Diaphragm for Mackie M44ti SRM450-V2, RCF-M81, N450 EAW 15410081 by ZXPC

hello I have yet another piece of professional sound equipment for repair here this time it is mackie SRM 415 v2 powered loudspeaker that does not power up it is in a decent shape externally just a few scratches here and there no problem at all so let's see if we can deal with the electronics I have no idea what's wrong with it let's have a look here is the back of the unit and I see that someone had a go at this thing the screws around this power amplifier are missing only two screws on top are holding this module in place I don't quite like this but anyway let's take this amplifier out and see what's inside here I took the amplifier out and I see that these connectors were disconnected from the board this connector is the speaker's woofer and tweeter and this must be for our LED on the front and I also see that a fuse here is missing here is this amplifier module let's have a closer l