Optical Performance - Optoma HD83 Service Manual

Inspection item
Criteria

8. Optical Performance

Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 1.�8M
- Screen Size: 60 inches diagonal
a. Test equipment
Procedure
- Test Pattern: Master, 64 gray RGBW
Please 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
abnormal 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
unidentified color levels on both left and right
sides should not over 4 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.
- Please get into OSD menu, select "Lamp Setting"
under "System", press "Enter" button, then select
"Bright" mode.
- Test equipment: video generator.
Confidential
HD83
64 gray RGBW
Motion video
4-5