Panel Failure - Haier HL42T Service Manual

10.3 Panel failure

Failure Mode
Part Name Description
V B/D Vertical bar
Virtal
V Dim
line
Vertical color
V L/D line(light
TCP
dark forever)
Horizontal
H B/D
bar
Horizontal
H Dim
gary line
Horizontal
H L/D line(light
dark forever)
Failure Mode
Part Name
Dot Defect
Panel or
Polarizer
Polarlzer
Bubble
Polarizer
Scratch
F/M inside
Polarizer
Phenomena
gray
or
or
Description
Bright dot dark
dot in panel
Bladder in
Polarizer
Polarizer Scratch
Eyewinker inside
Polarizer
Failure cause
Block Defect :TCP cracking or cracking
Dim or L/D :TCP Sunken
:TCP lead cracking
:ACF bonding short
:Awful environment and something electric enter into
LCD
:Mis-align between TCP and Panel
:Panel failure
:TCP failure
Phenomena
Incoming Inspection Standard
Bladder between Polarizer and top glass
Tine or rigidity arose
Eyewinker inside Polarizer
51
Failure cause