PS4 turns off after 5 minutes, troubleshooting & repair tips requested - Sopuli

Hello, so my old PS4 (Gen 1, I think, not a huge console person, it’s my Bloodborne machine and nothing else) has an issue: it turns off after about 5 minutes of it being on, and when it reboots, it goes to safe mode, does some scans, boots and it happens again within 5 minutes. At first I thought it was a heating issue or the old HDD breaking down, so I cleaned it thoroughly and replaced HDD with a new SSD. Issue did not go away, so in the name of troubleshooting, I blew cold air into it while it was on, but the exact same thing happened again. Have also reinstalled the OS clean when I swapped to the SSD, didn’t do any cloning shenanigans. Currently my theory is either the main board or PSU that’s broken. One other idea I had was that the thermal compound has gone bad on CPU/GPU, but haven’t tried replacing that yet, it seemed unlikely to be the issue after I increased the cooling temporarily, should have at least seen an increase in the time it stayed on by my logic. I have another PS4 I found for free on second hand market app, seller said the PSU broke and is missing, but main board should work fine. I’ve been googling this every once in a while, but haven’t found any clear answers. I also took some measurements from the connectors, and they seem to give correct voltages, but haven’t checked current, and haven’t done any long term measurement when it shuts down, so no clue if it’s a voltage spike or undervoltage that causes this issue. My oscilloscope is also out of commision, so that complicates any long term measurements. Does this kind of issue ring a bell for everyone? Any further troubleshooting tips? Should I just plug the PSU into the other PS4 without a PSU and see if the same thing happens? Doesn’t 100% rule out the mainboard being the issue, since I have no idea if the mainboard is a known good component on the spare part one either… I’d really like to finish my Bloodborne perfectionist run some day :)

Repairing a Sega Mega Drive - tchncs

Hi there, first post here. I found a Sega Mega Drive in our basement and am working on restoring it. It turns on, but I have no audio or video. I never used a cartridge-driven console before, so I want to make sure this is not user error. I need to plug in the cartridge before turning on the console, and then there should be a boot screen and eventually the game. Is it possible for the contacts to be too dirty to allow reading the cartridges? And then lastly, I had a peek into the maintenance manual [https://www.manualslib.com/manual/1803726/Sega-Mega-Drive-Pal-G.html?page=32#manual] I may need to exchange hardware parts. Should I need to; do you know any trustworthy sellers in the EU that could have parts compatible with the Mega Drive? I have been looking for a 53.2034 MHz +/-20ppm oscillater since it could be faulty, but couldn’t find any shop that had one with that odd of a MHz frequency. Any advice is appreciated. :)

dualshock 4 mobo side socket for usb ribbon - sh.itjust.works

1000010053 [https://sh.itjust.works/pictrs/image/69a0b3c4-4c23-484a-8da0-12ffd15fd53b.jpeg] I need a replacement for the white plastic socket that the usb/charge board plugs in to. I used hot air to pull out a drifting stick but that also heated and fell off, and of absolutely fucking course, fell into the floor air vent and went on a grand old slippy slide away. Does anyone know the actual name for this part? Everything I have tried searching so far is apparently wrong

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