Haier HLC19R - Page 59

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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
Abnormal
Display
Abnormal Display
Circuit
Flashing
Bright and dark
display alternately
1. Chip lose action
2. IC ahort or jointiog bad
3. Pannel and vsc connect bad
Failure Mode
Part Name Description Phenomena Failure cause
White
Screen
B/L normal, only
white screen
display
Black
Screen
B/L normal, only
Black screen
display
Maybe caused by surge current and EDS
Circuit
FIIcker Crosstalk
LCD Vcom imbalance