Hi,

I am searching for component level service information on the HP54201D
"Digitizing Oscilloscope".

I have the HP "service manual", however it essentially says "connect the
scope to your HP diagnostic analyzer, hit GO and replace any boards
listed as failed". The only schematic in the entire service manual is for
the power supply.

I'm looking for more detailed information, specifically on the triggering
circuits - schematics, description of operation etc.

If anyone has pointers to such information, or experience with repair of
this scope at a level deeper than "board replacement", please let me
know - it's a great scope and I'd like to keep it going a bit longer...

Dave

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