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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair


Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 10-11-2012, 10:06   #1 (permalink)
mRC
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Question Samsung i9100 Starts charging then says battery disconnected


Hi all

Samsung i9100 Starts charging then says battery disconnected, i have changed the dock connector and still the same. I have doner a few of these now without a problem but need a bit of help on this one


any ideas people

many thanks

mRC
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Old 10-12-2012, 10:16   #2 (permalink)
mRC
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sorry but not sure how this helps me but its not the battery. the battery is fine
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Old 12-10-2012, 14:25   #3 (permalink)
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Samsung i9100 Starts charging then says battery disconnected plz help
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Old 06-23-2013, 17:37   #4 (permalink)
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hi problem finist ?? i can help solutions
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Old 12-04-2013, 12:08   #5 (permalink)
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how you had fix this problem plz share with us
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Old 12-04-2013, 12:37   #6 (permalink)
mRC
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no sorry not as yet, we have looked into it many times with no fix
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Old 01-26-2014, 18:04   #7 (permalink)
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Battery disconnected

Hi
any solution to this problem? Battery is OK for sure.
Replaced U503 (Charger control) due to dead by water damage - now battery disconnected after 1 second of plugging charger/USB.
any ideas please ?! (it's already been a year...)
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Old 01-26-2014, 18:21   #8 (permalink)
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Battery Disconnected I9100

The phone was back from dead upon replacing U503 (Charging IC).
Since then there was a "High or Low Battery Temperature" message when plugging charger/USB cord and immidiately "Battery Disconnected".
I fixed the Temp issue with 39K fixed resistor instead of TH401.
But now still remain with "Battery Disconnected" when plugged...
When phone is off and plugged I get the yellow triangle with Battery sign striked through (see pic attached)
Please any help appreciated!
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Old 01-26-2014, 18:25   #9 (permalink)
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not charging "Battery Disconnected" upon plugging charger/USB plug to I9100

Attached is the yellow triangle sign of
"Battery Disconnected" (although battery is fine) and phone won't charge!
Which circuit deals with sensing the battery presence?
Samsung Galaxy SII I9100 (SGSII):
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Old 01-26-2014, 18:26   #10 (permalink)
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salut.poti help me and I have a Samsung Galaxy S Plus I9001 I short the battery starts charging when the bag alone now but not loading
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Old 02-05-2014, 20:35   #11 (permalink)
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any solutions to above 'Battery Disconnected"?
which circuit sense the bat?
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Old 07-31-2014, 15:23   #12 (permalink)
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charge battery ok
.. .
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Old 07-31-2014, 16:02   #13 (permalink)
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The this is 100% battery fault I solve many set,s with changing battery .
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Old 08-01-2014, 18:15   #14 (permalink)
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Battery Disconnected fault

Like mRC said, there is no issue with the battery (I replaced it several times)...
Which IC or pin schematic controls the BAT presence ?
Still waiting for solution.
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Old 02-18-2015, 05:04   #15 (permalink)
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Battery Disconnected fault

try measuring barriers bsi if no, replace u501
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