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Shadowing
No
Noisy
(1) VGA cable quality
bad
(2) Power(3.3V/2.5V)
have big noise
ViewSonic Corporation
Picture Abnormal but Stable & size correct
No
Yes
Check VGA cable
(1)Too long?
(2)Quality no good?
Measure R/G/B input
use block pattern
C
Color absent
or wrong color
Use 256 gray scale with
R/G/B white
Segment for
specific color
Use 32 or 64 gray scale
Noise at certain scale for
more than one color
LVDS O/P short or open
Confidential - Do Not Copy
12
Yes
Yes
No
Scaler O/P or LVDS
I/P short or open
VG510b/s
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