BlackBerry DTEK50

From where I can get a BlackBerry DTEK50 motherboard scheme? I have to change an electrical resistance from that.

How do you know you need to change a resistor on the motherboard?

Best you can usually find is a general tear down image that someone has labeled major components on, but I don't know if one exist for any of the newer devices.... as their just isn't much interest in them.

I remember there was lots of interest in technical diagrams on the PlayBook.... but never saw where anything like that got leaked.

All services from my city refused to look at my phone and I sent it to a friend of my brother,who works in a service,but it's not too experienced.He told me about the resistor and need the scheme to change it.