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Tektronix DSA 602 Error

Discussion in 'Electronic Repair' started by Gerhard Knoblinger, Sep 17, 2004.

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  1. Hi,

    during the self test of my Tektronix DSA 602 I get the following error
    messages:

    BLOCK: Acquisition
    AREA: Sweep Tests

    ROUTINE INDEX FAULTS ADDRESS EXPECT ACTUAL
    Sweep IC Reg G3211 1 000138 0010 00D0
    Sweep IC Tst G3221 1 00013D 00CF 00DD

    Because Tektronix does not support this scope any longer I try to
    repair it by my own. With the help of the Service Reference I
    identified the Sweep Controller IC at the A7-Upper Acquisition board -
    but this is not a standard IC I can by from an electonics supplier. I
    am also not sure, if this IC really makes the problems.

    Some hints how to proceed further would be very welcome.

    Thanks

    Gerhard
     
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