Philips 273E3LSW/93, Руководство по обслуживанию

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Black Dot Defects Black dot defects appear as pixels
or sub pixels that are always dark or ‘off’. That is, a
dark dot is a sub-pixel that stands out on the screen
when the monitor displays a light pattern. There are
two types of black dot defects:
Proximity of Pixel Defects
Because pixel and sub pixels defects of the same type
that are near to one another may be more noticeable,
Philips also specifies tolerances for the proximity of
pixel defects.
Pixel Defect Tolerances
In order to qualify for repair or replacement due to pixel
defects during the warranty period, a TFT Monitor
panel in a Philips flat panel monitor must have pixel or
sub pixel defects exceeding the tolerances listed in the
following tables.
Note:
1. 1 or 2 adjacent sub pixel defects = 1 dot defect
2. This monitor is ISO 9241-307 compliant.( ISO9241-307 : Ergonomic requirement, analysis and compliance test
methods for electronic visual displays)