I'm not sure.
Originally Posted by Comokanu
He mentioned in that post that they were 100V diodes, and they get shorted when a voltage higher than 120V passes through them.
You could ask him for the details by sending him a PM, but don't expect him to reply immediately as he's busy with life.
If you want to attempt to identify those diodes yourself, perhaps you could test all of the diodes (Especially those large ones) on the PSU PCB.
SCPH-10000 S. MINOKAMO v1.01 (Defunct)
SCPH-10000 S. KISARAZU v1.00 (faulty)
SCPH-15000 S. KOHDA (With warranty seal!) :D
DESR-5100 S. EMCS