Acer P5270 - XGA DLP Projector Service Manual page 71

No Step
3 Focus
4 HDTV
5 Color
Performance
Confidential
Specification
The text in the
corner should
be clear after
adjust the focus
ring.
No discolor
Procedure
- Test Signal :
1024x768@60Hz
- Test Pattern : Ful-xga
- Adjust the center
clearly; meanwhile,
one slightly vague
corner in the image is
allowed.
- Test Signal : 720p,
1080i
- Test Pattern : Master
- Equipment: Quantum
Data 802B or
CHROMA2327
Use 720P&1080i
signal, 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.
- 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.
4-5
Photo
P5270/P5270 Refresh