Lenovo M30-70 Hardware Maintenance Manual
48
1090 Speakers, base cover, USB board, power assembly and
power board
For access, remove these FRUs in order:
• “1010 Battery pack” on page 32
• “1020 Hard disk drive” on page 34
• “1030 DIMM” on page 36
• “1040 PCI Express Mini Card for wireless LAN/WAN” on page 37
• “1050 Fan assembly and Heat Sink assembly” on page 39
• “1060 Keyboard” on page 41
• “1070 System board” on page 43
• “1080 LCD unit” on page 46
Figure 9. Speakers, base cover, USB board, power assembly and power board
Remove four screws
, and then remove the speakers in the direction shown
by arrow
.
Remove the power assembly in the direction shown by arrow
.
When installing:
Make sure that the power connector is attached firmly.
Step
Screw (quantity)
Color
Torque
P/N
M2 × 2 mm, flat-head, nylok-coated (4) Black
1.85 kgfcm 90202850
a
b
a
a
a
a
b
b
a
c
c
