Yamaha PC2002M restoration

Discussion in 'Yamaha' started by amr2, Apr 4, 2017.

  1. amr2

    amr2 Active Member

    Messages:
    484
    OK, thank you Patrice. I was just asking because of the bad reputation of the VD1212
     

     

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  2. amr2

    amr2 Active Member

    Messages:
    484
    DC Board 2/2
    IMG_1748.JPG

    The first thing to do is remove the glue
    IMG_1749.JPG

    I have some Epcos MKP in "my stock", so I've put them in place of the original films caps
    IMG_1751.JPG

    and I've finally changed the electrolitic capacitors
    IMG_1752.JPG

    and that's all for now...
    IMG_1750.JPG
     
    Last edited: May 14, 2017
  3. clinic-audio

    clinic-audio all on YAMAHA untill 1990

    Messages:
    1,947
    Location:
    France
    Very clean
    Good
     
  4. Vint Age

    Vint Age B-1 With Yamaha

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    2,200
    VD1212 only have a bad reputation because people confuse them with the Sony VD1221 that definitely has a bad reputation.
     
  5. amr2

    amr2 Active Member

    Messages:
    484
    Good to know! Thank you.
     
  6. amr2

    amr2 Active Member

    Messages:
    484
    Bottom side. Before:

    IMG_1760.JPG IMG_1761.JPG

    After

    IMG_1763.JPG IMG_1764.JPG
     
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  7. amr2

    amr2 Active Member

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    484
    Power supply caps. UCCs are exactly the same size as the originals. Epcos are somewhat shorter. Easy to fix.

    IMG_1773.JPG IMG_1775.JPG
     
    Last edited: May 7, 2017
  8. amr2

    amr2 Active Member

    Messages:
    484
    New lamps just installed. They are smaller than the originals (3mm vs 4mm), but they will do the trick.

    IMG_1792.JPG IMG_1794.JPG
     
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  9. amr2

    amr2 Active Member

    Messages:
    484
    MD Board. General cleaning and new caps

    Top side:
    IMG_1796.JPG

    Bottom side, before and after:
    IMG_1795.JPG IMG_1797.JPG
     
  10. amr2

    amr2 Active Member

    Messages:
    484
    IMG_1810.JPG
     
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  11. MannyE

    MannyE Exterminate! Subscriber

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    Location:
    Miami Beach
    Beautiful work! Looking forward to seeing the finished product and getting your listening impressions! Where do you live?
     

     

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  12. amr2

    amr2 Active Member

    Messages:
    484
    Thanks! Boards DA/DB and DC 1/2 still needs to be cleaned and recaped. The aluminium parts are going to be anodized this week. I live in Spain.
     
    Last edited: May 14, 2017
  13. amr2

    amr2 Active Member

    Messages:
    484
    DC Board 1/2
    IMG_1850.JPG IMG_1851.JPG

    Caps removed:
    IMG_1863.JPG IMG_1861.JPG

    Board cleaned:
    IMG_1865.JPG

    New caps installed:
    IMG_1870.JPG IMG_1869.JPG

    Botton side, before and after:
    IMG_1866.JPG IMG_1872.JPG
     
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  14. amr2

    amr2 Active Member

    Messages:
    484
    Power switch:

    IMG_1828.JPG IMG_1834.JPG IMG_1838.JPG IMG_1849.JPG
     
  15. amr2

    amr2 Active Member

    Messages:
    484
    Disassembling the meters
    IMG_1873.JPG
     
  16. SoCal Sam

    SoCal Sam Lunatic Member

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    17,748
    What I would give just to borrow your driver boards to test my amps.... Nice job!
     
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  17. Mr. Yamaha

    Mr. Yamaha Not so much Yamaha lately... Subscriber

    Messages:
    842
    Location:
    Amsterdam Area, The Netherlands
    Great work!
     
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  18. amr2

    amr2 Active Member

    Messages:
    484
    Meters cleaned and polished. They look brand new! :)

    IMG_1874.JPG
     
    Last edited: May 15, 2017
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  19. Bert 1100

    Bert 1100 Super Member

    Messages:
    1,157
    Location:
    Planquiri, Switzerland
    Very nice ! Can't wait to see it back together and like new :D
     
  20. amr2

    amr2 Active Member

    Messages:
    484
    To get rid of the scratches, this time I used this:

    IMG_1919.JPG

    And it works really well. Look at this scratched area near the "100w" text

    IMG_1910.JPG

    2 minutes later:

    IMG_1917.JPG
     
    Last edited: May 17, 2017

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