Lenovo E40-70 Notebook - Manual (Page 70)

• “1050 Hard disk drive or solid-state hybrid drive” on page 58
• “1060 Wireless-LAN /Bluetooth card” on page 60
• “1080 Upper case” on page 62
Removal steps of audio board and audio board cable
Detach Audio board cable connector 1 . Remove one screw 2 , and then remove the audio board in the
direction shown by arrow 3 .
b
c
a
a
Step Screw (quantity) Color Torque
2 M2.5 × 4 mm, flat-head, nylon-coated (1) silver 2.0– 2.5 kgfcm
When installing: make sure that the audio board cable connector is firmly attached.
Peel off the adhesive tape securing the power board, remove one screw 4 , and then remove the power
board in the direction shown by arrow 5 .
d
e
Step Screw (quantity) Color Torque
4 M2 × 3mm, flat-head, nylon-coated (1) black 1.0– 1.5 kgfcm
64 Hardware Maintenance Manual