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No change in size ,  16 June 2019
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====Common Problems====
====Common Problems====
The 400 series scopes use tantalum capacitors. They are known to short out and bring the scope down.
The 475 series scopes use tantalum capacitors. They are known to short out and bring the scope down.
Typical symptoms will be no trace, or powering on and going off in few seconds due to built in  foldback protection.
Typical symptoms will be no trace, or powering on and going off in few seconds due to built in  foldback protection.
The shorted capacitor in the power rails will down one (or more) of them and causing entire scope to be non functional.
The shorted capacitor in the power rails will down one (or more) of them and causing entire scope to be non functional.
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