Video Performance - Optoma ES526 Service Manual

8. Color performance
Procedure
Inspection item
Criteria

4-7 Video Performance

1. CVBS
Procedure
Inspection item
Inspection Distance
Criteria
ES526/EX536/EX531/CB2800/ES526L/EX536L/DS316L
- Test equipment: video generator.
- Test signal: 480p, 720p, 1080p
- Test pattern: Master, 64 gray RGBW or SMPTE bar
* Please refer to 4-2 to get into service mode. Use 720p
& 1080p 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 abnor-
mal condition, such as lines appear on the screen and
so on.
- Color appears normal.
- It is unacceptable to have few lines flashing.
- RGBW should all appear normal on the screen and
sort from R-G-B-W.
- Color levels should be sufficient and normal. (The uni-
dentified color levels on both left and right sides should
not over 8 color levels.)
- Gray level should not have abnormal color or heavy
lines.
- If color appears abnormal, please get into service
mode to do Color Wheel Index adjustment.
- The PC mode functionally sure be workable include
support format with frequency and auto detected func-
tional will be workable.
- Test equipment: DVD player
- Test signal: CVBS
- Video performance test
- 1.8 M ~2.5 M
- Check any abnormal color, line distortion or any noise
on the screen.
Master
64 gray RGBW
SMPTEbar
Motion video
Confidential
4-