LG OLED77G3 Series - Page 56

Appendix. Examples of Symptoms(Main)
Check parts by symptom
A - 3/10
Item
Symptom
Name
Cause Symptom Image
Main Screen noise Bit noise from horizontal screen
Main Screen noise
Broken screen due to
Main IC problem
Main Dark picture Dark left-side screen
Main Broken picture
Top/bottom screen part
Picture problem due to tuner
Inner side quality problem
Copyright © 2023 LG Electronics Inc. All rights reserved.
Only for training and service purposes.