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  1. Paul Ramsbottom

    Thurlby PL310 power supply fault

    Having had a great deal of help on here over problems with an oscilloscope here is another problem that has just arisen that I hope someone can help with. My son's Thurlby power supply has started to deliver 50v which is lowered slightly by the control but not much. The voltage display shows...
  2. Paul Ramsbottom

    HP 54510A X-Y Mode

    Having got my HP 54510A working again after invaluable help from this forum I have a question about using it. Is there any way to input into the X axis? I can do this on my ancient Telequipment D31 'scope but the image on this is now very dim. I would have thought that there should be some...
  3. Paul Ramsbottom

    HP 54510A Power Supply Smelling

    I understand that the power supplies on these 'scopes are troublesome. Mine is actually working but is giving off an unpleasant burning smell. Information about these units seems scant but there is a reverse engineered circuit diagram here...
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