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Spectrum 187 Plasma Cutter

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  • jjohn76
    replied
    I can't remember which one is pm1, is that the input rectifier or output IGBT? What are you showing for input bus voltage on power up? Should be ~390VDC.

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  • mmurray39
    replied
    Ok we got power up.but overheated light on?? Fan runsno other lights ummm gonna take it apart again ee how transformers look hopefully get some help frankenmiller has signs of Lifehouse with the abuse to that board it has life

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  • mmurray39
    replied
    Pm1

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  • mmurray39
    replied
    Might have found sorta a problem

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  • mmurray39
    replied
    Ok gonna try running 50mt060whtapbf as a 50mt060ulsappbf just not using station 11 and twelve whats the worst that could happen?? Oh yeah q9 on board for what feeds oc1that feeds vr 4/hs2 not on diagramming leap of faith?

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  • mmurray39
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  • mmurray39
    replied
    Some of the legs pulled off getting them out had to reattach

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  • mmurray39
    replied
    Oh oh I remember octicoupler raised platform or


    .

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  • mmurray39
    replied
    Been here not giving up its personal and interesting for mear mortals think I have the basic design sortta

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  • mmurray39
    replied
    Thoughtthewhtapbf module was both a high an low chop could be wrong it is a half bridge

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  • jjohn76
    replied
    Is that the half bridge or the low side chopper? I wasn't able to find any substitutes for those modules because of how they were packaged.

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  • mmurray39
    replied
    Hey how yall doing good I hope so since last time ummm yeah I got nothing lol been busy have some of the igbts the ulfphb one is hard to find checked all the u transistorsto the octicouplers seems good the octo s as far as I can test they seem alright with my limited knowledge 1 good thing havent electriquited myself yet holding in there any help with the 50mt060ulfphb would be appreciated as the alternative would be cutting 11 and 12 legs off a whtapbf seems a waste(cutting the high side chop out. On paper looks like it could work I m no expert) stay safe have fun ok thxs for everyone for the thoughts

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  • mmurray39
    replied
    Schmitt trigger?? Oh a new **** lol

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  • mmurray39
    replied
    Thank you mister miller

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  • mmurray39
    replied
    About a month ago bought new to me machine out of Detroit mich **** what could go wrong there in all actuality really good deal50ft ice 40c torch and 300 dollars worth of assorted consumables I think it was a good deal for 325$has the newer board came out of a vocational.schoolbody work i think they had been beating on it on a cut table extra hole in face platesome xt 30 an ex40.an hyperthermia consumables a whole box for the ice40c fun in the

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