Sony α NEX-3N is one of earliest E-Mount NEX(New E-mount eXperience) camera, released 20 February 2013
Flash Assembly
Keypad
LCD assembly
Lens Release Button
Mainboard
Sensor
Shutter
Sony Alpha NEX-3N Disassembly and Shutter Repair
These are some common tools used to work on this device. You might not need every tool for every procedure.
Phillips #00 Screwdriver
Tweezers