Anyone have a Schematic for an Alesis QuadraSynth?
On 14/06/2019 1:33 PM, Paul wrote:
It works for the most part, except all the keys
from middle B and lower, do not work.
I'm hoping it will be something simple, like a loose
ribbon cable.
But a schematic would be helpful.
More helpful before you get too carried away would be a quick look at
the keyboard back-pcb where you will probably find a pcb-fracture, bad
jumper-wire between boards (or tarnished/corroded header),corroded
pcb-track or wire link, or a dead matrix diode.
Only after that should you need to start worrying about a schemtaic !
geoff
|