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AN6551 Dual Operational Amplifier

Used in Korg Delta

Korg 01/W OS #62 EPROM Kit

The kit contains two EPROMs, IC25 and IC26 with the last OS (#62) for the entire 01/W family. I will send a CR2032 lithium battery too.

Korg part numbers are 912162 and 912262.

Korg Delta DL-50 Ensemble board repair kit

The kit contains one Integrated circuit MN3004 (a bbd unit), one AN6551 (a dual operational amplifier), ten 10uF 16V electrolytic capacitors and 4 100uF electrolytic capacitors.

Korg Delta DL-50 Filter repair Kit

The capacitors in the Korg Delta DL-50 will eventually prevent the synthesizer section from working.

This kit contains 4 units 1nF polypropylene orange capacitors, just like the originals (C21 to C24). After removing the KLM236 board, you should replace the LM13600N ICs. They also fail a lot. I am also including one pair of high quality machined IC sockets.

Korg Delta PSU repair kit

Korg DW8000 OS V13

Korg M3 volume potentiometer

Korg Poly-61 Poly-61M volume and frequency potentiometer

Korg Triton Series volume potentiometer

MB81464-10 or M5M4464AL-12 (ZIP Socket) 65536-WORD by 4 -BIT Dynamic RAM

Korg 01/W family DRAM. There are 5 units of these chip in these synthesizers. Early units used M5M4464AL-12, later units used MB81464-10

PC910 or TLP552 Korg M1 MIDI optocoupler

Your Korg M1 isn't receiving midi? Most likely, this is the problem.

S10430 - Keyer/Divider from AMI

Used in Korg Delta DL-50, Lambda ES-50, Elka Elkatwin 61 and many others.

SM304A - Siemens Keyboard Encoder

Typical symptoms of a malfunction of this chip are:
-Half keyboard not working (one chip damaged)
-The whole keyboard not working (two chips damaged)
-One or several keys not working.

Used in Korg BX-3, CX-3, Elka X-50, Viscount OP-3, OP-6 and many other organs.

SM305A - Siemens Tone Generator

Used in Korg BX-3, CX-3, Elka X-50, Viscount OP-3, OP-6 and many other organs.
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

Tact Switch

Used in Korg 01/W, 01W/FD, SG10, i2, i3, i4s, M1, M1R, microKORG, N264, N364, Prophecy, T1, T2, T3, Trinity, Trinity Plus, Trinity Pro, Wavestation, Wavestation A/D, X2, X3, X5, X5D and 707 except numbered buttons under the display. Korg #37507500, #375007500, and #375010500

TDA1305T - DAC

used in Korg Z1

TMS57070FFT

DSP used in Oberheim OB-12, Korg Z1, Triton, BX-3, CX-3 (modern version), Electribe ES-1, EM-1, and all kind of digital processors like Korg AX-1500G, Vox Tonelab TT, etc

Triton series tact switch

Tact switch
Korg Triton Extreme, i30, ix300, SG, Z1

XCB56362PV100 - DSP56362

Motorola (Now Freescale/NXP) 24 bit Audio Digital Signal Processor
Korg MS2000, MS2000R, Novation Supernova II, Novation Supernova II expansion board, Korg BX-3, CX-3 year 2000 version.

BA618 - LED driver

Korg Poly 800, EX800, Poly 800 II

Joystick Poly 800, Poly 800 II, Poly61

PC410K optocoupler

used in Korg 01/W series

Korg Z1 volume potentiometer