 40-Channels Handheld CB...

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