Video Distortion Flowchart G - Sony KDL-26S3000 Training Manual

Wax3 direct-view lcd television chassis circuit description and troubleshooting guide
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Video Distortion Flowchart G

G
Distorted
Picture
Stationary lines
Yes
or spots
No
Yes
All input
sources?
No
Yes
Front inputs ?
No
Done
CTV-41
Single colored
vertical line?
Yes
LCD Panel
Check LVDS connector
from BU1 Board to LCD
Panel. If OK replace BU1
Board
U1 Board (S Models )
U2 Board (XBR Models)
Multiple colored
No
lines evenly
spaced?
Yes
LVDS
Connectors from
BU1 Board to
Panel OK ?
Yes
LCD Panel
Chapter 2 - Service and Troubleshooting
No
No
Pixel stuck on
or off
Yes
Pixel Failure . Contact
Technical Support for
assistance
No
LVDS Cable
Done
50

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