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Tv no sound no picture

Tv working fine yesterday. When turned on today, no picture no sound but cable box is working

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

dutchman05
  • 487 Answers

SOURCE: LG LCD/DVD TV no sound on TV - DVD works fine with sound!!!!

HERE is the servce manual for this TV

Posted on Jun 21, 2008

  • 93 Answers

SOURCE: Samsung HDMI issue

Have you try to replace your HDMI cable?I recommend you to pick up a good Monster HD700 HDMI cable from a local retail store like best buy or circuit city.In case it isn't the cable problem,you could return it.
However,when you are a using the HDMI cable,it is normally either have both picture and sound or nothing at all.Are you sure you didn't hook up the audio OUTPUT from your TV back to a receiver input?
Or even an optical output from the TV to the receiver?
solutiondoct

Posted on Nov 06, 2008

  • 1 Answer

SOURCE: Samsung LCD tv - Turns on and off by itself.

Not sure if this is the same problem, but I just moved and set up my Samsung 40" LCD and it has been going off and on by itself with the worst yesterday every 2-3 minutes. After speaking with a friend of mine who is not in the Tv business but just has good common sense, I determined it was likely a bad power strip. The bottom line is I replaced the crappy power strip (which was fully loaded with all 6 outlets in use) with the higher quality one I had in the other room. The problem is gone. I suspect the power strip was failing or real bad quality........try plugging the tv directly into the wall outlet first. hope this helped.

Posted on Sep 18, 2009

vinnyq
  • 157 Answers

SOURCE: sound doesn't work on television

Sounds like there was a power surge that caused the audio processor in the TV to go out. This is fixed by replacing the main board.

The power supply board in the TV should also be checked as that could have been damaged as well. These are usually the first to go out from a power surge. Get a good surge protector to help prevent this in the future.

Posted on Oct 07, 2009

vinnyq
  • 157 Answers

SOURCE: sony bravia kdl-52w3000, turn tv on, no picture or

Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.

To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).

Posted on Oct 07, 2009

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