Sanyo PDG-DSU30 - Page 34

Condential
4-5
PDG-DSU30
- Adjust Resync or Frequency/Tracking/H. Position/
V. Position to the inner screen.
Inspection item - Eliminate visual wavy noise by Resync,
Frequency or Tracking selection.
- Check if there is noise on the screen.
- Horizontal and vertical position of the video
should be adjustable to the screen frame.
Criteria - 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.
2. Bright Pixel
Procedure - Test equipment: video generator.
- Test signal: analog 800 x 600@60Hz
- Test Pattern: gray 10
Inspection item - Bright pixel check.
Criteria - Bright pixel should be no more than 1 in theshould be no more than 1 in the in the
active zone; 1 pixel is allowed on the frame.
- Ref. Defect specication table
3. Dark Pixel
Procedure - Test equipment: video generator.
- Test signal: analog 800 x 600@60Hz
- Test Pattern: full white
Inspection item - Dead pixels check.
- White pattern (IRE=100)
Criteria - The dark pixel can accept no more than 6 dark
pixels.
- Adjacent pixels are unacceptable.
- Ref. Defect specication table
Full white
Gray 10