Oh well, today I bought a dead Raspberry Pi 4B 8GB for repair.

I checked 3V3 at the post office and found low resistance - surely a dead PMIC I thought and was too lazy to check the coils around it. Turned out to be a dead CPU.

At first I got a bit upset, but then I remembered that I wanted to try replacing a CPU on a Pi for a while.

So I did. Turns out it's not that big of a deal. Though I did it twice - here's why... —>

#raspberrypi #repair #electronics #electronicsrepair #bga