LG 55QNED85SQA Service Manual page 90

CIC Guide
Title My OLED TV suddenly turns on and off by itself.
Product type TV
My OLED TV
suddenly turns on
Category
and off by itself
■ Inquiry: My TV in the living room suddenly turns on and off by itself and the screen goes black when watching TV.
Inquiry &
■ Reason: The screen of the Sender TV is off during room-to-room mirroring.
Reason
When the receiver TV is off, it may look like the TV turns on and off by itself because the power must be ON first.
1) When the receiver TV is off, it may look like the TV turns on and off by itself because the power must be ON first.
Caution &
2) By turning off the 'Turn on the TV using Wi-Fi' function, the TV won't turn off suddenly. However, when the TV is off, you can't receive
Explanation
the screen from other TVs.
■ Please don't be surprised. The TV turns on to do screen mirroring with other TVs in the house.
After the TV turns on, a message indicating that other TVs in the house will do screen mirroring the TV will be displayed.
If you don't want to send the screen, click 'Cancel' in the below message to stop the mirroring.
{Receiver TV} would like to receive the screen.
To send the TV screen, the screen will turn off in a
Customer
moment.
Service
Guide
■ If you don't want other TVs in the house to turn on the TV, please turn OFF the 'Turn on the TV using Wi-Fi' function.
Settings-> All settings -> General-> Managing TV and external device-> External device settings-> Turn on the TV using mobile device->
Turn on the TV using Wi-Fi : OFF
※ When [Turn on the TV using Wi-Fi] is OFF, there may be restrictions on other functions.
-Turning on the TV on ThinQ App / AirPlay / Youtube, etc
All
Product Model
Inquiry
All webOS TV models
launched before 2022
My TV in the living room suddenly turns on and off by itself.
1) My TV in the living room suddenly turns on and off by itself and the screen goes black when watching TV.
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