Und hier noch ein paar ausführlichere Reparaturberichte

And here are a few more detailed repair reports
19. September 2021

Repair Roland TR-909 Drum Machine Reparatur Service

10. Januar 2021

Repair Roland TR-909 Drum Machine Reparatur Service

31. Januar 2019

Repair Roland TR-909 Drum Machine Reparatur Service

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10. November 2018

TR-909 OS Version 4 Service

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26. Oktober 2018

Repair Roland TR-909 Drum Machine Reparatur Service

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24. Oktober 2018

Roland TR-909 factory reset

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2. Februar 2017

Repair Roland TR-909 Drum Machine Reparatur Service (Robert Babicz)

[…]