indisguiserobot wrote:

> Hi, hope someone can help me with this.
>
> The negative centre pin on the powerjack of my 707 has somehow broken
> off and disappeared!!!
>
> Does anyone know where I can find a replacement powerjack

If they're like the power sockets on other Roland kit, they're a pretty
standard thing. I'm not sure if Maplin will have PCB-mount ones but you
can pull one from a dead keyboard, or drum machine, or 1980s home
computer...

> I found a mod to convert the machine to run off of batteries and it's
> working perfectly like that, but obviously I still want to run it from
> the mains as well, I've got the original wallwart transformer.

Make sure the pin isn't stuck inside the plug ;-)

> I'm in the the UK.

Where in the UK I'm about half-way up Scotland on the left, if you're
nearby and you need a hand.

Gordon