Victor CUTMASTER - Waveforms

Troubleshooting 6-16 Manual 0-5230
CUTMASTER 10MM, 12MM TROUBLESHOOTING
6.13 Waveforms
NOTE
All waveforms below are taken with ISOLATED oscilloscope probes. These parts being measured are
MAINS potential. An isolating transformer should be used for the oscilloscope, or isolated probes
should be used. If an isolating transformer is used, the frame of the oscilloscope may be live, and
suitable care should be taken to avoid electric shock.
1. Vds of inverter IGBT at no load
TP C1: 4 and 5 C2: 9 and 10 (Testpoints refer to main inverter board in Sec. 6.06).
Timebase
Trigger
Stop
Positive
Art # A-10247