Interesting switch board tonight, described in the listing as "micro water damaged" but when I opened it up this is what I saw on the 17v backlight circuit and daughter board:
After some careful cleaning and swapping in my spare daughter board I managed to get the main board to boot once but I was met with a load buzzing sound and the console crashed when it got to the main screen.
There was quite a bit of corrosion around the audio ic so I started removing components and pads were just gone... This is some sort of IC that has something to do with audio but its pads are mia.
This is for the fan with the connector taken off, the trace to the cap is burnt and the pad under the closest side of that cap is missing the test points for the 5v fan are also rotten.
Now this isn't pretty, but I had no choice but to run jumpers, im using 0.1mm magnat enamelled wire
And with the IC back in place, ignore the burnt flux and wonkey caps for now they are all from a donor board and I went back and cleaned/straightened the area up with some fresh solder and mask later. It looks ugly but it works. At this point I had a working switch board with Audio
But no cooling...
No cooling is a problem so next up I tackled the fan area, I popped a connector back on and 3 of the pins are fine, the top pin which is a 5v pwm is not, those test pads were totally rotten and the more I scraped, the more they just fell away, problem is they go through the board from here to somewhere else and they don't look connected to me.
After trying to get some solder down it was just falling away more so time for some jumpers, i went from the leg on the fan connector to the cap then over to where the test points were with a tiny bit that was still connected, tested it and as you can imagine no dice.
So I grabbed one of my donors and my meter and tested around the board for anything with continuity to that area, after a while I found it... run a quick jumper and tested it, look at that fan spinning
you can just about follow the wire down to the cap in this pic:
Time to make it more permanent, with some better soldered wires and some mask:
And this is now a fully working board, sure its a bit messy and there is a random wire running the length of the board plus a load of random rework around the audio IC but its a fully functioning switch once again.