Hello All,

While I am a electronics technician, I have no experience with production lighting or LED systems as I am more of an amp guy.  I recently purchased 8 old Elation/Alkalite TP-81 Intelligent LED Color Systems (Link) and a few 575E AT moving head lights at a liquidation sale for a local production company.   Literally everything has 1 or two issues, but almost all of the TP-81sblow the 2A GMA fuse at power on.  I am guessing this must have been a common issue with these because they all have it.  What is the best place on the boards to start diagnosing and hopefully repairing these?  I bought them dirt cheap for my parents church with the hopes of being able to repair them.  I don't want to start tearing them down until I have a plan for what I am going to do.  It's likely a short somewhere, I would think.  Any help would be appreciated.

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