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Fourth generation of CDMA iPad 4. Available in 16, 32, or 64 GB models. Model Number A1460.

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iPad 4 Logic Board Schematic - Backlight Circuits

With the understanding the the complete schematic would be illegal to post, I'd like to see if someone could post a picture of an iPad 4 logic board with the various components of the backlight circuits highlighted and ID'd.

Any additional information that could be provided (like coil, filter and voltage chip specs) would also be greatly appreciated.

I'm working on repairing an iPad 4 that has a faulty backlight circuit, and although I've seen a few pictures on YouTube and on CyberDocLLC, I've yet to see a good picture of the actual iPad 4 motherboard with the components properly id'd and labeled with respect to the specific backlight they are controlling.

The reason I'm asking for the chip specs is so I can order 10-15 of them.

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jessa

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fhhowdy, post some hi-res image of your logic board. I might be able to assist you in your quest. I am looking at most of the schematic right now but need to make sure it'll match

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Apple doesn't label any components on the board, and the trace is mostly buried in the internal layers of the PCB. It is not possible to figure out how it works without the complete schematics. I only have ipad 3 schematics so I doubt ipad 4 ones are not yet available.

If you are still interested, Ifixit and chipworks have taken very high detailed pictures.

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fhhowdy zal eeuwig dankbaar zijn.
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