Sony WM DDII Revival

Discussion in 'Tech talk' started by Gustavo Fernández Johnson, Dec 21, 2021.

  1. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    342C19C0-29D7-4556-916B-5F1B151B7680.jpeg Hi guys,
    New here, I’m just trying to repair a dd2 Walkman, the usual, center gear, small RQ gear, new caps etc.

    so I done everything by the book, center gear replace, clean lube…. All the goodie’s. Now it’s working beautiful, great sound but…. The FF button it’s not working, very hard to push and some grinding noises, Rw and play are ok, before I disassembled all buttons were ok, I would like to know what’s wron. Thanks.

    Gustavo
     
  2. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Till I can resolve I will enjoy this beautiful Walkman, it’s sound it’s amazing!

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  3. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Hope I’m not breaking the rules here



    Gustavo
     
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  4. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Nothing better than a complete recap with nichicom caps.

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  5. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Well it seems Marian Center Wheel works like charm, my only regret is the FF, is not working well, I don’t care, just listening the sound this produces makes my day.


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  6. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    With this las image of joy I say Merry Christmas!!!

    Gustavo

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  7. Silver965

    Silver965 Well-Known Member

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    small but beautiful collection ... congratulations and best wishes
     
  8. Silverera

    Silverera Active Member

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    Haha...the Guardians V1.0 soundtrack selection is a good choice. Always liked the DDII myself from a natural EQ sound perspective. I have 5 in the collection but I've never done the caps. We're you able to compare the sound before the nichicon caps were installed?. If the caps were OK in that there was no volume drop from one channel to the other I am curious to know how much of a difference you get on these caps which I assume are the modern tantalum ones.
     
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  9. Jorge

    Jorge Well-Known Member

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    @Silverera - nope, those look like UMW audio-grade electrolytics from Nichicon and they do make a difference compared to the 40-yo half-dried caps! For my fav, every-day workhorses I go for the Rubycon Black Gate caps: those are pricey compared to UMW but at $20 a-piece it's next-to-nothing compared to $1k+ power-cords a Dude has to get for his Ultimate Stereo ...

    @Gustavo Fernández Johnson - I LOVE your motorized Torque screwdriver, I used to have torque-ed one from Wiha but not sure I will ever go for the 'motorized' one: I like to have a feel at what I am DAMAGING!...
    :loldiag:
     
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  10. radiorich

    radiorich Active Member

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    Hello Gustavo,
    "Nothing better than a complete recap with nichicom caps." you said it I use that brand of capacitors in everything from my tube radio to my Sony walkman .
    I just bought another Antique Sony radio from 1959 .

    Sincerely Richard
     
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  11. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Hi

    With the new caps the sound is a new discovery!! Treble and bass 100% better.... Actually everyone by now should be changing caps.


    Gustavo
     
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  12. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    This one is the ES 120, you can manage torque, so no damage screws hahahah, you should try it..

    Gustavo
     
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  13. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Hi Richard,

    I just recapped all my Walkman's with Nichicom caps, another sounding machines definitely.

    Regards,
    Gustavo
     
  14. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Among the best ones.

    Gustavo

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  15. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    And why not polish the capstan flywheel? Will look beautiful inside..;)

    Gustavo

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  16. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Last but not least, one of the door hinges was broke “accidentally “ jejeje but just bought the fix part and works perfectly, pretty easy to bond.


    Gustavo

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    Last edited: Dec 26, 2021
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  17. radiorich

    radiorich Active Member

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    Hello Gustavo,
    Nice repair !
     
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  18. Gustavo Fernández Johnson

    Gustavo Fernández Johnson Member

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    Thanks, it was very satisfying.

    Gustavo
     
  19. radiorich

    radiorich Active Member

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    Hello Gustavo,
    my last total recap was a Jcpenny's model 44375 which was made by Panasonic AM/FM - Phono
     
  20. Silverera

    Silverera Active Member

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    Oh yes. That door hinge on DD's is so easy to damage if the door has too much force applied when removing flat batteries for instance. A tip especially with NiMH rechargeable AA cells is remove the outer battery first, the one further away from the capstans, using a small jewellery screwdriver to lift the battery gently out of the bay. The older alkaline batteries from the 80's were slimmer fitting than new NiMH batteries which have a lot of advantages but not when your hand slips removing a tight fitting battery and the back of your hand strikes the open cassette door. Often a disaster!
     

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