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Versión renovada del iPhone 3G con velocidades de procesamiento más rápidas. La reparación de este dispositivo es similar a la 3G y requiere destornilladores simples y herramientas de palanca. Modelo A1303 / 16 o 32 GB de capacidad / respaldo de plástico negro o blanco.

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Repairing water damaged iPhone - backlight intermittent

I am repairing a 3gs that had water damage. I took it apart down and gave the logic board a good soak in 90% alcohol, and gently scrubbed it down with a toothbrush (noticing and removing some corrosion that appeared on the 6r8 coil). Backlight worked for 3 days. This could help most people.

I, however, am not most people. The backlight went out again. Soaked the logic board again in alcohol, overnight this time. Worked until I shut the phone off, then no backlight when I turned it on again. Any ideas on this one?

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test the 6r8 is working with a multimeter etc,I'd take a good look at connector 1.. sometimes the coil is fine and it's the pin/pathway that corrodes.

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If you are certain you have a working LCD and that you cleaned the iPhone properly using this as your guide.. It was written for a 3G but does apply to your phone as well. If all that works out, I would go ahead and replace the coil. As you stated in your question " (noticing and removing some corrosion that appeared on the 6r8 coil)", there may be more damage on your coil. Hope this helps, good luck.

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Garrett estará eternamente agradecido.
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