This TV is 10 years old and probably requires a service that replaces the backlight invertor or just a power supply issue.
Check to see if the light blinks. (That is the fault code and then google the result for more information).
PCMag
https://www.pcmag.com > Reviews > Audio > Speakers
Feb 28, 2013 - The Sony HT-CT260 soundbar adds Bluetooth to an already highly capable and modestly-priced two-piece audio system. MSRP $299.99.
Pros and cons: Excellent value ? Built-in Bluetooth ? Treble response isn't the clearest ? View full list
Rating: 4 · Review by Will Greenwald · US$225.00 · Out of stock
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