C905a keypad partially working 4,6,0 out - GSM-Forum

aerial001 · 07-14-2010, 11:30

Numbers 4, 6, 0 and the left key on the joystick do not work. Do I need to replace the IC? It could be related to a disconnected pin or soldering problem. Please advise.

WILUNLOCK · 07-15-2010, 17:33

change to flex of keypad

aerial001 · 07-15-2010, 19:19

Would you explain more why I need to replace the flex?

roney_nexus · 07-16-2010, 07:06

Quote:

Originally Posted by aerial001

Would you explain more why I need to replace the flex?

just you try new keyboard,,,,,if still same ,,you need change main flaxi,,,,,that also can make this problem,,,so try and post result

aerial001 · 07-19-2010, 05:06

So I did nothing, and yesterday my phone went back to normal. Everything is working now. I guess there was some moisture, or water, and it's evaporated now.

mazmaz1 · 07-19-2010, 06:13

Hello
When some keys dosnt work from down side and some from upside ,this isnt key ui prob.
It is circuit prob.
In this case may moisture confuse ui working.

07-14-2010, 11:30	#1 (permalink)
aerial001 Junior Member Join Date: Jul 2010 Posts: 3 Member: 1344876 Status: Offline Thanks Meter: 0	C905a keypad partially working 4,6,0 out Numbers 4, 6, 0 and the left key on the joystick do not work. Do I need to replace the IC? It could be related to a disconnected pin or soldering problem. Please advise.

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07-15-2010, 17:33	#2 (permalink)
WILUNLOCK No Life Poster Join Date: Mar 2008 Location: Colombia Posts: 1,858 Member: 726741 Status: Offline Thanks Meter: 1,256	change to flex of keypad

07-15-2010, 19:19	#3 (permalink)
aerial001 Junior Member Join Date: Jul 2010 Posts: 3 Member: 1344876 Status: Offline Thanks Meter: 0	Would you explain more why I need to replace the flex?

07-19-2010, 05:06	#5 (permalink)
aerial001 Junior Member Join Date: Jul 2010 Posts: 3 Member: 1344876 Status: Offline Thanks Meter: 0	So I did nothing, and yesterday my phone went back to normal. Everything is working now. I guess there was some moisture, or water, and it's evaporated now.

07-19-2010, 06:13	#6 (permalink)
mazmaz1 Freak Poster Join Date: Aug 2006 Posts: 477 Member: 339455 Status: Offline Sonork: 100.1589401 Thanks Meter: 86	Hello When some keys dosnt work from down side and some from upside ,this isnt key ui prob. It is circuit prob. In this case may moisture confuse ui working.