Question about Toshiba 46XV640U 46 in TV

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Keeps taling longer for tv to start

Toshiba 46xv640u the tv kept taking longer and longer to start... the power would come on but no picture. Once I had a picture, I just left it on for a few months so I could watch tv with out waiting for a long time for it to start up. One day, the power went out and the tv will not started again.

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Probable power supply decline to failure.

Posted on Dec 28, 2013

Testimonial: "replaced power supply and still no picture... tv turns on, but still no picture."

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Toshiba Plasma clicking noise

Check the fan, it may be dust or a bad bearing.

Posted on Oct 10, 2007

  • 2318 Answers

SOURCE: Toshiba 50HP66 Blank Screen with sound

I would suggest to read what other members have reported by clicking here.
Good Luck.

Posted on Apr 28, 2008

  • 1 Answer

SOURCE: Was watching tv( Toshiba Regza)and the screen went blank.

I have the same television and ocasionally the sound shuts-off, but I still have a picture.
What type of cable system do you have? What kind of converter box? I am trying to find out if it is the TV or converter box. I change the channel a couple of times and the sound usually comes back.

Posted on Feb 17, 2009

  • 1 Answer

SOURCE: power led blinks but no picture or sound

Had the same problem myself. Took some doing but I managed to find a service bulletin that I downloaded. The problem is with the siene module and all you need to do is unplug connector JP63A from the main board and your TV will work again.
Take the back off the TV (there are a lot of screws) and look on the left hand side of the main circuit board that is mounted in the center of the TV. You will see a small white connector that is labelled JP63A, simply unplug it. Plug the TV back in and let it reboot. That's it, should be able to watch immediately.

Posted on Mar 15, 2009

  • 3 Answers

SOURCE: No picture

You have a bad Y sustain or bad Z sustain! End of story! Please feel free to give me a call if you would like more info!

I'll help u fix your TV!

Ask for Dave @ 1-503-432-9904 or message me @ pleasefixitdave@yahoo.com

Posted on Sep 11, 2009

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1 Answer

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1 Answer

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1 Answer

Power light flashing/ no picture


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