unlike other (more popular?) beat boxes there’re few sources about this one and we had to find out on our own where to apply the short circuits. fortunately sound-eproms are easy to find on a PCB and in this case it’s the ICs 9/10 to lift the AKAI sound up to the 21st century.
allright - ready to bend, as we now the know bending joints next step is to build the patch matrix. as featured in the video there’s one of them crashing the machine, maybe better to leave out that one ;) stay tuned…
UPDATE: meanwhile i got a manual for the XR10 too: