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Gould Advance OS3300B Help please.

Discussion in 'Datasheets, Manuals and Component Identification' started by Hotiron, Dec 18, 2010.

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  1. Hotiron


    Dec 18, 2010
    Hi does anyone have experience of this old scope?
    It has lost its timebase or trigger not quite sure which one.
    I found some dry joints on the bright up amp and a couple of scorched resistors eg R984 Feeding TR970 And R992 cathode supply. R991 is open Heater supply.
    However the service manual I bought has some missing pages and of course one of them is the Brightup Xamp component list.
    Switching X10 on and of produces a one shot trace
    I've Changed all the old electrolytic caps.
    Anyone got a service manual with the missing page
    Any help would be greatly appreciated as this old girl has been my pal for 25 years and I would be sad to see her go.

    Attached Files:

    • Xamp.jpg
      File size:
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  2. Hotiron


    Dec 18, 2010
    Bump!? :confused:
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