Sanyo PDG-DWL100 Service Manual page 38

Criteria
2. �right Pixel
Procedure
Inspection item
Criteria
3. Dark Pixel
Procedure
Inspection item
Criteria
- Check if there is noise on the screen.
- Horizontal and vertical position of the video
should be adjustable to the screen frame.
- If there is noise on the screen, the product is con-
sidered as failure product.
- If there is noise on the screen, use auto or man-
ual "frequency" function or "tracking" function to
adjust the screen.
- The PC mode functionally sure be workable
include support format with frequency and auto
detected functional will be workable.
- Test equipment: video generator.
- Test signal: analog 1280 x 800@75Hz
- Test Pattern: Gray 10 pattern
- Bright pixel check.
- Bright pixel is unacceptable in the active zone; 1
pixel is allowed on the frame.
- Ref. Defect specification table
Note: The defect criteria follows TI specification.
- Test equipment: video generator.
- Test signal: analog 1280 x 800@75Hz
- Test Pattern: full white
- Dead pixels check.
- White pattern (IRE=100)
- The dark pixel is unacceptable in Zone A under
full white pattern; other area can accept no more
than 6 dark pixels.
- Adjacent pixels are unacceptable.
- Ref. Defect specification table
Note: The defect criteria follows TI specification.
PDG-DWL100 Confidential
Gray 10
Full white
4-5