Haier HL32K, Service Manual

Page: 52 / 54

52
V L/D
Vertical color
line(light or
dark forever)
H B/D
Horizontal
bar
H Dim
Horizontal
gary line
H L/D
Horizontal
line(light or
dark forever)
: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 panel
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
Abnormal
Display
Abnormal Display
Circuit
Flashing
Bright and dark
display alternately
1. Chip lose action
2. IC Abort or jointing bad
3. Panel and VSC connect bad
Failure Mode
Part Name Description Phenomena Failure cause
Circuit
White
Screen
B/L normal, only
white screen
display
Maybe caused by surge current and EDS