Optoma HD72 Serivce Manual page 33

No Step
Screen
Uniformity
6
Dead Pixel
(Bright
pixel)
7
Dead
Pixel (Dark
pixel)
Blemish
(Bright)
8
Blemish
(Dark)
9
Specification
Should be
compliant with
60%.(Minimum)
Cannot accept
any bright pixel
The numbers
of dead pixel
should be small-
er or amount to 6
pixel.
The bright blem-
ish cannot be
accepted if the
problem appear
with Gary 10 pat-
tern
The dark blem-
ish cannot be
accepted if the
problem appear
with Blue 60 pat-
tern.
Procedure
- 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.
Note:
The procedure needed to
be inspected only when
customers complaint about
it.
- Test Pattern : Full Black
- Test Pattern : Full White
- Test Pattern :
Gray 10
- Test Pattern :
Blue 60
4-4
Photo
HD72