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Tektronix 465B N/W

Discussion in 'Troubleshooting and Repair' started by ErichTurner, Jan 25, 2015.

  1. ErichTurner

    ErichTurner

    4
    1
    Jan 25, 2015
    New guy here and already I have a question.
    Some years back I purchased a used Tektronix 465B oscillioscope as one of those things "I'm gonna learn how to use someday". It came checked out and included calibration and performance paperwork. I toyed with it and used it a couple of times, mostly setting it up to do waveforms, etc., according to a tutorial CD the seller added. Nothing major circuit wise.
    I know it worked correctly up to a couple of years ago. At least as far as it would power on and display waveforms.
    I sold my home and had no place for a lot of my stuff so I carefully packed the scope in a road case and it has been stored there for a couple of years now. I finally have a place to sit and use the thing so I dragged it out, powered it up and...no waveforms. It shows a trace that sort of looks like a skinny backwards "4" and that's it. With or without signal or probe. Only thing that changes that is setting the slope to a minus setting. Obviously, I know very little about scopes and I was really excited about learning something new now that I am retired and life is somewhat laid back so I can enjoy things like this.
    I am in the NW FL. panhandle and finding anyone here to possibly repair the thing may be next to impossible (had a hard enough time defining "DeOxit" to folks here) I would appreciate and help.
    I have attached a couple of screen photos (I hope).
    Please be gentle with my dumbness.
    Thanks.
     

    Attached Files:

  2. Bluejets

    Bluejets

    3,483
    706
    Oct 5, 2014
  3. ErichTurner

    ErichTurner

    4
    1
    Jan 25, 2015
    Thanks. Got the svc manual today but scope is at shop. Thought I might try putting this out there to maybe get opening advice/thoughts from pros.
     
  4. ErichTurner

    ErichTurner

    4
    1
    Jan 25, 2015
    Like to have this repaired (it is actually a 465 but does have the DMM on top) but only estimate I have so far was for $750. Geez, I only paid $400 for it.
    Is this thing even worth the effort?
    I do have a service manual but I am pretty novice and don't know if I trust myself to dive into this.
    Any help/advice/suggestions would be appreciated.
    Thanks.
     

    Attached Files:

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