Re: Tektronix 475 Oscilloscope - Help With Repair

 

It's possible that the trace is off-screen, usually due to a failure in the vertical amp.I think ch 2 has an invert switch.  If so, invert the ch & see if the position indicator lights go the opposite direction.
HankC, Boston,  WA1HOS

Join TekScopes@groups.io to automatically receive all group messages.