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F/M
Failure Mode
Part
Name
Light
leakage
Mechanlcal
Uniformity
or B/L
Mount hole
F/M in B/L ,white,
back Rotundity or
wire like
Description
Brightness
at
bottom of LCM
brighter
than
normal
B/L brightness
asymmetric
Lack screw or
screw damage
F/M in B/L unit
Phenomena
B/L unit badness
Sheet in B/L unit is uneven
*Lack screw
Screw damage
55
Failure cause
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