Question about Sony KP-53HS10 TV

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Sony projector kp53hs10

My Sony kp53hs10 projector TV will turn on and show the picture for about 30 seconds, then it goes blank. The sound continues to work.

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  • legold5 Dec 06, 2008

    seet was working fine when suddenly bean having convergence  problem the flash focus would not fix. sound was fine. then picture began to blink off and back on at random times...

  • niwri Jan 05, 2009

    Whether I'm watching Direct TV, Tivo, or DVD my TV will play for 5 to 10 minutes then the picture will disappear and the screen will remain blue without a picture but the sound will remain perfect. Sometimes the picture will reappear in about 5 to 10 minutes and then disappear again. I have eliminated the Direct TV, the Tivo and the DVD player. It is definately the TV. TV is 8 years old with very little use. Maybe 5 to 10 hours per week. I've tried loose out to power, to devices etc.

  • jaynie111 Jan 05, 2009

    my problem is similiar. the screen will go black for just a second, while still having sound. sometimes it only happens when a commercail is on? i took off the front speaker panel, but couldn't find the knob for adjustments. do i have to tear it down more? thanks

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I recently had this same issue. If you remove the speaker pannel in front of the set, you will see a block with 6 knobs on it, just to the right of the center panel. This is called a focus block. 3 knobs on top which control the voltage going to each tube, and 3 on the bottom are for fine tuning focus for each tube.

If your problem is the same as mine, it is a convergence problem. and due to the fact that the picture is turning off, says that one of the tubes is not getting enough power.

NOTE: BE CAREFUL NOT TO TOUCH ANYTHING ELSE BUT THE FOCUS BLOCK, THERE IS EXTREMELY HIGH VOLTAGE WITHIN THE TELEVISION, AND CAN CAUSE SERIOUS INJURY.

1. Make sure the screen is blank, ex video 2 with nothing on. It's easier to tell.
2. very slowly, one at a time turn up the knob on the left top, should control red, untill you start to see lines come on the screen, then turn back just till they dissappear, and you see a black screen again.
3. continue with the second knob on top, just the same as the first.
4. And continue with the 3rd knob on top right just the same.
5. when you're finished, turn off the set, then back on, let is set for a min or 2, then hit the FLASH FOCUS.

If the problem persists, it most likely is a IC chip.

Best of Luck

Ken

Posted on Dec 03, 2008

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