d900i problem with keys 7,8,9 not working - GSM-Forum

brandon · 06-25-2009, 15:09

hi i have a d900i that keysn 7,8,9 not working.all others keys now works 100
%.phone had slight liquid damage.resolderd connector replaced keypad flex.theres obviously a track damaged!can someone point me in the rite direction.

amalou · 06-25-2009, 18:06

clean flex or change it

diabel02 · 06-27-2009, 21:51

change flex and ur problem is solved

brandon · 07-25-2009, 10:03

i changed flex already brother its not the problem.problem lies on pcb connector one of the tracks that supplies voltage to the row 7,8,9 key is missing.i tried measuring continuity but cannot find where this row gets powe from?anybody got schematic for this please?

tehseen ahmed · 07-25-2009, 17:27

i think amalou is right............................!

06-25-2009, 15:09	#1 (permalink)
brandon Freak Poster Join Date: Dec 2003 Age: 45 Posts: 400 Member: 45716 Status: Offline Thanks Meter: 38	d900i problem with keys 7,8,9 not working hi i have a d900i that keysn 7,8,9 not working.all others keys now works 100 %.phone had slight liquid damage.resolderd connector replaced keypad flex.theres obviously a track damaged!can someone point me in the rite direction.

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06-25-2009, 18:06	#2 (permalink)
amalou Freak Poster Join Date: Feb 2008 Location: SOUTH AFRICA Posts: 141 Member: 702077 Status: Offline Thanks Meter: 85	clean flex or change it

06-27-2009, 21:51	#3 (permalink)
diabel02 Freak Poster Join Date: Mar 2008 Location: Seguela(Côte d'Ivoire) Posts: 218 Member: 737175 Status: Offline Thanks Meter: 87	change flex and ur problem is solved

07-25-2009, 10:03	#4 (permalink)
brandon Freak Poster Join Date: Dec 2003 Age: 45 Posts: 400 Member: 45716 Status: Offline Thanks Meter: 38	i changed flex already brother its not the problem.problem lies on pcb connector one of the tracks that supplies voltage to the row 7,8,9 key is missing.i tried measuring continuity but cannot find where this row gets powe from?anybody got schematic for this please?

07-25-2009, 17:27	#5 (permalink)
tehseen ahmed Freak Poster Join Date: Mar 2006 Age: 37 Posts: 466 Member: 243070 Status: Offline Thanks Meter: 1,307	i think amalou is right............................!