Sony KE-42M1 Service Manual page 26

Symptom Defect Cause / Description
Combined cells: Multiple cells
combined from side to side, or up and
Combined down.
cells/Dark dots Dark dots: A cell not lighting by
receiving signals due to a foreign
material or bubble, or abnormal ITO.
Bright dots: A cell lighting
abnormally due to a foreign material or
Bright dots
bubble, color mixture or blur of
phosphor, or rib barrier OPEN.
Phosphor blur: Rib barrier OPEN, or
Phosphor blur
a cell invaded by another cell.
Phosphor color mixture: A cell with
Phosphor dried particles given from another cell,
color mixture or a cell unable to display original color
due to mask hole.
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