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Tektronix DSA 602 Error

G

Gerhard Knoblinger

Jan 1, 1970
0
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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