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  • #1

    Rodgers 750 Service Manual

    Hi everyone,

    I'm new to the forum, but not to organs by any means. Our church's Rodgers Scarborough 750 is having some high pitched bleed-through/signal noise issues and since everything is basically on lockdown right now, I figured I'd take the time to trace it down. Does anyone have a spare/PDF copy of the Service manual for the 750?

    Thanks!
    Proud owner of a Rodgers Cambridge 220-II, a struggling Windsor 840, and a 7 rank Pilcher awaiting reassembly
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  • #2
    There were 2 different 750's--the 750A which would show as 750 on the model number plate, and the 750B which would include the "B" on the model number plate. The 750 has a single row of stops; the 750B has 2 rows.

    In any case, the first thing to try is the "feed through" adjust on the principal keyer or keyers. This is used to "outphase" some of the leakage through the principal keyers--adjust by ear for minimum feed through.
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    • #3
      Ours is a 750A, sorry for the confusion.

      Thanks for the suggestion! I tried adjusting it, but it did not change the noise. I started a new topic in the repair forum since it is more on-topic there
      Proud owner of a Rodgers Cambridge 220-II, a struggling Windsor 840, and a 7 rank Pilcher awaiting reassembly

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