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So I opened it up again and I uploaded a photo of the PCB on the back.
On the top of the PCV there are two headers with flex-strips. The left one is not in the picture, because I damaged the power button. The right one goes to the Wacom layer.
On the bottom there are 3 flex connectors. Left is for the Eink screen, the middle one for the LEDs of the frontlight and the right one is for the capacitive touchscreen. (See thumb #2. 7-pin connector. On the strip there is the string "LX-103VIP01GT1" and on the backside right bottom of the touch screen is the string "039-01A1 103TPV2". Touchscreen width x length = 16.45cmx22.2cm and touch screen area is width x length = 16.15 x 21.5. Searching with Google nor AliExpress got no hits.)
So why would the touch screen not work anymore except at the bottom? Could it be that I damaged the strip? Could it be that the touch screen fails when you heat it enough for the glue layer to melt?
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