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Solid State Micro Technology for Music

SSM2044 - 4-Pole VCF

Korg Mono/Poly, Polysix, PPG Wave 2.2/2.3, Kawai/Teisco SX-210, SX-240, K3 and K3m, E-MU SP-12, Drumulator

Wood side panels

The original side panels are really lousy. I have two units of the SX-210 and both are not in very good shape.
I can provide you a really good pair of real wood (oak) ready to install.

Kawai SX-210 CPU board repair kit

The Ni-Cad battery of this synthesizer is known for the damage it can cause. I rebuilt many of these boards and the solution is to change everything. Along with the components, complete printed schematics will be sent.

The kit contains:
1 CPU Intel P8031 (this one is far from the battery, but I had to change it in some boards due to short circuits)
1 2764 Programmed EPROM with the last known firmware
2 ULN2003A darlington transistor array
1 SN74LS374N
1 µPD8253C NEC programmable interval timer
1 TC5517 Toshiba 2K RAM (your unit may come with a MSM5128 - they work the same)
2 transistors 2SA564
2 transistors 2SC536
1 zener diode 5.2V (WZ-052)
1 diode 1S2473
1 diode 1S1555 (to adapt the new lithium battery)
1 CR2032 lithium battery with soldering tags
2 resistor network 3,3KΩ x 8
2 2,2KΩ 1/4W resistor
7 3,3KΩ 1/4W resistor
6 electrolytic capacitors 10µF 16V
3 electrolytic capacitors 0.22µF 16V
1 electrolytic capacitor 47µF 16V
1 electrolytic capacitor 100µF 25V
all the integrated circuits come with a good quality machined DIL socket.

Kawai R100/R50/R50e 8 bank switch

This small module takes little more space than the original EPROM and can transform your Kawai drum machine in eight different machines.

Kawai R100
Kawai R50
Kawai R50e
Linndrum
Roland TR808
Roland TR909
EMU SP12
and a special sound bank designed by Portuguese film composer Pedro Janela

Kawai

Kawai R-100 OS EPROMs

Kawai

Kawai R-100, R-50, R-50e sound roms

M50734SP CPU

used in Kawai R100, R50, R50e, Cheetah MD16