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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
Powerboard H-1129Capactior PCG-
1765MotherboardH-1029-A
Issue description: INCH DUO has a black screen even when powered on.
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Sometimes this happens due to voltage fluctuations on the motherboard. Due to the voltage fluctuations, the powerboard will become corrupted in the process. In rare cases the SOM can also be corrupted. And you You will have to replace powerboard. Guide can be found here /wiki/spaces/EKC/pages/3614408705.
To prevent voltage fluctuations we recommend to replace the motherboard with never version that has different capacitor(H-1029-A) or add a specially crafted cable with the capacitor (PCG-1762), the powerboard and the motherboard. The guide can be found here: /wiki/spaces/EKC/pages/3650846721 . Here you can access a guide for replacing the motherboard in INCH DUO: 3614408705 and /wiki/spaces/EKC/pages/3635019901.
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