Archived from groups: alt.games.video.nintendo.gameboy.advance (
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> I disagree here - dead pixels are a big problem in the manufacture of CCDs
> for digital cameras yet most companies are able to pull the majority of
bad
> ones prior to sale.
>
> The fact that I had to go through 4 DS to get 2 good ones is a bad sign -
50
> : 50 on defective units is not good. Also the fact that many folks may not
> notice or know enough to return a unit with a bad pixel and still seeing
the
> number of posts from folks with this issue screams : LACK OF QUALITY
> CONTROL....
If large LCD's were quality controlled to ensure 100 percent against having
any dead pixels, the cost would increase 500 percent. Most manufacturers
have a given number of allowed dead/hot pixels before they will do a
replacement. My laptop has developed 3 or 4 dead pixels within a year and a
half, fortunetly they are single dead pixels (quite hard to notice) and
located near the corners of the screen.
That said, I do agree that handheld LCD's should be held to a slightly
higher quality control than large LCD's. They don't need to be pulled for
one or two dead pixels (if they are grouped together in the center of the
screen), but perhaps for clusters and even worse, glass dust. It seemed
with the GBA SP, glass dust under the screen was more of a problem than dead
pixels. (My first SP, that I returned, had a large shard of glass --
overlapping at least six pixels in the screen's center.) I guess it was a
manufacturing thing and not the cleanest environment when the SP was put
together.