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The following procedure can only be performed by a licensed electrician. If not following all the safety precautions there is risk of electric shock. |
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🛠️ Tools required
7mm spanner
Large Phillips screwdriver
Small Phillips screwdriver
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⚙️ Spare parts required
Motherboard H-1029-A
Issue description: Inch Duo is in booting stage and the reboot of the station doesn't help.
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Sometimes this happens due to voltage fluctuations on the motherboard. The SOM then becomes corrupted and stays in boot loop, so it needs to be replaced.
To prevent the voltage fluctuations we recommend to replace replacing the motherboard with never version that has different capacitor (H-1029-A) or add a specially crafted cable with the capacitor (PCG-1765), , a guide how to add it replace the motherboard in INCH Duo can be found here /wiki/spaces/EKC/pages/3650846721 .Here you can access a guide for replacing the motherboard in INCH DUO: /wiki/spaces/EKC/pages/3635019901.
Replacement process:
Hold the SOM with fingers and carefully lift it (SOM is connected to the motherboard with two multi pin connectors and two PCB spacers – marked in red).
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Install PCB spacers on motherboard and align new SOM with PCB spacers and multi pin connectors on motherboard.
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