Volt in section.
Step down section
VRM section
Ram section
Chip section (Graphic Section, North Bridge, South Bridge Section)
Battery section (Charging & Discharging Section)
I/O (Input-Output) section
Bios section
LAN section
Sound section
USB section
VGA section
SATA section
3.3v, 5v section
1.2v, 1.8v, 1.5v, 2.5volt section
Odd section
LVDS section (LCD & LED Panel and Screen section)
Keyboard section
Clock generator section
Wi-Fi section
Fan section
RTC section
Soc section
Adaptor circuit
Sensor circuit3
Intel GFX section
Touch pad section
Camera section
SSD section
GFX Section