I have a Tektronix 465B. I bought it used because it was one of the scopes recommended by folks who post here and on the electronics basic group. And I know hardly anything about oscilloscopes. It has worked very well until two days ago. The volts/div switch has one position where the display gets all wanky. I thinks that's the proper technical term. When any other position is chosen on the switch the display works perfectly. In the one bad position the display shows different types of wankyness as I wiggle the selector knob slightly back and forth. So I'm thinking about spraying some Deoxit D5 into the switch. I'll probably need to remove the scope cover to do this. Is this a bad idea? Is there a better solution? Thanks, Eric
- posted
5 years ago