Asus Fonepad 7 Tablet stuck on boot logo, and can't be booted into Recovery mode
Can you enter the droidboot mode by pressing the volume up and  power key, simultaneously. If yes, than you can install the firmware by using either   asus flashtool or adb command or using IntelAndroid- launcher.bat. 

If you are unable to enter the droidboot mode, than you need to used the xfstk tool.