Recent Content by agent0013

  1. agent0013
    Post

    Sony WM-DD33 speed issues (and more..)

    Also, measured voltage directly on the Motor+ output. Correlates with Pin15 with the IC, no tiny peaks of voltage as on your graph. Maybe motor...
    Post by: agent0013, Apr 2, 2025 at 1:38 PM in forum: Tech talk
  2. agent0013
    Post

    Sony WM-DD33 speed issues (and more..)

    Also, signal on PIN9 highly correlates to signal on pin 4. Hope I will not be banned because of too many images in 1 post :)
    Post by: agent0013, Apr 2, 2025 at 1:19 PM in forum: Tech talk
  3. agent0013
    Post

    Sony WM-DD33 speed issues (and more..)

    OK, so I could't sleep without some experiments. So here are a lot of waveforms for every pin of servo IC601 CXA1423, recorded from normally...
    Post by: agent0013, Apr 2, 2025 at 1:15 PM in forum: Tech talk
  4. agent0013
    Post

    Sony WM-DD33 speed issues (and more..)

    Today I've received and restored to kind of working state DD22 from ebay, so new discoveries are in the way. In the next few days I'll check the...
    Post by: agent0013, Apr 2, 2025 at 8:20 AM in forum: Tech talk
  5. agent0013
    Post

    Sony WM-DD33 speed issues (and more..)

    Hi. I have DD33 with exactly the same behavior. But it got worse over time. It started exactly as you described. Sometimes locks on lower...
    Post by: agent0013, Mar 24, 2025 in forum: Tech talk
  6. agent0013
    Thread

    Hi from Lithuania

    Hello. Recently I've discovered new hobby, which brings me back to happy childhood years. Now in deep search for perfect cassette walkman. Already...
    Thread by: agent0013, Mar 24, 2025, 1 replies, in forum: Introducing myself