where is the rx tx gnd of this mobile g-tide g19 - GSM-Forum

idiris1111 · 04-12-2011, 15:32

i can,t see the cercute tx rx gand etc
plez help..............

InfinityHelp · 04-12-2011, 19:15

hello!

1. set multimeter to voltage measuring.
2. power Onphone
3. set one multimeter probe to some grounded phone part
(if you cant find grounded part outside phone- you need to take out small thin wire from negative battery terminal)
4. with second probe touch one by one all phone pins (phone must be powered On)
(to get better result i would advice to set needle on the end of second probe)

memorise pins with voltage between 2,7-2,9volts.
those are tx/rx

04-12-2011, 15:32	#1 (permalink)
idiris1111 Insane Poster Join Date: Feb 2011 Posts: 98 Member: 1521704 Status: Offline Sonork: 012 Thanks Meter: 2	where is the rx tx gnd of this mobile g-tide g19 i can,t see the cercute tx rx gand etc plez help..............

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04-12-2011, 19:15	#2 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! 1. set multimeter to voltage measuring. 2. power Onphone 3. set one multimeter probe to some grounded phone part (if you cant find grounded part outside phone- you need to take out small thin wire from negative battery terminal) 4. with second probe touch one by one all phone pins (phone must be powered On) (to get better result i would advice to set needle on the end of second probe) memorise pins with voltage between 2,7-2,9volts. those are tx/rx