The PlayStation 3 (or commonly known as the PS3) is the third home computer entertainment system produced by Sony Computer Entertainment, and the successor to the PlayStation 2. It was released November 11, 2006

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What causes the power supply to get too hot?

A common thing we see is the power supply in the older model Playstation 3 systems get extremely hot and have to be replaced. One problem is the metal shielding they used and Sony fixed that in the newer models with a plastic casing but the power supplys are not universal.

For an old school electrican out there, what would cause the power supply to heat up that much? If a capacitor gets too hot, they usually pop and you can see the evidence of it so it has to be some other component causing the issue.

The only people that really do the repair on these are in China and the shipping costs get expensive :S

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+ Good question! I'd guess it's failing (but not yet failed) capacitors, but I'm not a power supply expert.

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The biggest single cause I find for that kind of heat is resistance along the lines of current. A connection becomes slightly loose or a little corroded causing resistance to the flow of current. Resistance to current flow creates heat. Of course I can't say for certain that's the cause of your problem but it is a common source of heat in electrical and electronic systems.

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+ agreed

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I would say it's the power regulation section. In taking apart some computer power supplies, I've seen power transistors and voltage regulators that were heavily heatsink'd. They are most likely the culprit, but it could also be a transformer, though at the power the PS3 operates, that's most likely not it.

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