Question about Mitsubishi WS-65313 65" Rear Projection HDTV
I've a 5 yr old 65 in Mitsubishi WS-65313. It is starting to show the burn-in lines on the sides due to 4:3 (black bars). I'm not an expert. Is the burn-in on the screen itself (vs. lamps)? Is it the diamond-shield, screen-lenticular or the lens-freshnel the part that is burnt (i.e. the phosphorous) piece? Any points will be appreciated. If I buy the part is it ''simple enough'' to replace it myself? or is it better to have an expert do that work? Thanks in advance!!
IF you have the area on either side of the picture used in the 4x3 burned---it is now burnt into the phosphor of all three picture tubes this set uses.
The real problem here is most of these sets the default setting for contrast or "picture" (same thing) is 100% and this is what burns fixed images into the tubes.
Pretty stupid, but that is how they are made--the black background in later models was replaced with a light gray one to try to prevent this.
If you do not have a warranty live with it--the cost of the three tubes would be about 900 dollars plus labor to replace them and adjust the set.
It takes less than 100 hours of use with the 4x3 up to cause this kind of problem, just like putting a fixed image on any projection set with full contrast and brightness set full--the damage is permanent.
I have replaced tubes in sets like this and when you get the tube out you can see the BURN in the phosphor.
I am sorry to give you bad news but based on your description this is what you have.
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Posted on Dec 13, 2009
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