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My logic tv displays a blue screen,no picture or sound.I holded the sound button for more than 10 sec.and still no reaction,help pls

I holded the sound button but dont get any results.

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  • Televison & ... Master
  • 74,232 Answers

Sounds like main board fault. Contact any service technician. Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Nov 22, 2014

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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jomaru
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SOURCE: TV has sound with no picture display

Is it possible the pip and the main picture have been swapp and the main picture is showing as the Pip?Is a possibility,check it out and let me know.

Posted on Sep 29, 2006

  • 4234 Answers

SOURCE: Insignia NS-32LCD will not turn on.

WIth the set only 7 months old, it should still be under warranty. The problem now is that by opening it up, you effectively have voided the warranty. That being said, the problem is that a problem has been detected internally and the set shuts down to prevent further damage. The first suspect is the main power supply board. I would try for warranty service first. If that is not available a local service shop should be able to take some measurements inside to detemine whether the power supply is not working correctly or if the suply is being told to shutdown. WIth what little info is available here and not being able to examine the actual unit, remote diagnosis will be difficult.

Keep us posted.
Dan

Posted on Aug 25, 2008

SOURCE: Half part is display

replace ic

Posted on Sep 29, 2008

stonephoenix
  • 563 Answers

SOURCE: my 42pf7320/10 tv,cannot get no picture ,jus sound

I have over 10 years experience in electronic tech support.

I know this isn't what you want to hear, but the problem you've described can't be fixed with troubleshooting. Your TV will have to be repaired. There is a part that has developed a defect and needs to be replaced. If you're still in warranty, the TV will be repaired at no charge to you. The warranty would likely be at least one year from the date of purchase from the manufacturer. If you purchased an extended service plan they will repair the TV at no charge as well.

If the TV is no longer in warranty, the repair will likely cost a minimum of $300 parts and labor. This is assuming that you only need one circuit board or the board itself can be repaired at the component level. If the problem requires more than one of the video circuit boards to solve, the price of repair could go much higher.

I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please let me know if I can be of further assistance.

Posted on Jun 18, 2009

  • 123 Answers

SOURCE: i get sound but no picture

If the screen went dark blue, this is the way that sets mute the video to protect the tube. However If the screen is very bright blue with possibly blue lines going through the screen, either the blue gun in the CRT has failed which is unusual but can happen or the driver transistor/IC which drives the blue gun has gone short circuit. If you know how to use a meter, you can perform a comparison check by comparing say the red O/P TX with the blue O/P TX. Ian

Posted on Jul 23, 2009

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Hi Friend,
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