Optical Performance Measure - Optoma ES526 Service Manual

Inspection item
Inspection Distance
Criteria

4-8 Optical Performance Measure

Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.4 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure
2. Brightness
Procedure
ES526/EX536/EX531/CB2800/ES526L/EX536L/DS316L
- Audio performance test
- 1.8 M ~2.5 M
- Check the sound from speakers
- Plug Audio cable into Audio In port, check if "Volume"
is normal.
- Plug Audio cable into Audio Out port, check if the out
board speaker's "Volume" is normal.
- Adjust the volume to maximum by using the remote
controller.
- Check the sound from speakers.
- Check if the "mute" is normal.
- Connect VGA IN port of ES526/CB2800/ES526L
(VGA1-IN/SCART port of EX536/EX531/EX536L) with
VGA port of Chroma by VGA cable, press "Menu" button,
get into OSD mode, the settings are as below:
- "Display mode" is "Presentation", "Brightness" is "50",
"Contrast" is "60", and the "Format" is "4:3".
- Please do the Optical Performance Measure.
- Full white pattern
- Use CL100 to measure brightness values of
P1~P9.
Confidential
4-11