Optoma EP716, Service Manual

Page: 33 / 84

4-2
EP719 / EP716 / EP719R / EP716R /
EP719P / EP716P
4-3 Test Display Modes & Pattern
Function Test Display Pattern
Item Test Content Pattern Specification Remark
1 Frequency & Tracking Fine Line Moire
Eliminate visual wavy noise by
Rsync, Frequency or Tracking
selection.
Figure 1
2 Contrast/Brightness 64 RGBW scale
Gray level should be
distinguishable and without color
abnormal.
Figure 2
3
R, G, B and White Color
Performance R, G, B and White
Color
Each R, G, B color should be
normal without color abnormal
issue.
Figure 3~6
4 Screen Uniformity Full White
Should be compliant with
60%.(Minimum)
Figure 6
5
Dead Pixel (Bright pixel) Full Black Cannot accept any bright pixel Figure 7
Dead Pixel (Dark pixel) Full White
The numbers of dead pixel should
be smaller or amount to 6 pixel.
Figure 8
6 Blemish (Bright) Full Black / Gray 30
The bright blemish cannot be
accepted if the problem appear
with Gary 30 pattern.
Figure 7, 8
7 Blemish (Dark) Full white / Blue 60
The dark blemish cannot be
accepted if the problem appear
with Blue 60 pattern.
Figure 6,9
8 Focus Text Pattern
The text in the corner should be
clear after adjust the focus ring.
Figure 10
9 Boundary Boundary Frame
Horz. And Vert. position of video
should be adjustable to be the
screen frame.
Figure 11
10 Light Leak Gray 10
The unit can't accept the leakage is
brighter than Gray 10 pattern
Figure 12
11 HDTV 94% White No discolor Figure 13
12
ADC Calibration
(PC Calibration)
Calibration Pattern
Calibration Pattern should be in full
screen mode
Figure 14