Clavia Nord Modular G2, Руководство по обслуживанию

Страница: 12 / 16

Clavia DMI Service manual Nord Modular G2 rev. 1.2 Page 11
Installing the USB transient patch.
This document describes which components that needs to be added to a G2 main board
in order to eliminate the possibility that the USB circuit takes damage when connecting
the Nord Modular G2 to a computer.
This patch needs to be installed as well as replacing the USB circuit
U24
(23190).
The modification involves mounting of four clamping diodes and one bypass capacitor.
Any diode similar to the S1GB shown in the schematics will work.
Clavia uses 1N4004, the capacitor value is 10 uF.
Added components are circled:
The picture below shows part of the schematics for the G2 Main board (USB section)
Picture Shows positioning on the board. Picture shows how it looks patched.