Sony SA WCT290 Subwoofer (Diagnostic)

[@jesusbotello7589]

same thing happen to mine am I able to fix it myself?

[@jesusbotello7589]

or how much do you charge to fix this

[@danipruteanu]

Here is another video (see link below) troubleshooting the same problem. It seems to be the buck converter. Hard to find the TI chip 54334.
ruclips.net/video/FzYTq-DMUBA/видео.html

[@JuanJDumeP]

It's the buck converter Sony has a lawsuit because of this. It's a widespread problem

[@aciobaniteidaniel4966]

what lawsuit. Can you post a link or point me in the right direction?