Failure Mode Of Panel - Philips 223V5LSB/00 Service Manual

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
Vertical block defect
Vertical dim lines
Vertical lines
defect(Always bright
or dark)
Horizontal block defect
Horizontal dim lines
Horizontal lines defect
(Always bright or dark)
Has bright or dark
pixel
Phenomenon
polarizer. It shows liner or
Concentric circle formed
Bottom back light of LCD
color, liner or circular type
Failure description
Polarizer has bubbles
Polarizer has bubbles
Foreign material inside
dot shape.
is brighter than normal
Back light un-uniformity
Backlight has foreign
material.Black or white
Meridian 2 19
CC170C
W8 LCD
C
C
Phenomenon