Q: Translation inserted by Moderator (translation by DeepL)
how to extract a sound bank from synte DX7 to machineMK3
Not exactly the answer to your question, but do you have FM7 or FM8? If you do you can download most of the DX7 patches from the Internet and load them into FM8. This is a good starting point - https://bobbyblues.recup.ch/yamaha_dx7/dx7_patches.html . Not sure if it has the original DX7 patch banks, but a good hunt around with Google will probably find them