Acer PD311 Service Manual page 49
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- User manual (45 pages) ,
- Quick start manual (4 pages) ,
- Brochure (6 pages)
Table of Contents
No
Step
7
Screen
Uniformity
8
Light Leak
9
Dead
Pixel (Bright
pixel)
Dead Pixel
(Dark pixel)
43
Specification
Should be
compliant with
60%.(Minimum)
The unit can't ac-
cept the leakage
is brighter than
Gray 10 pattern
Cannot accept
any bright pixel
The numbers of
dead pixel should
be smaller or
amount to 6 pixel.
Procedure
- Test Signal :
1024x768@60Hz
- Test Pattern : Full White Pat-
tern & 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 dis-
tance of dead pixels should be
compliant with the spec.
- Test Signal :
800x600@75Hz (PD311)
1024x768@60Hz (PD323)
- Test Pattern : 32 Grays, Gray
10, Gray 30
(From Top to Bottom)
- Please check and see if the
light leaks.
-
Follow up TI DMD Chip Spec.
- Test Pattern : Full Black
- Test Pattern : Full White
Photo
Chapter 4
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