Lenovo Y50-70 - Manual (Page 55)

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Lenovo Y40-70/Y40-80/Y50-70/Y50-80/Y50-70 Touch/ Y50-80 Touch
Figure 8. Removal steps of IO board (continued)
Remove the audio board and card reader board in the direction shown by
arrow 4.
Y50-70/Y50-80/Y50-70 Touch/Y50-80 Touch
Detach the connector in the direction shown by arrow 1, Remove the
screws 2.
Step Screw (quantity) Color Torque
2 M2.0 × 3.0 mm, flat-head, nylok-coated (2)
USB PCB to LOGIC UP (Y50-70/Y50-80/Y50-70
Touch/Y50-80 Touch)
Silver 2.0 kgf*cm