Miller Tig maxstar/Dynasty 200 SD to DX upgrade

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I found a thread on a Miller forum referencing a thread here on a Sd to Dx upgrade. I’ve searched and couldn’t exactly find any answers. The thread specified that if you look up the parts list for your welder you can get the correct Dx membrane board for your machine. Is this all that’s needed to convert a sd machine to a Dx? Thanks in advance
Reply:Yes the only difference is the front board and the membrane switch you need both. Good luck.Last edited by Diode; 04-12-2022 at 01:12 AM.I Fix Stuffwww.millerserviceparts.comwww.lincolnwelderrepairparts.com
Reply:I’m not sure I fully understand what you mean by front board. If we use this serial as an example LH330075LSwitch membrane: 231255 Is the circuit card assembly what you were referring to? Item 400 in the parts breakdown? https://www.millerwelds.com/files/ow...P2240A_MIL.pdf