Qsc Dca 3422 Amp shot dead

[Alinos007]

My qsc dca 3422 was plugged into two Ev 12 boxes. after a rumble of sound, it stopped dead. all leds are off.
Can use the rear data port to diagnose the problem?
Is there any fuse ?
Please help

[Jon Snell]

Probably the internal fuse has blown unfortunately as the power supply is a switch mode device, it is likely to be short circuit and require specialist repair.

[Alinos007]

Thank you John
so it’s not just a simple fuse. That would’ve saved it

• Exclusive PowerLight power supply for great bass

From QSC website

[Jon Snell]

You will have to investigate, I can only guess as I cannot fault find it.

[drewl]

You never know, it may be just a blown fuse

[g1]

schematics attached