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  • #1

    Yamaha EL-90 Capacitor Listing for DM Board

    As promised, here is a document I created which lists all capacitors used on the Yamaha Electone EL-90 DM board.

    Thanks again to pieanoman for providing the capacitor document for the PU board in an earlier thread.

    Hope this helps some folks.
    Attached Files
    Tags: capacitors, el-70, el-87, el-90
  • #2
    Hi vgb14. Would you happen to know the transformer secondary voltages for EL90/70? for some strange reason they are not listed in the Yamaha service manual. Regards Stuart. Compufix

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    • #3
      Many of the 16V electrolytics are on the +/-15V busses, so I'd recommend replacing those with 25V caps.
      Current: Roland AT-900/ATUP-EX, Rodgers 340 Century, Wersi CD700T Spectra
      Past: Rodgers 321 Trio, Conn 552 Theaterette, Hammond RT3/122/HR40, Thomas/Heathkit GD-325D, Hammond S6

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      • #4
        Originally posted by Compufix View Post
        Hi vgb14. Would you happen to know the transformer secondary voltages for EL90/70? for some strange reason they are not listed in the Yamaha service manual. Regards Stuart. Compufix
        The secondary with orange wires measures 8VAC. I didn't measure any others.
        Current: Roland AT-900/ATUP-EX, Rodgers 340 Century, Wersi CD700T Spectra
        Past: Rodgers 321 Trio, Conn 552 Theaterette, Hammond RT3/122/HR40, Thomas/Heathkit GD-325D, Hammond S6

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