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I am pouring one out to this little champ. Stripping HDCP and letting me... archive streaming services from 2016-2023 RIP
(lemmy.world)
What killed it, well after reviewing some PS4 gameplay I noticed that it was having audio issues, like it would allow some sounds but not all. It was almost as if it was receiving a 5.1 audio output but was missing the centre channel. Even though the PS4 was set to stereo.
After trying various cables, configs, and boxes. I narrowed it down to this box. Not sure what killed it, whether it's just old, or that it's been powered on for over 5 years straight. But its long service will never be forgotten in the hours of Netflix and Disney Plus it passed through to my recorder.
Provided they don't explode first, ceramic capacitors tend to fail short circuit. If you have a multimeter, do continuity checks across all of them. In-circuit capacitance testing is very inaccurate, so that specific test is almost always moot. Continuity testing may help.
Also, depending on the speed of the multimeter and the charge of the capacitor, it may briefly give you a tone and/or register as a short circuit. Capacitors can register as a short circuit very briefly until they get a slight charge.
The diode at the top right is another easy thing to check. (D12 // SS34) if it's failed short, it will cause issues for you as well.
I am not sure what the component is that is under the heatsink by the USB connector. Sometimes, you may have voltage regulators stepping down the USB 5V to 3.3V. Those are easy to replace as well. However, if it is a USB controller of some kind, you would have to reference the datasheet and test it somehow.
Those are some simple checks you can do, anyway.