Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Color went black, Now no picture

This TV was worked on in April 2007 and the Light Engine had to be replaced. Five months later the color went dark and now we do not have a picture at all. Could this be a lamp problem??

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  • Tracey Howard Oct 06, 2007

    Please explain color separates blue and red? Thanks

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Research at www.HitachiServiceUSA.com ..........T.

Posted on Nov 09, 2007

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
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To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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Started with one thin horizontal black line, then 3 shades over screen, now only static picture


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No Picture


Did you have color problems in past? Most of these sets have convergence problems. Amps goes out. But you should have seen some type of distortion from color, red,blue, green. If no color problems then maybe vertical ouput out or horizontal output bad.

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