TV

Main PCB Replacement

(Mandatory Settings)

Click on the Steps below to jump directly to that section:

Step 1
1
How to Change Tool Option
Step 2
2
Troubleshooting (Only Needed if TV Screen Displays White Pattern)

Any time the Main PCB is replaced the below steps must be performed. Failure to do this could lead to several issues such as Wrong Country Code, Wi-Fi Not Working, Magic Remote Will Not Pair, ARC will not work properly, etc.

Step 1

1) Tool Option Download

For North America TV Models you can download the software needed for your USB drive by clicking the button below:

North America LG_SVC_DTV Files (Updated Feb 2024)

2) Unzip ToolOption Data

3) Connect the USB (Tool Option Data)

4) Input ” Model name.suffix” and “Serial Number”

5) Press IN STOP then Select “Yes”

Step 2

1) In Case of the TV screen display white pattern, press “EXIT key”. 

2) If suffix has 6 digits, replace the 7th character with a blank( “–”→ “  “)