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14-09-2014 #7
Last Activity: 18-12-2023
Where it says, Pb , that's the 3 phase bridge rectifier off the incoming supply. It looks like the negative PCB track for the DC link has suffered, or the rectifier terminals have shorted because of moisture or something on the PCB.
Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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