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Rebuilding R-390A Power Supply Caps. Step by Step With Photos

Discussion in '"Boat Anchor" & Classic Equipment' started by KC8VWM, Apr 16, 2016.

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  1. K0OKS

    K0OKS Premium Subscriber QRZ Page

    I haven't made it through the entire thread yet, but wow! Nice job and great score. I like the trick with the drill to clean out the old cans. I have used a screwdriver, and tried the boiling water trick too. After those I try to just mount the new caps underneath. I see that wouldn't work for you, though.

    Anyway, well done.
    KC8VWM likes this.
  2. KC8VWM

    KC8VWM Ham Member QRZ Page

    FYI I have another 2 of these OEM A&M meters now up for grabs as of 12/3/17

    Attached Files:

    Last edited: Dec 4, 2017
  3. KC8VWM

    KC8VWM Ham Member QRZ Page

    A Christmas audio recording pulled directly from the R-390A .

    Shortwave Station WTWW 5.085 MHz.

    Merry Christmas! :)
    Last edited: Dec 26, 2017
    KB2FCV and KF5RRF like this.
  4. W3KHG

    W3KHG XML Subscriber QRZ Page

    One of the best articles I have ever seen if not the best. Congratulations on your find, documentation, and a great inspirational article.

    Merry Christmas!

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