Hello! I’ve got a strange issue on this EDM-010. The front Type-A port receives 5V on initial power up, then drops, then comes back, then drops again and remains at 0v. The Type-C port however works just fine.
This particular PS5 has had a lot of work done to it. It originally came to me because of no beep. A number of SBV converters needed to be replaced, in addition to some fuses, and Southbridge also had to be swapped out. After performing these repairs, the PS5 fires up and works just fine. However, the customer informed me their front port doesnt charge controllers and so brought it back.
I’ve thus far managed to deduce that the 5v input originates from a nearby SOIC. This appears to take 12V in and buck it down to 5V. The issue seems to be related to the gate input. For whatever reason, it must suddenly cease to exist or is an incorrect voltage for the SOIC’s intended operation. I’ve already tried swapping the SOIC for a donor and the same behavior persists.
My question is, does 5V input ultimately originate from Southbridge? Like, is it at the top of the circuit chain for whether or not this port even receives power? I have attempted to probe down where this gate input originates, but I have so far come up empty. My next move was to try reflowing Southbridge, but I don’t want to risk the PS5 not working if the gate input doesn’t even have anything to do with it.