LG 55UJ634 Series Service Manual page 61

Chassis ub74p
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Appendix. Examples of Symptoms(Image error)
Check for poor cable contact
Symptom
Item
Cause
Symptom Image
Name
Pin 단선
Poor broken pin of FFC cable
CABLE
Color smear
Color is Excessive due to FFC Cable
CABLE
R Color Excessive
Contact.
screen is dark due to poor contact due
CABLE
Screen darkness
to disconnection of the FFC cable pin.
G color transient due to poor FFC cable
CABLE
G Color Excessive
connection
A - 1/11

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