Philips 223V5LSB/00 - Failure Mode Of Panel

19
Meridian 2
CC170C
W8 LCD
C
C
4.4 Failure Mode Of Panel
Quick reference for failure mode of LCD panel
this page presents problems that could be made by LCD panel.It is not necessary to repair circuit board. Simply
follow the mechanical instruction on this manual to eliminate failure by replace LCD panel.
Failure description
Phenomenon
Failure description
Phenomenon
Vertical block defect
Polarizer has bubbles
Vertical dim lines
Polarizer has bubbles
Vertical lines
defect(Always bright
or dark)
Foreign material inside
polarizer. It shows liner or
dot shape.
Horizontal block defect
Concentric circle formed
Horizontal dim lines
Bottom back light of LCD
is brighter than normal
Horizontal lines defect
(Always bright or dark)
Back light un-uniformity
Has bright or dark
pixel
Backlight has foreign
material.Black or white
color, liner or circular type