Kurzweil Midiboard Service Manual Jun 2026

Different EPROM versions (v1.0 to v3.0) change how the board responds to touch. Core Sections of the Manual

The manual explains how to set:

No modulation or vibrato when pressing down on keys. The Manual's Fix: Aftertouch is generated by a single long pressure strip under the keys. The manual’s calibration section explains that the A-to-D converter expects a specific voltage range (0.5V to 4.5V). It details how to adjust the "Aftertouch Offset" trimmer without an oscilloscope (using a high-impedance voltmeter). Kurzweil midiboard service manual

Finding a physical or official digital copy of the 84-page service manual can be difficult, as it is no longer actively distributed by Kurzweil. You can currently source it through the following: Different EPROM versions (v1