Question about NEC HT1100 Multimedia Projector

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Hi, my NEC HT 1100 shows following problem. After starting, there are two horizontal black and white stripes moving from the top to the bottom of the screen. They stay for hours then they disappear. What`s the problem? Greatings, Thomas

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Dried out capacitors that conduct electricity very poorly when cool will begin to work normally for a time when over heated, lenses and display components that are warped may also regain a workable shape when hot. It's very common for integrated circuits, etc. damaged by heat or electrical surge to show symptoms cool that don't manifest when the device gets hot. But they are indicators of an imminent failure.

Most likely the 3LCD component that generates the picture or the integrated electronics themselves have been damaged. This can happen over time from heat for example if the air filter doesn't get changed or from a power surge.

Posted on Jun 04, 2010

Testimonial: "Hallo, thank you for quick answer. Some things you said I got in mind too. Unfortunatly there is just the way to get an official repair. I got offers from 90,-- ? to 900,-- ? to repair it. Its too much for me. I`ll use the HT 1100 till he dies. Greetings, Thomas"

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Posted on Jan 02, 2017

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