Question about WYSE WY-150 AMBER 80 (90098307) Network Terminal

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On the Wyse 150 terminal, I have found that a lot of units have this problem. The Horz. output transistor gets hot and the screen shifts to the left , I have replaced the flyback, horx. transistor and some caps in the sweep circuit, with no luck...Help

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  • robert neilson Dec 09, 2009

    Is this the MC 1391 IC?

  • robert neilson Dec 09, 2009

    Yes, I replaced the MC 1391 on one of the units and this fixed the problem, however on 2 other units it did not fix the problem.

    Bob

  • robert neilson Dec 09, 2009

    yes , i changed the yoke, also replaced the horz. output xistor and replaced the horz. drive xistor as well. Have you run into this problem as well on the Wyse 150? Bob

  • robert neilson Dec 09, 2009

    Right now I am not working on this problem, however I have not tryed replacing the .0047 cap yet, so I guess we will put this on hold for now. I want to thank you for the info and will keep working on this problem with your good input. Bob

  • robert neilson Dec 09, 2009

    Right now, I am working on other models, and I will try the other things that you said I should check,

    what I need is someone that has had the same problem with this model to say (example) replace the 1391,c-104 etc., HAVE YOU HAD THE SAME PROBLEM WITH MODEL? Bob

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