[Test-Equipment] Scope info needed

[J. Forster]

jbarnes wrote:

> All the 7603s that I have worked on have linear power supplies.
>
> It is the larger members of the 7000 series scopes that have the switchers.

You could well be right. In that case the problem is much simpler. I had loads of trouble
with a 7704A PS.

> Try operating the unit with 1 or 2 plugins. The power supply short could be in a plugin.

I has a bad bypass cap in a 7L5 that took out the mainframe PS.  I've also seen bad bypass
caps on the interface board, the PCB the plug ins mate with.

-John