my RF amplifier 007

if you see something please say something thank

could please take a look on this and tell me what did do wrong it does not power up so i don't know if it is something i did wrong i Hook up the purple wire next to Cap to a 48V and the other one to a 12V the yellow i use for the ground i am new to this so i am asking you to please help i know that you are a pro thank you very much

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