Jolla tablet freeze when charging and drain battery [closed]

Jolla tablet freeze when charging and drain battery [answered]

asked 2017-07-17 13:09:40 +0200

ArnaudD
141 ●2 ●8 ●11

updated 2017-08-19 11:29:25 +0200

Alex

10635 ●181 ●247 ●252

Hi,

I got an issue when charging my jolla tablet. Once I plug the power the battery start to charge. But if I let the tablet during some time it become unresponsive and drain the few it charged. Even if the battery was 40% before charging I can find it completely empty.

I encountered the same issue when the tablet is ON or OFF before charging it.

This problem occur more and more frequently. The tablet becomes unusable....

Just in case I tried with 2 different power supply but still the same issue.

The question has been closed for the following reason "the question is answered, an answer was accepted" by Alex
close date 2017-08-19 11:27:48.317353

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Same problem here. I hear there is a contact problem with the usb plug. I also tried different cable and charger. No i will try to replace the plug ..

gabs5807 ( 2017-07-18 23:25:09 +0200 )edit

Is there any tutorial about how to open the jolla tablet? Just to check if it is really the plug.

But it does not explain why the tablet become unresponsive after a while with power plug in. I have to press the power button more than 10s to wake up it, sometimes it works, sometimes not...

ArnaudD ( 2017-07-19 11:13:29 +0200 )edit

@AmaudD: I did not have a tutorial. I got some pictures from @ExPLIT (https://together.jolla.com/users/4887/explit/) you should contact him for the pictures .. He post his email address on some answers.

The freezing of the tables is a new problem on 2.1.0.X i think. I also have it. A work around for me is to power off the tablet before plugin the charger cable carefully. To see weather it loads or not, i make a short press on the power button after a while. I'm not shure that it also is not a result of a contact problem of the USB plug. May be the attached cable interrupts the system to often for the decision about usb mode to use?

gabs5807 ( 2017-07-19 20:46:06 +0200 )edit

answered 2017-08-18 20:58:15 +0200

ArnaudD
141 ●2 ●8 ●11

updated 2017-08-19 10:04:44 +0200

Effectively the issue was coming from the USB plug. The small black part inside was able to move a little bit. One of the USB wires was surely broken and randomly lead to contact failure but sailfish always believed the hardware had external power.

I've able to find a replace part and now it works perfectly. Thanks gabs5807 for the tip. Opening the tablet was not hard.

Edit: As requested in comments I used this replace part: http://www.komposantselectronik.fr/prestashop/connecteur-micro-usb/754-connecteur-micro-usb-b-femelle-a-souder-fixation-4-points-ecartes-90central-5-points-pour-l-usb-pattes-courtes.html . Sorry but I don't have any "official" reference, neither a vendor name.

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Could you tell us which replace part you are using? :)

Alex ( 2017-08-18 22:44:57 +0200 )edit

Can someone give me the correct name for that part? The french site doesnt sell it anymore. USB B soldering 4pin 5 pin???? Thanks much appreciated

hewi ( 2018-03-03 04:11:11 +0200 )edit

Hi hewl,

The 4 pins are on the metal package to solder the component to the mother board and the 5 pins are the USB connections wires at the back of the component.

As I didn't had the name of this part, I've spend some time to look at USB connectors pictures on vendors web sites to find the correct one.... I've order 2 different parts when I was looking for the good one.

Maybe those ones can be used (again the same french web site):

http://www.komposantselectronik.fr/prestashop/connecteur-micro-usb/459-connecteur-micro-usb-b-femelle-a-souder-fixation-4-points-ecartes-90-central-5-points-pour-l-usb-pattes-courtes.html or http://www.komposantselectronik.fr/prestashop/connecteur-micro-usb/753-connecteur-micro-usb-b-femelle-a-souder-fixation-4-points-ecartes-90central-sans-levres-pour-lenovo-s6000.html

ArnaudD ( 2018-03-03 08:35:58 +0200 )edit

FWIW, the Molex 47642-1001 fits more or less. You have to bend away all four holding feet, however, and be very careful when soldering as the casing blocks access to the pins.

raphman ( 2020-09-05 14:41:38 +0200 )edit

Jolla tablet freeze when charging and drain battery [answered]

The question has been closed for the following reason "the question is answered, an answer was accepted" by Alex
close date 2017-08-19 11:27:48.317353

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Jolla tablet freeze when charging and drain battery [answered]

The question has been closed for the following reason "the question is answered, an answer was accepted" by Alex close date 2017-08-19 11:27:48.317353

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The question has been closed for the following reason "the question is answered, an answer was accepted" by Alex
close date 2017-08-19 11:27:48.317353