Optical Performance Measure - Sanyo PDG-DWL100 Service Manual

4-10 Optical Performance Measure

Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 0.66 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure
2. �rightness
Procedure
Criteria
3. Full On/Full Off Contrast
Procedure
- Please get into OSD menu,Select "Bright" mode
under "Image". ". .
- Test equipment: video generator.
- Test signal: analog 1280 x 800@60Hz
- 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)*1.0m Avg. (P1~P9)*1.0m
• 1150 ANSI lumen
- Full white pattern & Full black pattern
- Use CL100 to measure brightness values of full
white pattern P5 & full black pattern B5 ( see
image: full white)
- Follow Contrast formula to calculate contrast values.
☼ Contrast Formula
P5/B5
Note: P5 = Lux of center in full white pattern
B5 = Lux of center in full black pattern
2
PDG-DWL100
" mode mode
Full white pattern
Full black pattern
Confidential
4-10