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I installed a replacement screen from RS for my Hybrid D11 (big rubber buttons, not membrane). The backlight might use different power. I think I burned out the backlight on mine. Also, pins 2, 4,...

My plasma table was not breaking the arc detect circuit on startup, so it would never start to move. It's NC when off, open when plasma power source is on and idle, or during start of arc. When arc...

Does anyone know what board this is? Brand? Do you have a schematic?
It was on a Westinghouse HL-752 for X-Y control with a Northrup Grumman amplifier.
The table was Advanced Cuttings Systems...

These are some of my notes on this topic.

Hypertherm*Chopper (For serial number – 1996 HD3070-0002xx): Part Number: (HYP028810) NOT AVAILABLE...

My Hypertherm HD3070 chopper has failed. The chopper is no longer produced and Hypertherm doesn't currently license their 10+ yr old systems out for parts made elsewhere. I think this is bad...