if you think its the color pots just replace them, messing up more color potentiometers and their calibration/settings and disturbing their traces is silly
[Nod.] But on the topic of lifespan and component failure, this is significantly on-topic. If not today at the level of preventative measures like C64 heat sinks, then as a reactive response further down the road. (Or if the overall failure rate spikes in 30 years.)
Edited by jmccorm, Sat Jan 13, 2018 7:46 PM.