01-07-2021, 02:33 PM
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#1 |
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Junior Member
 Posts: 7
Karma: 10
Join Date: Jul 2020
Device: Kobo Aura 2
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Kobo Hd dead CPU?
Hello,
I've bought a Kobo HD who was not charging. After some quick test I've found three shorted caps arround the charging chip and the charging chip warm a lot when Usb is plugged. After removing the charging chip, the 3 caps were still shorted. I have no other Kobo glo HD but another Aura 2 (who has the same Cpu, same routing, etc). After checking on the Aura2, the caps go to the CPU... So I remove the Glo HD Cpu, shorts are gone. Tomorrow, I will reballing the CPU but I think it is dead. Maybe, I will try to swap with the Aura 2 Cpu. Has anyone ever replaced a Cpu on a Kobo? |
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01-09-2021, 02:56 PM
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#2 |
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Junior Member
Posts: 7
Karma: 10
Join Date: Jul 2020
Device: Kobo Aura 2
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Cpu reballed.
0.25mm ball size is hard ... No luck, the kobo don't boot. I will try again later. |
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01-09-2021, 08:57 PM
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#3 |
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Groupie
 Posts: 154
Karma: 32060
Join Date: Aug 2017
Device: Kobo Aura H2O, Kobo Aura One, Pocketbook Inkpad 3 Pro
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Why settle for an underpowered cpu, solder some old i3 while youre at it :P
 .Good luck with the replacement chip from Aura 2, curious to know the results. |
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