Question about Sony KP-51HW40 51" Rear Projection Television

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Blue screen screen turns blue and sometimes shuts off

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  • eynar_one Feb 03, 2009

    I have the same problem with my TV. Does anyone have a solution? I've been searching the Internet for days now with no luck!!!

  • andy99982 Feb 04, 2009

    Just had a sony tech in and he said the blue crt is toast and needs replacement.Problem is in this tv model i'm told all three crt[guns] need to be replaced, that is the red,green,and blue and at $250 dollars a pop it's not worth it.

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The tech form Sony is right. The blue CRT has an intermittent short and if the TV is more than a few years old, replacing all three tubes may be necessary. The cost is prohibitive. I see a LCD flat panel in your future.

michtech

Posted on Feb 13, 2009

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1 Answer

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Good Day;
It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
2. Remove speaker grill, two on bottom, the screws are covered with plastic caps, right and left side on bottom next to floor.
3. Remove inner panel.
4. The blue tube is the one the right side, remove socket, with phillips driver, make sure it's not touching anything.
5. Plug and turn TV back on, if picture appears with no blue it's the tube.
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CAUTION: Call a factory authorized service dealer to give you an estimate, if this sounds too hard.
Good Luck, Day, Big Irish.

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