Optoma EP719H, Руководство по обслуживанию

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4-3
EP79H
Confidential
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 : Full
Screen
- 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 4-2 to
enter Service Mode.
Use 720P&1080i sig -
nal, Master pattern to
do HDTV test. Color
cannot discolor to pur -
ple 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
distinguishable.
- If not, please adjust
color index of the
Engineering Mode.
- Fix OSD to re-sync or
track Frenquency.