Read Sony KDL-40E4500 Service Manual online
– 11 –
KDL-40E4500
RM-GD004W
3.3 Video Problem
Video
problem
All inputs
have
problem?
YES
NO
Analog
Channel
Problem
Problem
?
Digital
Channel
Problem?
HDMI
Problem
?
Check
LVDS harness
Power boards
BGA board
Panel Module
LVDS harness
Power boards
BGA board
Panel Module
NO
NO
Check
BGA board
BGA board
Check
BGA board
BGA board
Check
BGA board
BGA board
YES
YES
YES
NO
Check
BGA board
BGA board
NO
Check
BGA board
BGA board
YES
YES
Back Light
turn on?
OSD
appear?
NO
Check
LVDS harness
LVDS harness
BGA board
Panel Module
Panel Module
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