Optoma EP780 Service Manual page 37

No Step
4 HDTV
5 Color
Performance
6 Screen Uni-
formity
Confidential
All manuals and user guides at all-guides.com
Specification
No discolor - Test Signal : 480P,
- Test Pattern : Master
- Equipment: Quantum
*Please refer to page
4-1 to enter Service
Mode. Use 480P
signal, smtpebar pat-
tern to do video calibra-
tion; then, 4:3 screen
and 1080i signal. If
the test result was in
discoloration or flicker-
ing, please return the
unit back to the repair
center.
No image - Test Signal :
(discolor)
- Test Pattern : 64
- Please check and
guishable.
- If not, please adjust
Should be - Test Signal :
compliant with
60%.(Minimum) - Test Pattern : Full
- Please check and
- Please check and see
Procedure
720P, 1080i
Data 802B or
CHROMA2327
1024x768@60Hz
RGBW Scale Pattern
& 32 Grays Pattern
ensure if each color is
normal and distin-
color index of the
Engineering Mode.
1024x768@60Hz
White Pattern & Full
Black Pattern
ensure the unit is
under the spec.
if it's in normal conid-
tion.
4-3
Photo
EP780