Quote:
Originally Posted by Rob
You'll probably need to ask the supplier of the specific TV whether their USB socket is powered or not, and if it is powered what the output is.
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All USB sockets are powered (otherwise cards just simply would not work in them)
It does though depend on the available current. USB standards dictate 0.5amps (at 5v) some can supply more but some designed purely to just run usb memory for example might be less..