LG 55QNED81SRA Service Manual page 53

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Appendix. Examples of Symptoms(Module) #6
Symptom
Item
Name
Isometric
MODULE
Horizontal Bar
MODULE
Internal matter
MODULE
Image broken
MODULE
Image broken
Cause
Isometric horizontal bars occur
throughout the screen
BLU internal foreign matter inflow
6 block image broken
Screen sync signal broken
A - 6/11
Check parts by symptom
Symptom Image
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