Lenovo E4430 - Manual (Page 61)

Lenovo E4430 and ZhaoYang E4430
57
1140 Base cover, speakers power assembly and USB
For access, remove these FRUs in order:
• “1010 Battery pack” on page 35
• “1020 Dummy card” on page 36
• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover” on page 37
• “1040 Hard disk drive” on page 38
• “1050 Optical drive” on page 40
• “1060 DIMM” on page 41
• “1070 PCI Express Mini Card for wireless LAN/WAN” on page 42
• “1080 Keyboard” on page 44
• “1090 Keyboard bezel” on page 46
• “1110 LCD unit” on page 52
• “1100 System board” on page 49
Figure 14. Removal steps of base cover, speakers power assembly and USB
Loosen four screws , and then remove the speakers in the direction shown by
arrows .
Step Screw (quantity) Color Torque
M2.0 × 5 flat-head, nylok-coated (4) Black 1.85+/-0.15kgfcm
a
b
a
a a
a
b
b
a