Lenovo A730 All-in-One IdeaCentre - Manual (Page 57)

Step 8. Remove the scalar shielding and set it aside.
Step 9. Disconnect all the cables from the scalar board.
Step 10. Remove the 5 screws that secure the scalar board to the middle frame and lift it up to remove it.
W LAN
Ca me ra
Conve rte r
Touch control
S ca la r
HDMI/DVI
LED/CIR
LVDS
MMB
P owe r
Blue tooth
Step 11. To install the new scalar board:
Chapter 8 . Replacing hardware 51