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Polarizer
Scratch
F/M
inside
Polarizer
Abnormal
Display
Circuit
Flashing
Failure Mode
Part
Name
White
Screen
Black
Screen
Circuit
FIIcker
Abnormal
Color
Abnormal
Color
Polarizer Scratch
Eyewinker inside
Polarizer
Abnormal Display
Bright and dark
display alternately
Description
Phenomena
B/L normal, only
white
screen
display
B/L normal, only
Black
screen
display
Crosstalk
Only
color
abormal
Only
color
abnormal
Tine or rigidity arose
Eyewinker inside Polarizer
1. Chip lose action
2. IC ahort or jointiog bad
3. Pannel and vsc connect bad
Maybe caused by surge current and EDS
LCD Vcom imbalance
Capacitance improper bring crosstalk inside LCD
pannel
1. Chip lose action
2. IC short or jointion bad
3. Pannel and vsc connect bad
44
Failure cause
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