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Hardware /
PowerSupplyAs a first action in restoring my PDP8 to a functioning state again (it had been standing around in our basement since 20 years!) I started by checking if the power supply was still working. As it is well known the main trouble with old power supplies are the exploding electolytic condensers. I connected it to a Variac, which I got from my former lab, in order to raise the voltage slowly and check on the various voltages. We took the power supply outside - just in case - and you see the power supply in the next two pictures:
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