HOX PJ46100 DEAD, NO LIGHTS, as knowing that component is wrong, please help

Hello friends, good night …. hope they are good at all;
I need your help please
to repair my phone HTC ONE X PJ46100
– No power (black screen)
– BUT if it reaches 100% load (I say by the green LED)
– How do I know which part of the phone is wrong or (ill-fated)
Could someone please help me fix it,
I will be infinitely grateful to that person 🙁 .. 🙁
leave me any social network, facebook, or email to discuss CONSTANTLY PLEASE …
I hope you have a few minutes, and hopefully prompt response,
*** bless you brothers