Need tools? Here's a video showing what I use (with links!): https://www.youtube.com/watch?v=MLK649c1_fM In my experience, the X3X series of Pioneer receivers have lots of transistors in them that can be problematic today. I did not restore this unit, but I used my best judgement to make sure potentially fatal components were removed and replaced with modern equivalents. The result is a strong receiver that sounds great!

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