Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Roku and TCL are being sued for allegedly bricking TVs. The suit alleges Roku deployed defective updates. Six specific models are named in the suit. If you have a Roku TV, there's a class action lawsuit you should be following. In a recent filing in California , a user is accusing Roku and TCL North America of issuing defective software updates that render TVs unusable. In some cases, the suit alleges, the TV only shows a black screen. In other instances, the TV gets stuck in a boot loop, freezes, or restarts repeatedly. A replacement set suffered similar problems. Also: The 4 streaming services I swear by - and my bill is just $40 a month The plaintiff in this case appears to not be alone.…