21
W2300
Failure Mode of LCD Panel
Failure description
Phenomenon
Vertical dim lines
Vertical block defect
)
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
.
.
.
.
..
.
.
.
.
..
Bright pixel
Dark pixel
..
.
.
.
.
Polarizer has bubbles
Polarizer has bubbles
Foreign material inside
polarizer. It shows linear or
dot shape.
.
.
.
.
Concentric circle formed
Bottom back light of LCD is
brighter than normal
Backlight un-uniformity
Backlight has foreign material.
Black or white color, linear or
circular type
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
or backlight tubes.
Summary of Contents for Dell W2300
Page 24: ...Wiring Diagram 24 W2300 Go to cover page ...
Page 64: ...Scaler PCB C B A 1 64 W2300 9 Go to cover page ...
Page 65: ...Scaler PCB C B A 2 65 9 Go to cover page W2300 ...
Page 66: ...Audio PCB C B A 66 W2300 9 Go to cover page ...
Page 67: ...TV Box PCB C B A 67 9 Go to cover page W2300 ...
Page 68: ...Power Circuit Diagram 68 W2300 9 Go to cover page ...