Optoma GT750, Руководство по обслуживанию

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Confidential
4-5 GT750
- 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.
8. Optical Performance
Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 0.8M
- Screen Size: 60 inches diagonal
a. Measure setting
Procedure - Please get into OSD menu, select “Lamp Setting”
under “Options”, press “Enter” button, then select
“Bright” of “Bright mode”.
- Press “Power→ Left→ Left→ Menu” to get into
service mode.
- Test equipment:Select “Spoke Test”
b. Brightness
Procedure - Full white pattern
- Use CL100 to measure brightness values of
P1~P9.
- Follow the brightness formula to calculate
brightness values.
☼ Brightness Formula
Avg. (P1~P9)*1.1m
2
Full white pattern
64 gray RGBW