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So my Quadra 950 arrived yellowed and missing the blanked out bezel. This I thought was my only issue but it later appeared that the clips and screw post on the original side panel had been broken off with a mix of shipping and age related damage. This bothered me greatly, the yellowing I knew I...

Hello according to my TechStep and the scratchy sound it appears an amplifier on my iivx board has gone bad, does anyone know where I can find replacements or which ones these use. Photo below.

Awesome!

Did it work?

Please do let me know if she fires up again.

Hey looking at the images I found a trace break.

I'll tinker around here with mine and see what more I can dig up.

I assume this is powering on via ADB keyboard with soft power, most likely confirming working EGRET, any chance you can take a video so I can see what the screen corners do? Does it boot from floppy?

Flux and hot air

Chips look great give PRAM. A try.

Here’s what I’m gonna say try first #1 reflow the EGRET and #2 do a PRAM reset (cod+shift+p+r) this may take 2-3 tries.

The reason I say might be something to the SCSI is that the machine initialized the scsi first so if it can’t initialize it sits. For example if it was initialiaing correctly you’d see a ? For no HDD detected assuming one failed or isn’t connected or a happy mac booting into Mac OS. Do you have...

Maybe but I know L2 was bad on mine and it restored sound. As far as the other symptoms I’d imagine a line to the SCSI chip may be bad.

L1 and L2 can cause sound errors if they short out, try seeing I’d that at least fixes sound?

If anyone prints these let me know how they turned out or provide a picture of the end result : )

Open bay below by @360alaska. Figured might as well have them all here. I also think @360alaska did the CD Bezel above.

Ok found it now remember the WGS 95, Quadra 900, and Quadra 950 are all the same thing with subtle differences. I bring you the user manual…..

how bad was the leakage

Not necessarily, have you looked at that riser card in the PSU this is indicative of problems you may be having.

Almost positive it's your PSU I have 6 of these machines and three had this very issue even after a PSU recap