Question about Sony KDF-E55A20 55 in. LCD Television

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My scean has vertical color bars on it and no sound. the remot only turns the tv onb and off. on other remote functioon does anything.

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Go to the back of your owners manual and find out how to do a system reset. I had the same problem, on mine I held down the reset button on the remote while manually turning off the tv. The TV went off, then came back on. It's working perfectly again.

Posted on Oct 12, 2009

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Vertical colored bars are a communication problem between the light engine and the q box, You could have a bad lvds cable which is what they communicate through. Unfortunately there are specific diagnostic steps a tech will have to do to determine which one is defective. and the results of the testing are not always absolute. I have had to diagnose this issue before and it requires bringing up video patterns that are located in the light engine micro and the q box micro to help in isolation.

I cannot give you a good estimate on repair because the q box and light engine are extremely expensive. If you are lucky and it is the lvds cable it would not be much to repair around $150 or so.

Posted on Oct 07, 2009

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