looking for some trouble shooting tips or advise on a welding machine pc board.
there are three componates that are obveouly burnt up. they are Q5,D18,and Q8 in the electrical drawing. i have replaced the three items and was looking for advice on what may have caused them to fail. and any other devise that would be suspect to replace.
(not obvesoly burnt on board. thanks. page 39 of 56 on pdf file.
there are three componates that are obveouly burnt up. they are Q5,D18,and Q8 in the electrical drawing. i have replaced the three items and was looking for advice on what may have caused them to fail. and any other devise that would be suspect to replace.
(not obvesoly burnt on board. thanks. page 39 of 56 on pdf file.
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