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Akai VX90 needs help
Old 11th November 2016
Here for the gear

Akai VX90 needs help

Hi all, I have an Akai VX-90 which has been acting a bit funny, not tuning, voices not behaving as expected. I have a couple of replacement voice ICs for it, but I'm not sure it's as simple as swapping out one or two of these. My pressed-for-time local synth repair maestro doesn't want to look at it without a service manual.

I've contacted Akai to see if they can rustle up a copy of this manual but given the age of the unit I'm not holding my breath.

Does anyone have a service manual or schematic for the VX-90 they could share, please?
Old 26th November 2016
Gear Maniac

Maybe for now you check the power supply and clean the connectors...
Old 29th November 2016
Here for the gear

Akai got back to me about a service manual and said "nope".

Thanks Sonate, I'll have a crack at that and let you know how I go.
Old 11th August 2018
Here for the gear

Smile Service manual

Oooh looky here

Akai VX90 Service Manual
Old 17th May 2019
Here for the gear

Hello! Ive got exactly the same problem with my akaivx90. Not always in tune AND playing totally wrong notes sometimes. Did you find a solution?
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