Question about Cobra 29 WX NW ST 40-Channels Base CB Radio

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CHannel stays on 9 and won't go up. - Cobra 29 WX NW ST 40-Channels Base CB Radio

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This sounds like a problem with the diode matrix which pre-programs channel 9 on the PLL code signals. Probably the "channel 9" switch that activates these diodes is bad, so that the diodes are activated all the time preventing the channel switch to do its work. You will need a schematic diagram and a voltmeter to check the logic signals in this circuit. Start witht he switch; does the switch voltage change when you toggle the switch? If not; switch is bad. If it does, the problem must be "farther downstream" with the diodes itself.

Posted on Aug 24, 2010

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I have a 32 inch flat screen TV by Insignia. It's only a year old.only on channel 9 the sound goes on and off.it stays on for a minute and turns off for 2 minutes. .Why is it doing this???????


If this is only happening on channel 9 and no other channels at all.
This would be a channel issue. The TV would have to have the same issues on every channel for it to be a TV issue.

Hope this helps..

If you need further help, I’m available over the phone at https://www.6ya.com/expert/william_02fc2766c1e13b73

Apr 26, 2015 | Televison & Video

1 Answer

Won't stay on


You're best bet would be to buy compressed air and blow out all dust and dirt that has made its way inside the receiver. If dust is clogging the fans it will overhead and shut itself off.

Mar 14, 2013 | Yamaha Natural Sound Htr-5660 6.1 Channel...

1 Answer

Vizio tv dropped a channel, won't rescan


Try with the remote to direct enter the channel number (with the number buttons and or enter) If set makes it there go into menu for option to manually add it to the set memory.

Not likely a problem with your set.

Dec 17, 2012 | Vizio RazorLED M260VA 26" LED-LCD TV -...

1 Answer

Have cable....need tv to come on channel 3, but comes on to channel 9...turned off tv on channel 3, but no change when turning back on.....mod # tp2384 c102...do not have original remote


Not having the original remote may be your problem or not, if you can direct enter a channel it should stay there if nothing is connected--then go into menu and manually add it, if it does not something is wrong with the set.

Dec 16, 2012 | Televison & Video

1 Answer

When I hook up my cobra 20 plus it won't change off channel 9 . Why not?


it may have a channel nine switch or button on the front that locks it there.

Dec 14, 2012 | Cobra 20plus Cb Radio W/ Microphone Power...

1 Answer

I have a soyo tv and the codes on the setup sheet do not work


Try a code search method. If the remote have codes for your TV, you will won. It is a time taking procedure. Check it. Here the procedure is.
Code Search
If after trying "Direct Code Entry" your device does not respond, or if your brand is not listed, try doing a search of the code library for your code by following these steps.
  1. Manually turn on the device (TV, VCR, etc.) to be controlled.
  2. Press and hold the SETUP button until the red indicator stays on, then release the SETUP button.
  3. Press and release the desired Mode button (TV, VCR, etc.). The red indicator blinks once, then stays on.
  4. Press the CHANNEL UP button repeatedly (up to 300 times) until the device to be controlled changes channel. The red indicator blinks, then stays lit.
  5. Press and release MUTE to install the code. The indicator light goes off.
Most users will want to store VCR codes under the VCR button, Cable codes under CBL, etc. If you want to store a VCR code under CBL, etc., first follow the procedure for Direct Code Entry and press CBL in step 2 of Direct Code Entry, then enter ANY VCR code in step 3 of Direct Code Entry. Then follow the steps above for Code Search.

IDENTIFYING CODES FOUND USING THE SEARCH PROCEDURE
  1. Press and hold the SETUP until the LED indicator lights steadily. Release Setup button.
  2. Press the mode button that matches the equipment you want to identify. The LED blinks once.
  3. Press and release SETUP. The LED blinks once.
  4. To find the first digit, press each number button from 0 to 9 until the LED blinks. The number you pressed is the first digit of the code.
  5. Press each number button from 0 to 9 again as above to find the second digit.
  6. Press each number button from 0 to 9 again as above to find the third digit.
  7. Press each number button in turn to find the fourth digit. When the fourth digit has been found, the LED goes out

Oct 14, 2012 | Soyo Televison & Video

1 Answer

Rcr311b remote won't code to Sansui tv


Try a code search method.
Code Search
If after trying "Direct Code Entry" your device does not respond, or if your brand is not listed, try doing a search of the code library for your code by following these steps.
  1. Manually turn on the device (TV, VCR, etc.) to be controlled.
  2. Press and hold the SETUP button until the red indicator stays on, then release the SETUP button.
  3. Press and release the desired Mode button (TV, VCR, etc.). The red indicator blinks once, then stays on.
  4. Press the CHANNEL UP button repeatedly (up to 300 times) until the device to be controlled changes channel. The red indicator blinks, then stays lit.
  5. Press and release MUTE to install the code. The indicator light goes off.
Most users will want to store VCR codes under the VCR button, Cable codes under CBL, etc. If you want to store a VCR code under CBL, etc., first follow the procedure for Direct Code Entry and press CBL in step 2 of Direct Code Entry, then enter ANY VCR code in step 3 of Direct Code Entry. Then follow the steps above for Code Search.

IDENTIFYING CODES FOUND USING THE SEARCH PROCEDURE
  1. Press and hold the SETUP until the LED indicator lights steadily. Release Setup button.
  2. Press the mode button that matches the equipment you want to identify. The LED blinks once.
  3. Press and release SETUP. The LED blinks once.
  4. To find the first digit, press each number button from 0 to 9 until the LED blinks. The number you pressed is the first digit of the code.
  5. Press each number button from 0 to 9 again as above to find the second digit.
  6. Press each number button from 0 to 9 again as above to find the third digit.
  7. Press each number button in turn to find the fourth digit. When the fourth digit has been found, the LED goes out

Jun 27, 2012 | RCA RCR311B Remote Control

1 Answer

Why won't my Xbox stay connected to xboxlive


Be sure to try another channel on your router. Default channels often interfere with cordless phones (up to a mile away!!) Try channel 11 or one of the highest available, in the router.

Feb 18, 2012 | Microsoft Video Game Consoles & Games

3 Answers

Ch 9


Hi larry, That is a normal ch 9 default on electronic channel changers. Small midlands/cobras also do that. Try taking the red/hot power wire loose and attaching it to a power source that is hot all the time. That way there will be power going to the radio with the key shut off and it should retain the last channel you were on.
Hope this is what you were looking for, let us know,, Mechanic

Feb 21, 2008 | Maxon MCB-30 40-Channels Base CB Radio

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