Question about Mitsubishi WD-57731 57" Projection HDTV

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Screen going dark

The TV is starting to loose it's brightness. During the day it is almost impossible to see the TV. Do I need to replace the bulb (And if so how do I do it?) or is it something else?

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Definitely. The lamp often looses oomph before it goes. Think about how long you have had your set. The average life seems to be around 2 years. Eventually your set will indicate the lamp needs replacing, if it hasn't already. I see your posting is about 6 months ago. Are you willing to verify for everyone else?

Posted on Nov 17, 2008

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I just bought a new lamp 3 months ago, and the screen is now very dark. With the brightness all the way up the picture is dark.


Hi,

Your most likely fault is bulb failure. The only way to confirm a weak bulb situation is to replace with a known "good" bulb. Maybe your replacement bulb is not the correct one, or has a problem, like damage from shipping or poor quality to start with. We hear from many users that buy el cheapo bulbs from Internet shopping carts and have failure within 30-90 days. Many shopping carts churn out inferior copies, surplus or rejected products ranging from TV parts to doll clothes and costume jewelry.

Premature lamp failure can also occur with rough use such as:
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You may also have optical engine failure if images on the Sony Optical Engine Fault Gallery appear with the dim picture.

easyab@hotmail.com

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What you need is the owners manual my friend. In here it will show you where to get to the lamp and how to change the lamp. Go to http://esupport.sony.com/US/perl/model-documents.pl?mdl=KDF55WF655&LOC=3
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