Faulty DJM-500 DJM 500 DJM 500 - otherwise excellent condition - spares/repairs in Southampton, Hampshire for sale

This mixer has a few faults with the EQs and/or fader. Firstly, the effects button is a bit dodgy and sometimes needs to be pressed hard for it to work. Channel 1's bass EQ when lowered also reduces the whole of the left side, and the bass sometimes pokes through. Channel 2's fader just does not seem to work at all, but I'm prety sure the EQs are fine. Channel 3's mid EQ somehow affects the bass output bass comes through for some reason. Channel 4 is fine. Otherwise, the mixer is in excellent condition. I'm sure someone that knows what they are doing can repair this mixer and sell it, because I know they go for £170+ online. The faceplate looks almost new, with very little signs of use. Supplied with power lead. Based in Central Southampton Contact Charlie on 2 if you want to know more.