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How to circuit test a Valuejet main board?

Discussion in 'Mutoh' started by heyskull, Feb 1, 2013.

  1. heyskull

    heyskull Very Active Member

    1,662
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    Sep 2, 2007
    UK
    Well the last nearly 2 weeks have been rather testing and I have learned a lot.
    I have watched the technician we had in and the only thing I can't do is test the main board.
    All he did was check about a dozen points for continuity and deemed the board as probably good and after replacing the head and head cable I have a printer that prints like when it was just out of the box.
    Don't get me wrong this guy knew what he was doing and charged a very very fair rate. In fact it was a pleasure to find someone that was so obviously well trained on these machines and didn't do what a lot of so called techs do and replace bits till it works.

    But this is maybe a question for the techs but were on these boards do you check to see if things are OK?
    Seemed rather easy as I am fairly electrical minded and was originally trained as an electrical engineering and still can work my way round a circuit board.
     
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