Nothing obviously loading the ps (cold) will power up replacement
tomorrow, presumably 48V and raw +/-15V as only one vr on the smps pcb,
component side of the big board not seen.
Looking a bit deeper into TOP24* datasheet. This PV14 has the 4 central
pins connected together, 3 terminal device, which is over-voltage
disabled mode.
So what happens in mains dropout and reconnection scenario, as with
drummer tripping over the mains lead and auto-restart on what it
erroneously determines to be low mains voltage setting. Would
probalistically be the same for those floppy 4-way plastic distribution
sockets, breaking and making, blowing the supply, if this is a potential
failure mode. 240V in the UK.