“Static and buzzing usually during cinema mode. Tried everything. Used hdmi arc or optical cable. How to fix this?”
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Make sure your speaker wires are positive to positive. The instructions also tell you which speakers to install first, second, third...etc.
Sorry, there was a problem. Please try again later.Thank you for your interest in the LG S75QR 5.1.2 ch High Res Audio Sound Bar with Dolby Atmos and Surround Speakers (S75QR) model. If you are experiencing static and buzzing issues, especially during cinema mode, with your LG S75QR soundbar, there could be a few reasons why. Here are some possible solutions: 1. High-pitched squeal during certain content and cinema mode: Some users have reported a high-pitched noise when playing specific content at higher volumes. This might be a problem with the soundbar model and how it works with certain content. Unfortunately, we couldn't find a specific solution for this issue. 2. Connection problems and faulty cords: If you hear buzzing noises, it could be due to connection problems caused by defective cords or hardware issues. We recommend unplugging and cleaning all the cords carefully, then plugging them back in again. You can also try using a different compatible wire, like HDMI, to see if the buzzing noise is caused by a faulty wire. 3. Frequency interference from other devices: Buzzing noises can be caused by interference from other devices that are too close to the soundbar. To minimize this interference, it's best to avoid placing other devices that emit signals too close to the soundbar. 4. Speaker wire connection: Sometimes, crackling or buzzing sounds can be caused by a problem with the wire connections between the soundbar and the amplifier or TV. We suggest checking these connections to ensure everything is properly connected. You can download its owner's manual through this link for more information: https://www.lg.com/us/support/product/lg-S75QR.DUSALLK. ^Cris
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