Hifonics BXI608 in protect mode

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keelytn

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Joined 2014
Trying to repair a bxi608 which is in protect mode, for my son. Removed board and checked IN CIRCUIT all of the transistors/fet's (none shorted). Has most of the same components as a previous thread back in 2010, except PFP50N06 instead of DFP50N06. No physical damage! Any suggestions?

Did notice that all of the screws on the output block were very loose but no hot spots or visible damage there either.

7/25/14 Nevermind, powersupply was not coming up. Found a fast recovery diode open. replaced and working fine now.
 
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