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In 2014, I bought a Tektronix 465 oscilloscope. I knew this oscilloscope because I used it as an engineer at Pie Medical Imaging in Maastricht in 1982. Used Tektronix 465 / 475 oscilloscopes can be bought for little money if they have a defect, and it is easy to repair them.

It is not that I cannot afford a new digital oscilloscope, but an antique 40-year-old Tektronix 465 just works very nice.

My oscilloscope had a few bad contacts, but because they responded to the smallest vibration, it was very hard to find them. But in the end, I was able to fix them.

Tektronix 465 repair
Tektronix 465 repair

Tektronix 465 repair broken resistor
Tektronix 465 repair broken resistor

Tektronix 465 vertical output board 670-2238 repair

In case of a defect or poor contacts, first check the high-voltage resistors on the vertical output board. Because the connecting wires are not made of copper, the solder joints get bad.

Tektronix 465 vertical output board repair
Tektronix 465 vertical output board repair

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