Read Sony KDL-39R475A / KDL-42R474A / KDL-42R475A / KDL-46R475A Service Manual online
KDL-39R475A/42R474A/42R475A/46R475A 12
SECTION 2 - TROUBLESHOOTING
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*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 19
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VIDEO DISTORTION FLOWCHART
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper of
missing colors?
Yes
Main Board
No
Vertical lines
or bars?
No
Yes
Lines move
when wide-mode
changed?
Yes
No
LCD Panel
Main Board
LCD Panel
Any single or
isolated vertical
lines?
Yes
LCD Panel
More than 1
vertical band?
No
Yes
LCD Panel
Uneven
brightness?
LCD Panel
Yes
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