Hi my name is Roety,
I can help you with your issue ,
No power means no lights at all, dead set
Call a repairman and expect to spend $275 for a fuse or $550-$600 for a new power supply or SSB board
Check the power supply board for 5 volts , if 5 volts standby is present replace the SSB board.
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Thanks
I’m happy to help further over the phone at
https://www.6ya.com/expert/eric_ab7c09ec01841771