J14 OEM Debug Connector

Inside the device is a OEM connector labeld J14 that probably served as development and debug access for components of the device.

How to access J14

Open your device according to this IFIXIT Guide:

https://de.ifixit.com/Teardown/Microsoft+Surface+Teardown/11275

https://www.techrepublic.com/pictures/cracking-open-the-microsoft-surface-with-windows-rt/26/

The pads are coated with a solder mask. The solder mask can be removed carefully with a sharp object.

J14 Connector on Mainboard of SurfacRT - taken from https://arstechnica.com/gadgets/2012/10/under-the-surface-ifixit-breaks-down-microsofts-tablet/ and upscaled

J14 Schematic

If you can identify some pins feel free to update this Schematic template

SurfaceRT-J14-Schematic

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