After the last shutdown on Dec 18, my ZED Box stopped powering on completely. It is now in a “no power” state: the Power LED does not turn on and there are no signs of boot.
1) Symptoms
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Power LED: Does not light up under any condition.
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Boot: No boot activity and no response from peripherals.
2) Troubleshooting performed (isolation)
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I disconnected all peripherals and tested with power only.
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I tested with different power supplies and different cables/outlets.
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Result: The issue persists (no LED and no boot).
3) Hardware identification by Command-Line
From the board, I identified:
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Carrier board: JNX42
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S/N: 07880196
4) Software version (before the failure)
The system was running: head -n 1 /etc/nv_tegra_release # R36 (release), REVISION: 3.0, BOARD: generic, EABI: aarch64
So the device was on L4T/JetPack: R36.3.0.
I need support for An official recovery/diagnostic procedure for the “no LED / no power” condition, including:
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Recommended power-rail checks (steps and expected signals/voltages).
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Any service/recovery mode (internal button, jumper, power sequence, etc.).
Alse, if possible provide access to any available technical documentation for this platform, even if partial:
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Pinout and documentation for the carrier/expansion board and internal connectors.
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Power block diagram and/or reference rail voltages for field diagnostics.
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Access full schematics or block diagrams and reference voltages to measure on the bench and report back