LG 65UM6900PUA Service Manual page 51

Appendix. Examples of Symptoms(Module)
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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