Acer X1161 Service Manual page 56

Inspection item
Criteria
3. Dead Pixel (Bright pixel)
Procedure
Inspection item
Criteria
4. Dead Pixel (Dark pixel)
Procedure
Inspection item
- Test signal: analog 1024 x 768 @60Hz
- Test pattern: Full black, Gray 10
- Check if the light leaks.
* Light leak on reflective edge, eye-catcher, bond
wires and exposed metal.
- Light leak check.
- Bright blemish (dirty).
- The pattern cannot accept the color level of the
leakage is brighter than full black pattern.
- Using full black pattern, the light leak is acceptable
when it appears out of the zone C.
- The light leak appears in the zone C within the
frame of full black pattern, please use gray 10
pattern to judge it.
- The pattern cannot accept the color level of
the ineffective leakage is brighter than gray
10 pattern.
Note: The defect criteria follows TI specification.
- Test equipment: video generator
- Test signal: analog 1024 x 768 @60Hz
- Test pattern: Full black
- Bright pixel check.
- Bright pixel is unacceptable when it appears on
zone A and zone B.
- It is acceptable when it has 1 bright pixel on the
frame of full black pattern.
- Ref. Defect specification table
Note: The defect criteria follows TI specification.
- Test equipment: video generator
- Test signal: analog 1024 x 768 @60Hz
- Test pattern: Full white
- Dead pixels check.
X1161/X1261 Confidential
Full black
Gray 10
Full black
Full white
4-5