If your Samsung 85-inch Class Q950TS QLED 8K UHD HDR Smart TV is experiencing issues such as signal loss, erratic display, or failure to power on, the main board may be the culprit. The Samsung main board (BN94-15330A) is a genuine replacement designed for seamless integration with your device. Avoid prolonged downtime by replacing a faulty main board to restore your viewing experience. Verify your device's model number for compatibility before purchasing.