d900 button problem

[blackillusion]

down button does not work, rest work fine.

When you press the button at the bottom of it on the pcb it works, how do buttons work, can you push whatever is inside up back to the middle to work??

[birkes]

You can try to clean the dust under sub key or try with new sub key.

[blackillusion]

hi i show how i mean
where light blue line is that were button work, wen put sillicon keys back on it only touches middle so does not work how to clean

[birkes]

When I said sub key a mean that silicon key. Try with new one or carefuly clean the old one with alcohol or isoprophanol.Post result

Cheers,
birkes