ASUS N550J charging issues

A while ago, my roomate broke his laptop. It wouldn’t charge, but it wasn’t something obvious like a busted charger or anything like that. So, I helped him move all of his important files to a new machine, but I haven’t had time to look at the old one for a while. Now that I’m starting to settle in at my new job, I have a bit more free time at the end of the day when I get to play with projects.

Liquid corrosion on connector and cable
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Pioneer SA-9100 noisy channel

A few weeks ago, I fixed the issue with the protection circuit. I forgot to document the repair, so I’m going to go back later and write up what the issues were if anyone else needs to read that. Since then, it’s sounded pretty good, but recently after a while of listening (about 1-2 hours) the left channel will drop out due to some noise. It makes it unbearable to listen to, and the volume knob doesn’t do anything to lower the static, just the right channel.

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