I purchased a QLED Q70T in late 2020. Today it started making a high pitches noise/alarm and also smells like burning plastic. I've unplugged the TV but don't see anything specific to these two issues in the user manual to know what to do now.
@D_W: I'm sorry to hear that you have experienced this issue. We take matters such as this very seriously, and I would like arrange to pass your details on to the relevant department, who will be in touch to provide further support. With this in mind, please send a private message to Sam_UK by following the steps in the link below, and include details of your query, and myself or one of the other moderators will be able to get this arranged for you.