Crown Pulse 21100 Manuel d'utilisateur télécharger pdf (Page 12)

8. All being well, connect another jumper wire from the +60V rail to the PCB point marked C on Diagram 2. Check the

waveform from the output of the IGBT. To do this, monitor the middle pin of the IGBT marked F on Diagram 2. You should

have a waveform similar to that shown below.

9. Move the oscilloscope's Gnd reference to the normal ground point of the amplifier; i.e., the four black wires (shown blue in

Diagram 1). When you turn on the DC power supply, the current should have risen to about 150 mA. You should see square-

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Crown Pulse 21100 Manuel d'utilisateur Page 12