Acer PD726W Service Manual page 52

No Step
5 Color
Perfor-
mance
6 Screen
Uniformity
Chapter 4
Specification
Should be
compliant with
60%.(Minimum)
Procedure
- Test Signal : 1280x768@60Hz
- Test Pattern : 64 RGBW Scale
Pattern & Gray 16 Pattern
- Please check and ensure if each
color is normal and
distinguishable.
- If not, please adjust color index
of the Engineering Mode.
- Test Signal : 1280x768@60Hz
- Test Pattern : Full White Pattern
& Full Black Pattern
- Please check and ensure
the unit is under the spec.
- Please check and see if it's in
normal conidtion.
- If not, please return the unit to
repair area.
*Please check and see if there
are dead pixels on DMD Chip.
- The total number and distance of
dead pixels should be compliant
with the spec.
Note:
(1) Bright Pixel:
Test Pattern: Full Black
Pattern
- Please check and ensure that
the unit cannot accept any
bright pixel.
- If not, please return the unit to
repair area.
(2) Dark Pixel:
Test Pattern: Full White
Pattern
- Please check and ensure
that the pixel number should
be smaller or amount to 5
pixels.
- If not, please return the unit to
repair area.
Photo
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