Spectrum 187 Plasma Cutter

[mmurray39]

Hey yall still going no luck on replacment parts so still at standstill umm does this take 1 phase 240v then split it into 3 phase then run the machine? Just a thought

[mmurray39]

Yeah it needs life sooooo no luck well too much for the pm1 and 2replacments another scare on Franken miller. Its gonna be a really not a cute look the fairchild fp7g100us60 an part of the mtp modual (for the thermistor) as the pml. The pm2 the sot 227 no need the termisor not running on cut table as for reasonable time working bought 2007 it s lucky to have 100hs if it fires ill be happy can get 4 of these for price of the vishey moduals yeah gonna try it

[mmurray39]

No luck on replacment maps looking at something else but at this point its getting time consuming and expensive the mtp replacment parts are 500 600 dollars can't justify the outlay might have to give up until I run into something who knows ummmm there s not much support either maybe flogging dead horse

[mmurray39]

The ntc thermistor any idea value or are they pretty much the same

[mmurray39]

Too much cooling

[mmurray39]

Might u or anyone the computer interface can it be plugged into a laptop for diagnosis ??

[mmurray39]

Thought that I wrote my though on how it works but it was unapproved prob wrong anyway not messing with.it then going back look when something happens be back oh that little max 43 really decent machine

[jjohn76]

If you're talking about the transformer in the middle of the board, it provides most all of the power to every controller on that machine.

[mmurray39]

The cramer little transformer c6obj2 any idea what it does its it for pilot arc start??

[mmurray39]

Its getting fun quite expensive time consuming winter ab more rona coming and christmas

[mmurray39]

Umm unapproved

[mmurray39]

As to.where the 28v and 5v come from the invisible connection I take that 1st small.1 is 28.the main is?the last one is 15 pm2 is drop.to 5v pm3 is 28v total.guess herethen.goes thru freqency mod to the next one and so on to the pcm then it starts this not righrsorrta getting it missed sr1ummm

[mmurray39]

Vs gt 100a65uf vishey.tech.said this would do a better job and all the point you have stated how you doing i might have an mpt modual lined up.the correct one there really not avaliable in usa for some reason?? Would really go the way it came i m.working on second board did really massacre the original.you.can.see where thing go without the copper slab out.of the water the 45xp.oh its the new g friend light two no problems going. Good thanks for advice. Oh the 3 transformers managed to.obtain a schematic but only partial the main power some of the other systems i m still.guessing still.tryingtho thank you

[jjohn76]

Whatever you do on the input rectifier, just be sure it's getting enough cooling. You could replace the low side chopper (boost module) with an IGBT and a high speed diode, though the snubbers on that board are tuned to the original components. Again, cooling may be an issue. I think the frankenmiller would need a much bigger box to fit discrete components with a reasonable life expectancy.

[mmurray39]

Another though. Ummmm. How about wiring 2 sot227 s together in some form lollies the ga10up60 s or i have 10 apt60ge80jd60 and couple ufb200fa20p ju s
t thinking getting cold again snow tommorow yeah