Sounds like a display power supply, as mentioned, send it into ARC.
I doubt it can be fix d locally. One other possibility is the display itself. One thought is, as you dim the display does the noise diminish at the same rate? Either way I think sending it in is the best solution.
I doubt it can be fix d locally. One other possibility is the display itself. One thought is, as you dim the display does the noise diminish at the same rate? Either way I think sending it in is the best solution.