Pannel Failure - Haier HL42XR1 Service Manual

9-4. Pannel failure
Failure Mode
Part
TCP
Name
V B/D
V Dim
V L/D
H B/D
H Dim
H L/D
Description
Vertical bar
Vertat gray
line
Vertical color
line(light or
dark forever)
Horizontal
bar
Horizontal
gary line
Horizontal
line(light or
dark forever)
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
(C)
ACF bnding _nd P_
Failure Mode
Part Name Description Phenomena Failure cause
Panel or
Polarizer
Dot Defect
Polarizer
Bubble
Polarizer
Scratch
F/M inside
Polarizer
Bright dot dark
dot in pannel
Bladder in
Polarizer
Polarizer Scratch
Eyewinker inside
Polarizer
D_k
Dot
Incoming Inspection Standard
Bladder between Polarizer and top glass
Tine or rigidity arose
Eyewinker inside Polarizer
Abnormal 1 .Chip lose action
Circuit Abnormal Display
Display 2.1C ahort or jointiog bad
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