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Old 05-01-2021, 07:45 AM   #1
vugie
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Posts: 5
Karma: 60084
Join Date: May 2021
Device: PocketBook Touch Lux 3
Mainboard change problem - Touch Lux 3 / 626

Hi

I have PocketBook Touch Lux 3 (626). Some time ago it stopped to work (it was a process, but it's a different story) and everything seemed it was power supply section that was dead.
I bought another PB with broken screen with an intention to replace mainboard in mine. But it appeared it is slightly different: touch screen socket location is different (attached picture) and it was impossible to connect the flex there. But there were soldering pads in the old location, so I resoldered the socket (i checked that pads in both location are on the same lines).
PB has started, but the touch screen is not working. I suppose it is caused by different driver in the system. I tried to replace memory card with one from my original mainboard, but PB is not starting with it (screen is not even turning on). I suppose it is caused by device serial number check.

I see following possible solutions:
- to use the card from new mainboard and somehow replace the touch driver
- to use my original card overcome somehow serial number check

Am I right? What and how would you do?
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