Read Sony KDL-70R520A Service Manual online
KDL-70R520A 10
SECTION 2 - TROUBLESHOOTING
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 20
.
NO VIDEO FLOWCHART
No Video
Backlights
turned on?
Unplug LVDS
connector at
TCON while unit
is running. This
may need to be
done more than
once.
Any flashes
seen on
screen?
Yes
No
Any OSD
graphics
present?
No
Main Board*
No
LCD Panel*
Yes
Yes
Main Board*
LCD Panel*
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