Read Sony KDL-42W650A Service Manual online
KDL-42W650A 11
SECTION 2 - TROUBLESHOOTING
VIDEO DISTORTION FLOWCHART
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper or
missing
colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines
move when
wide-mode
changed?
Yes
No
TCON*
(LCD Panel)
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
TCON*
(LCD Panel)
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
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