
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 43
SECTION 5 - FLOW CHARTS AND DIAGRAMS
Missing or
Distorted Video
Is
Video Missing or
Distorted on
All
Inputs
?
No
Yes
No
Can
User Menu
be
Displayed?
No
Is
Video
Missing
or
Distorted
?
Missing
Distorted
Is
Single Pixels
or
Complete Line
of Pixels
missing?
Yes
No
Yes
Is
Distortion
Present in
User Menu
OSD?
No
Yes
Is
External Device
& connection
OK?
Repair External
Device
Check
External Device
and Connections
Swap Devices and
connections
Skew (or Rock) the LVDS
connector from its socket
at the TCON Brd.
Are Flashes
of color
displayed?
Yes
No
Check LVDS cable
for Physical Damage
Yes
Sharp Horizontal
or Vertical Lines
Cable OK
Does
Distortion follow
picture size
when changing
WIDE mode?
Perform WIDE Mode Test
No
Yes
NG
FIGURE 5-5. NO VIDEO FLOWCHART
Summary of Contents for Bravia KDL-40EX520
Page 114: ......