White Noise - LG 55QNED81SRA Service Manual

Standard Repair Process Detail Technical Manual
symptom
Content
Check the items after replacing the Main Board(Model, Serial Number, Tool option D/L )
1. Tool Option Data
1) Need to copy "Tool Option Data" to USB(Storage device)
Download Path : GSCS → Manual → TV option Tool
1
2
3) Insert the USB(Tool option data)
※ You can select the menu in the white noise state
Back key(long press – 3sec)
Error
Check items after Main B/D replacement

White Noise

E. Etc
2) Unzip the file(USB Device) "LG_SVC_DTV.zip"
4) Check the SVC Mainboard Setting Menu
Key in the model name and serial number
after checking the ID label on the back cover.
A19
Established
date
Revised
date
5) IN STOP(service remote)  YES
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Only for training and service purposes.
A19