JIALI K188 pinout need - GSM-Forum

..::ARUN::.. · 01-20-2010, 09:28

JIALI K188 pinout need....

phone has L18A typ socket but some prints are missing ..So i need rx tx & gnd on pcb ....

InfinityHelp · 01-20-2010, 18:02

hello!

isnt it has marked test points?

..::ARUN::.. · 01-21-2010, 08:19

No Sir ...nowhere...

just given points on both sim trays.. & 3 near battery connector..

InfinityHelp · 01-21-2010, 20:25

hello!

we can check them with multimeter. attach battery, power On phone and look for voltages 2.7....2.9 volts

..::ARUN::.. · 01-22-2010, 12:16

If i got 2.7 or 2.9 vold ... then is that rx & tx ?

InfinityHelp · 01-22-2010, 20:39

hello!

yes, Tx/Rx pins will indicate you voltage between 2.7...2.9 volts.
ussually it is smthng like 2,83volts

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01-20-2010, 18:02	#2 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! isnt it has marked test points?

01-21-2010, 08:19	#3 (permalink)
..::ARUN::.. No Life Poster Join Date: Aug 2007 Location: Bharat > Jalandhar Posts: 563 Member: 566335 Status: Offline Thanks Meter: 160	No Sir ...nowhere... just given points on both sim trays.. & 3 near battery connector..

01-21-2010, 20:25	#4 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! we can check them with multimeter. attach battery, power On phone and look for voltages 2.7....2.9 volts

01-22-2010, 12:16	#5 (permalink)
..::ARUN::.. No Life Poster Join Date: Aug 2007 Location: Bharat > Jalandhar Posts: 563 Member: 566335 Status: Offline Thanks Meter: 160	If i got 2.7 or 2.9 vold ... then is that rx & tx ?

01-22-2010, 20:39	#6 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! yes, Tx/Rx pins will indicate you voltage between 2.7...2.9 volts. ussually it is smthng like 2,83volts