Lenovo ThinkPad Edge E531 Hardware Maintenance Manual - Page 105

Base cover assembly, 1140 System board assembly

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1210 Base cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 62 • "1020 Large bottom cover" on page 63 • "1030 Small bottom cover" on page 64 • "1040 Optical drive or blank bezel" on page 65 • "1060 Hard disk drive assembly or solid-state drive assembly" on page 67 • "1070 Wireless WAN card or M.2 solid-state drive" on page 69 • "1080 Wireless LAN card" on page 72 • "1090 Backup battery" on page 73 • "1100 Thermal fan assembly" on page 73 • "1110 Keyboard" on page 76 • "1120 Keyboard bezel" on page 82 • "1140 System board assembly" on page 85 • "1150 Card reader with USB connector sub card and optical drive sub card" on page 88 • "1160 Lenovo OneLink connector cover" on page 91 • "1170 DC-in bracket and DC-in connector with RJ45 sub card" on page 91 • "1180 Speaker assembly" on page 93 • "1200 LCD unit" on page 95 Chapter 9. Removing or replacing a FRU 99

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1210 Base cover assembly
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 62
•
“1020 Large bottom cover” on page 63
•
“1030 Small bottom cover” on page 64
•
“1040 Optical drive or blank bezel” on page 65
•
“1060 Hard disk drive assembly or solid-state drive assembly” on page 67
•
“1070 Wireless WAN card or M.2 solid-state drive” on page 69
•
“1080 Wireless LAN card” on page 72
•
“1090 Backup battery” on page 73
•
“1100 Thermal fan assembly” on page 73
•
“1110 Keyboard” on page 76
•
“1120 Keyboard bezel” on page 82
•
“1140 System board assembly” on page 85
•
“1150 Card reader with USB connector sub card and optical drive sub card” on page 88
•
“1160 Lenovo OneLink connector cover” on page 91
•
“1170 DC-in bracket and DC-in connector with RJ45 sub card” on page 91
•
“1180 Speaker assembly” on page 93
•
“1200 LCD unit” on page 95
Chapter 9
.
Removing or replacing a FRU
99