Need a Service Manual for Miller Spectrum 375 (Not X-TREME)

Question

Plasma Cutter

A plasma cutter slices through metal by directing air or an inert gas via a plasma torch, triggering an electrical arc, and then pushing plasma through the torch tip, reaching temperatures of up to 45,000 degrees F, making it a swift method for metal cutting.

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Terry Knox @terryknox

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게시됨: 2025년 3월 1일

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Need a Service Manual for Miller Spectrum 375 (Not X-TREME)

Anyone have the service manual or Mainboard schematic for a Miller Spectrum 375 Plasma Cutter?

Specifically looking for the part number for Q6, mine is blown beyond recongnition. Thanks!

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Hi @terryknox

I realize that you want the schematics for the 375 model and not the 375 X-treme, but was wondering if they used the same pcb board.

Have you checked this link as it has the schematics for 2 different pcb. Maybe one is the same as yours.

Worth a look .

Cheers

jayeff 의 2025년 3월 1일

Thanks for the reply. Yes I have looked they are totally different designs, one is an inverter type the other is a transformer type design. Thanks for the input though.

Terry Knox 의 2025년 3월 2일

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Hi @terryknox

I realize that you want the schematics for the 375 model and not the 375 X-treme, but was wondering if they used the same pcb board.

Have you checked this link as it has the schematics for 2 different pcb. Maybe one is the same as yours.

Worth a look .

Cheers — jayeff
Thanks for the reply. Yes I have looked they are totally different designs, one is an inverter type the other is a transformer type design. Thanks for the input though. — Terry Knox

Plasma Cutter

Need a Service Manual for Miller Spectrum 375 (Not X-TREME)

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