Remove this from power until a tech can check for what may be a common problem. Continued use can blow boards and make repairs very expensive.
Software version: T-MST10PAUSC-1037.1
The Samsung TV cycles the power every four minutes and this appears to be related to the SmartHub software.
Once the TV is turned on, after 4 minutes, the power will cycle.
If the tv is turned on and you attempted to start SmartHub, the Starting icon appears in the upper right corner. After a minute, the rotating icon freezes. Eventually the TV will turn off.
Actually I'm not sure it is clear that the power is cycling as much as the software is crashing and restarting. The screen goes blank and the Samsung logo then appears and the picture appears again in about 6-10 seconds. THere are no error messages displayed.
Occasionally (once every few days) there is a message that says "SmartHub upgrade complete" and the TV works properly for a few hours. But the next day, the behavior will be the same as described above.
CUrrently the TV is on a wireless connection.