Calibration - Optoma EP1080 Service Manual

7. Color performance
Procedure
Inspection item
Criteria

4-7 Calibration

1. Video calibration
Procedure
- Test equipment: video generator.
- Test signal: DVI 480p,1080i
- Test Pattern: Master, In focus II or SMPTE
RP-133
* Please refer to 4-2 to get into service mode. Use
480p &1080i signal, master pattern to do HDTV
test. Color cannot discolor to purple and blue.
- Check if each color level is well-functioned.
- Color saturation
- Screen appears normal. It should not have any
abnormal condition, such as lines appear on the
screen and so on.
- Color appears normal.
- It is acceptable to have few lines flashing at the
center and on the edge of 1080i image. However,
rest of the image should appears stable.
- RGBW should all appear normal on the screen
and sort from R -G-B-W.
- Color levels should be sufficient and normal. (the
unidentified color levels on both left and right
sides should not over 8 color levels.)
- Gray level should not have abnormal color or
heavy lines.
- The PC mode functionally sure be workable
include support format with frequency and auto
detected functional will be workable
- Test equipment: video generator.
- Once scalar board is changed, Video calibration
should be done as well.
(1) Test signal: 720P
EP1080 Series Confidential
Master
InFocus II
/ 64 gray RGBW
SMPTE RP-133
4-6