4-4
EP750
Confidential
No
Step
Specification
Procedure
Photo
6
Screen
Uniformity
Should be
compliant with
60%.(Minimum)
- Test Signal :
1024x768@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.
7
Light Leak
The unit can’t
accept the leak
-
age is brighter
then Gary 10
pattern
- Test Signal :
1024x768@60Hz
- Test Pattern : Gray 10
Pattern
- Please check and see if
the light leaks
*Note
- The unit cannot accept
the leakage is brighter
than Gray 10 Pattern
Note:
Light leak on reflective
edge, eyecatcher, bond
wires and exposed metal.
8
Calibra-
tion
Calibration Pat
-
tern should be in
full screen mode
- Once Main Board is
changed, Video Calibration
& PC Calibration should be
done as well.
- Video Calibration
