Question about Zenith P42W46X 42 in. Plasma EDTV

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Have a large green area in center of screen when tv is on picture is good just have this green glow model e44w46lcd

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  • Zenith Master
  • 19,396 Answers

Hi.

First check if the green hue is affecting also the picture from a DVD (or similar device) connected to the TV. If it does not affect signal from DVD, then it is likely the polarizing filter, which is part of the panel.

Also ensure that the glow is also on top of on screen display menu. The problem should affect on screen display menu.

The problem is either light engine (it includes color wheel), or is the polarizing filter.

Polarizer problem looks like a green or blue (there are two filters) kind of shadow of not well defined shape. Light engine problem is often a bright green hue or spot.

The polarizing filters are part of the LCD panel, and are not sold separately. The panel is too expensive to be purchased alone.

To give you an idea, this is polarizing filter problem:

have a large green area - ginko_7.jpeg

This is light engine:

ginko_37.jpg

Here the light engine. The polarizers are not available for sale:

ZENITH 041000012437 Light Engine w/Color Wheel (No Lamp) - E44W46LCD

Here service manual. Scroll down the page and click GET MANUAL at the right hand side.

Regards.

Ginko.

Posted on Mar 11, 2011

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