On Sat, Aug 10, 2019 at 02:43 PM, Chuck Harris wrote:
The tape certainly won't cause any harm, but there were
tens of thousands, and still are hundreds of these scopes that
never suffered this failure on their own.
My guess is someone got aggressive with the wire, and tugged
it hard, which caused the resistor to rotate into the chassis.
Good job in finding the problem.
-Chuck Harris
Or someone at the auction preview decided to monkey with it, knowing it would cause a short and make it seem like the scope is dead. Either way, it's working now.
Sean
