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Since a projector is made primarily from electrical components ic's/resistors/caps/etc. Each of these components has a particular value. Each of these components also has a acceptable toloerance(5%-10% whatever). . Suppose you have one projector where nearly every electrical component is very close to its stated value,and another pj whose components are all within tolerance but farther from its stated value. Shouldnt the first pj display a better image?(assuming all other variables remain the same source mat'l, same cables, same screen,etc.) My question is do you think this may be why some folks see certain problems with there unit and others dont?
 

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This is true of nearly everything that relies on tight manufacturing tolerances. Some camera lenses resolve and focus better than others. Some car engines make a bit more power than others. This is certainly true of projectors as well. Some examples are going to have better alignment than others. Some lenses are going to be slightly better or worse. Some LCD panels will exhibit more dead pixels or fixed pixel noise. So yeah, sometimes when someone is complaining about a certain projector, the complaint only applies to his particular one.
 
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