Problem on 3100 - GSM-Forum

moni_bm · 04-14-2007, 12:54

I got a 3100. It's off-on swithch was broken along with the two small capacitor beside the switch, I replace the switch and both the capacitor, but the mobile is not switching on. The DC power supply shows up to "3" and getting back "0" again when I resease the on button. The mobile is switching on when I connecting it with device.(I have flash it with UFS and JAF).

Please give me solution.

foner · 04-15-2007, 02:41

Look at this picture and make sure the lines are connected.

Or just short between the second pin from the 5 (near UEM) and ground. After that phone should startup on putting battery in mobile. This is just for testing reasons.

mobile123 · 04-15-2007, 08:35

mount the switch on board with some epoxy glue and upper leg is ground and lower track comes from uem some 6 points of solder upper part of UEM. make one jump to lower leg of switch. will on off ok..

04-14-2007, 12:54	#1 (permalink)
moni_bm Junior Member Join Date: Oct 2005 Posts: 24 Member: 195769 Status: Offline Thanks Meter: 0	Problem on 3100 I got a 3100. It's off-on swithch was broken along with the two small capacitor beside the switch, I replace the switch and both the capacitor, but the mobile is not switching on. The DC power supply shows up to "3" and getting back "0" again when I resease the on button. The mobile is switching on when I connecting it with device.(I have flash it with UFS and JAF). Please give me solution.

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04-15-2007, 08:35	#3 (permalink)
mobile123 Junior Member Join Date: Mar 2006 Posts: 37 Member: 240782 Status: Offline Thanks Meter: 8	mount the switch on board with some epoxy glue and upper leg is ground and lower track comes from uem some 6 points of solder upper part of UEM. make one jump to lower leg of switch. will on off ok..