Question about Sharp LC-19SB25U 19 in. LCD HDTV

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Blurred picture, after some warm-up it back to clear picture

Sharp tv dont know the model, experienced picture outline blurred, but after about 20 minute it goes back to normal, what could be the problem of this, I suspect the screen grid of the CRT but not sure, another suspected piece is the FBT, perhaps it has a shorted coil, so as not to be able to build up voltage for the screen grid, can you help me sort out the problem?

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If the problem doesn't return after the picture becomes normal, then it could just be due to the electron gun taking longer to fire up. I don't know how old your TV is, but TVs older than ten years typically take longer to warm up than more modern sets.

Posted on Jun 02, 2009

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