Does anyone knows what value the missing cap C21 should have and what the FB1 should be?
C20 is abouot pf range. It’s out of my UT61E range.
FB1 is ferrite bead, similar to FB2. No idea of the actual value.
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Thanks for the info. 
As solution for the both missing components, I took them from a donorboard. And the controller is conneting wireless again.
But now I have to complete the donor again…