Hfi1500d help

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I'm looking at the 81013 v1.0 driver board and would like to know what the part numbers are for the ic chips that are on it.
 

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If by "regulators" you mean the SOT223-packaged devices in the top left, they're "only" high-voltage transistors (as per the P2D marking).

https://www.onsemi.com/pub/Collateral/PZTA92T1-D.PDF

"30 volts on the op amps" = between pins 4 and 8, or..?

Oh, sorry the regulators on the main board and yes at pin 4 and 8. I believe those regulators supply the op amps, from how it looks anyway.
 
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