Adc Calibration - Optoma EX612 Service Manual

6. 3D Test
Procedure
Inspection item
Inspection Distance
Criteria

4-10 ADC Calibration

1. Video Calibration Calibration
Procedure
Check pattern
Inspection item
Criteria
- Test equipment: 1. DVD Player & HQFS format CD
or 2. PC with 3D Graphic card
- Test signal: 1280X720@120Hz (HQFS format CD)
- 3D test
- < 6M
- The image should not appear noise, flicker,
shadow, shocking, abnormal color.
- 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 1 and choose "ADC calibration".
(3) Choose and get into "Video Calibration", press
ter" button to execute "Video Calibration". When the mes-
sage "Success" appears, it means "Video Calibration" is
OK. Choose "Menu" or "Exit" to leave service mode 1.
- Test signal: 576p, 720p, 1080i
- Test pattern: Master
* After finishing Video adjustment, check Master
pattern.
- Color saturation
- There should not have any lack of SMPTE BAR.
- The screen appears normal, it shouldn't appear
any abnormal condition, such as lines and so on.
- It is unacceptable that the color appears
abnormal and flashing.
EX612/EX615
SMPTE BAR
"En-
Master
Confidential
4-11