k750 key pad problem - GSM-Forum

aziddj · 12-09-2005, 02:07

i have one k750 wich was dead because of water.i cleaned it and i reflow inside.now the phone work but only key no 2 , 8 . 4 are working.the other no.i think i have made the mistake with hot air.but i don t know where .i don t want to touch the phone untill somebody will tell me who s responsable with keys.do u have any shematics.i did nt find.thank you in advancess.

led-store@com · 12-20-2005, 00:36

Quote:

Originally Posted by aziddj

i have one k750 wich was dead because of water.i cleaned it and i reflow inside.now the phone work but only key no 2 , 8 . 4 are working.the other no.i think i have made the mistake with hot air.but i don t know where .i don t want to touch the phone untill somebody will tell me who s responsable with keys.do u have any shematics.i did nt find.thank you in advancess.

just replace keypad EMI Filter IC

check also for Camerafocus, Memorystick and Mic too.

MOBICOM · 12-27-2005, 21:50

Quote:

Originally Posted by led-store@com

just replace keypad EMI Filter IC
check also for Camerafocus, Memorystick and Mic too.

Where is keypad EMI Filter IC ?
I have one W800 water damaged and don't work 123 and back button.

wbr.

tubbe · 12-28-2005, 05:01

its the crystal placed on the right of the joystickswitch. same as k500, k700...

/Erik

12-09-2005, 02:07	#1 (permalink)
aziddj Junior Member Join Date: Aug 2004 Location: Sighisoara,Romania Age: 45 Posts: 20 Member: 78454 Status: Offline Thanks Meter: 0	k750 key pad problem i have one k750 wich was dead because of water.i cleaned it and i reflow inside.now the phone work but only key no 2 , 8 . 4 are working.the other no.i think i have made the mistake with hot air.but i don t know where .i don t want to touch the phone untill somebody will tell me who s responsable with keys.do u have any shematics.i did nt find.thank you in advancess.

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12-28-2005, 05:01	#4 (permalink)
tubbe Crazy Poster Join Date: Dec 2004 Location: Sweden Age: 43 Posts: 54 Member: 100345 Status: Offline Thanks Meter: 1	its the crystal placed on the right of the joystickswitch. same as k500, k700... /Erik