Posted by 36 coupe on June 06, 2012 at 04:58:47 from (69.49.142.24):
In Reply to: Electronics help posted by Bill in IL on June 05, 2012 at 19:37:39:
Welding circuit boards are way over priced.Eriend brought in an Esab circuit board that had 2 rotary switches made as part of the board.A new board was 700 bucks, new welder 1100 bucks.Parmak brought out a new line of fence chargers.Wont give out circuit diagrams of complicated boards or even voltage points.They took out a simple input transformer and replaced it with 27 parts on a board.That part looks like a tantalum capacitor.I would put a new one in and see if the feeder works.Price a new board.I always look for a reason that a part failed in repairing electronic items.If the welder was left plugged in a lightning strike on the power line could have damaged the part.Lightning will jump ON/Off switches so unplug those expensive welder when done using them. There are companies that repair welder circuit boards.Over the years Ive seen expensive fence chargers with parts ID wiped off parts.
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