Acer K130 - Page 51

Condential
4-3
K130
performed.
- If not, re-adjust by the following steps:
(1) Select “Frequency” function to adjust the total
pixel number of pixel clock in one line period.
(2) Select “Tracking” function and use right or left
arrow key to adjust the value to minimize video
icker.
- 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
considered as failure product.
- If there is noise on the screen, use auto or manual
“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 :1280*800@60Hz
- Test Pattern: Full black
Inspection item - Bright pixel check
Criteria - Adjacent pixels are unacceptable.
- If there is blemish on full black pattern,
please use gray 10 pattern to judge it.
- Ref. Pixel specication table
Full Black