Haier HL32R1 - R-Series - 31.5" LCD TV, Service Manual, Page: 53 / 55

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