Calibration - Sanyo PDG-DSU30 Service Manual

4-9 Calibration

1. PC Calibration
Procedure
Inspection item
Criteria
2. Video Calibration
Procedure
- Test equipment: video generator
- Once Main Board is changed, PC calibration
should be done as well.
(1) Test signal: 800 x 600@60Hz
(2) Test Pattern: White/Black
- Note
(1) Calibration pattern should be in full screen mode.
(2) Please refer to 4-2 Guide to get into service
mode, then get into "ADC/DEC color", and choose
"PC Calibration".
- Check if there is lines on the screen.
- 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
considered as failure product.
- The screen appears normal, it shouldn't appear
any abnormal condition, such as lines and so on.
- Check if the projection is same as monitor diplayed.
- Test equipment: video generator.
- Once main board is changed, Video calibration
should be done as well.
(1) Test signal: 480i
(2) Test Pattern: SMPTE BAR
- Note
(1) Calibration pattern should be in full screen mode.
(2) Please refer to 4-2 Guide to get into Service Mode
select ''ADC/DEC color'', and choose "Video
Calibration".
PDG-DSU30 Confidential
White/Black
SMPTE BAR
4-9