Re: TDS744A input failure.

 

There is a TDS520B service manual which includes schematics giving a
good idea of what is in the attenuator hybrids.

http://bee.mif.pg.gda.pl/ciasteczkowypotwor/Tek/ds520b-cm.pdf

On Mon, 24 Apr 2017 14:55:14 -0400, you wrote:

Are there schematics for those input boards/hybrids? With those somewhat
large relays soldered on them, I don't exactly think of them as hybrids. If
they considered that, my guess is "no"?

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