t28 charging prob - GSM-Forum

kgb · 04-09-2003, 07:24

hi
I have strange problem t28
baterry is emty 2.98v
after few minutes phone indikate charginig (bat ~3.4v)
if leave long time charge, phone turn off (bat 2.98v)
bat ok
phone with full charged bat work fine .

johny3310 · 04-09-2003, 11:56

Change power IC (BGA on the left side of PA), check all condenstators around it, chack transistors in bottom left, and try to resolder bottom plug-in connector.

kgb · 04-14-2003, 07:38

problem sloved
i change power ic
thanks

04-09-2003, 07:24	#1 (permalink)
kgb Junior Member Join Date: Feb 2001 Location: lithuania Posts: 26 Member: 3282 Status: Offline Thanks Meter: 0	t28 charging prob hi I have strange problem t28 baterry is emty 2.98v after few minutes phone indikate charginig (bat ~3.4v) if leave long time charge, phone turn off (bat 2.98v) bat ok phone with full charged bat work fine .

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04-09-2003, 11:56	#2 (permalink)
johny3310 Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49 Posts: 499 Member: 14004 Status: Offline Thanks Meter: 6	Change power IC (BGA on the left side of PA), check all condenstators around it, chack transistors in bottom left, and try to resolder bottom plug-in connector.

04-14-2003, 07:38	#3 (permalink)
kgb Junior Member Join Date: Feb 2001 Location: lithuania Posts: 26 Member: 3282 Status: Offline Thanks Meter: 0	problem sloved i change power ic thanks