EP770
Confidential
4-4
No Step
Specification Procedure
Photo
3
Focus
The text in the
corner should
be clear after
adjust the focus
ring.
- Test Signal :
1024x768@60Hz
- Test Pattern : Ful-xga
- Adjust the center
clearly; meanwhile,
one slightly vague
corner in the image is
allowed.
4
HDTV
No discolor
- Test Signal : 720p,
1080i
- Test Pattern : Master
- Equipment: Quantum
Data 802B or
CHROMA2327
*Please refer to
page 4~7 to enter
Service Mode. Use
720P&1080i signal,
Master pattern to do
HDTV test. Color can
-
not discolor to purple
and blue. If the line
disclors, it’s normal.
If the test result was in
discoloration or flicker
-
ing, please return the
unit back to the repair
center.
5
Color
Performance
- Test Signal :
1024x768@60Hz
- Test Pattern : PANA-
ICON Pattern & 64
GRAYS RGBW
- Please check and
ensure if each color is
normal and distin
-
guishable.
- If not, please adjust
color index of the
Engineering Mode.
- Fix OSD to re-sync or
track Frenquency.