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СпутникиРНSpaceXРоскосмосNASAHi! I bought this 360 as untested for a potential old dashboard (manufacture date is 2005/10, and has never been opened until I opened it today).
The problem is, the console has no power. Doesn't respond to power button, eject button, stays off. PSU led is always orange. Here are the things i found: 1.8V standby is okay, 3.3V is okay too, at the power plug from pin 1-3 there is 0V, from pin4-7 there's 0.2V, that grows to 0.3V if plugged in, SMC_RESET_N at J2B1 PIN 6 is always low, no matter what, its at 0V. I tried to power it with my lab psu so i could find whether there's a short (thats potentially feeding back to the power connectors) but nothing. Still no life. The 3.3V is there at the RF Board so that's not the problem, the RF board also work on another motherboard. Already tried to reflow the NAND, Southbridge, and ANA to no success yet. Any ideas what could cause this? I'd appreciate any help! Thanks for reading!EDIT: Forgot to mention, that i measured connectivity between J2B1 Pin 6, and all the points that are mentioned being connected to SMC_RESET_N, and all seems fine.
⟐ Commented August 15, 2026 at 20:57 MST
Hi! I bought this 360 as untested for a potential old dashboard (manufacture date is 2005/10, and has never been opened until I opened it today).
The problem is, the console has no power. Doesn't respond to power button, eject button, stays off. PSU led is always orange. Here are the things i found: 1.8V standby is okay, 3.3V is okay too, at the power plug from pin 1-3 there is 0V, from pin4-7 there's 0.2V, that grows to 0.3V if plugged in, SMC_RESET_N at J2B1 PIN 6 is always low, no matter what, its at 0V. I tried to power it with my lab psu so i could find whether there's a short (thats potentially feeding back to the power connectors) but nothing. Still no life. The 3.3V is there at the RF Board so that's not the problem, the RF board also work on another motherboard. Already tried to reflow the NAND, Southbridge, and ANA to no success yet. Any ideas what could cause this? I'd appreciate any help! Thanks for reading!
EDIT: Forgot to mention, that i measured connectivity between J2B1 Pin 6, and all the points that are mentioned being connected to SMC_RESET_N, and all seems fine.
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