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Dynex TV came on black and the buttons aren't working?

My Dynex TV was working fine when I turned it on, but when I put in the numbers to change the channel, the channel came up black, but the TV is still on. It didn't even show the number of the channel and none of the buttons on the remote or the TV itself are working. What happened and what should I do to fix this?

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  • Dynex Master
  • 3,320 Answers

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

Posted on Apr 21, 2014

Testimonial: "I was hoping it wouldn't come to that. It appears to be stuck between channels. Is there a reset button of some sort on the TV or remote?"

  •  Mike M
    Mike M Apr 21, 2014

    Sometimes there are a series of button presses that will reset the set, but generally it's not information the tv maker publishes. What you describe is a component failure.

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Posted on Jan 02, 2017

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SOURCE: iLO LCD Color HDTV does not change channels / volumn...just turns on/off

I recently bought an ILO 32 HDTV with the same problem. I searched every site I could find for a solution. I finally found someone that gave me the direction to replace the Main Board for the TV. This is the board that you can plug your exteranl devices into, computer, dvd, HDMI etc.

The phone # to Digital Age is 909-974-2859. These are the people who can send you the part you need. Also the remote that I have is RC-500, which is the newest remote control for the new Main Board. I would suggest getting this remote.

The price of the board was $123.89 with $10.00 shipping. It only took 4 days to get the board from Ontario California, and yes they do speak english.

I removed the backpanel myself and then removed the metal cover over the Main Board. Remember to mark all of your wires and screws so you can put them back in the same location. The connections are all quick disconnects and the board is one piece. I had the board replaced and the back panel back on within an hour. All buttons working on the TV and the remote control, and the TV is working great with sound.

But I do not have the Manual......does anyone have the manual? I am willing to help anyone with a fix for their TV for a copy of the TV Manual.

I hope the information I have given helps in anyway possible,

Johnny

Posted on Sep 27, 2008

  • 2 Answers

SOURCE: Toshiba 50HP66--can't change channels anymore

I had this problem. Unplug it while it is powered on. Worked for me.

Posted on Nov 03, 2008

leecom72
  • 4806 Answers

SOURCE: Sabre 42 in plasma tv stuck on component 1

remove the power from the wall and leave the TV off for at least an hour, the static charge may have shorted the circuit board for the pront panel controlls.
after an hour or so plug it back in to see if has reset itself

hope this helps

regards

Posted on Nov 27, 2008

  • 1 Answer

SOURCE: Panasonic remote and volume/channel buttons do not work

My son put a penny in the SD card slot of my Pansonic flat screen tv. I finally got the penny out but now the volume and tv controls do not work. I can change the channels through my cable box but that is it. The volume does not work on my cable remote or the flatscreen. What do you suggest I do to fix this problem?? Thanks, Josh

Posted on Aug 23, 2009

  • 19 Answers

SOURCE: How to reset tv. Have sound but black screen

LCD's use a colorful crystal see through display which only visible when light is shining through it. if you have sound and no picture it's always a faulty PSU. Very easy to change out actually.

Posted on Mar 27, 2010

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