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My k750 has a faulty keypad.
The numbers 123 doesn't work, and neither does right and down on the joystick.
I've got a spare k750, and I tried switching the keypads, but it didn't help, so I know that the problem is not with the keypad itself.
Is there anything else that needs to be changed, or perhaps a part that needs soldering?
try to do a full flash to the phone. I had that problem with a w800 (some keys doesn't work) and after a full flash they started to work
You can try cleaning it.
What should I clean? I've tried with another keypad and the same happened there, so there can't be dirt inside the keypad, and the phone looks clean inside. I've also tried flashing it.
I think that it must be a hardware problem, but it's just so weird that it's only the three buttons and the right, down that doesn't work.
Anyone know if there is like a chip or something that "controls the keypad", that can be replaced/soldered?
You can try clean
there can be hardware defect(a chip or somthing like that)
so I think it's irrepairable :(
But isn't it possible to just solder on a new chip?
http://i127.photobucket.com/albums/p...fc04443jpg.jpg
I think it maybe hardware problem,you can change the keypad IC.
http://i127.photobucket.com/albums/p...fc04443jpg.jpg
I think it maybe hardware problem,you can change the keypad IC.
i have the same problem with yours.. i replaced the damaged controller IC.. but perhaps you could try reheating using hot air... maybe it could help..
hope you can fix your. it took 4months for me to find a replacement IC..
Thanks dude. I'll try it
take it to a service centre, thats what i did to my k750, same problem
No I don't wanna use a lot of money on fixing it. It's not worth that much.
The keypad IC about 10 usd,perhaps you could try change this using hot air.
I can use the IC from a different k750 that I've got. I don't have a hot air gun, but I'll try with a soldering iron.
change it...
That IC only can use hot air gun to change it,can't use soldering iron.
That's too bad. How much is a hot air gun? By the way, wouldn't a hot air gun just heat all of the mainboard?
I would be careful heating the components up dude