Lenovo B470e Lenovo B470/B470e Hardware Maintenance Manual - Page 61

LCD unit

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Remove the system board in the direction shown by the arrow 3 . 3 b a a When installing: When attaching the system board to the base cover, adjust the placement of the wireless switch and the GPU switch as shown in b , and make sure that both of the audio jack and the microphone jack are attached to the holes on the base cover as shown in a . Improper placement of those switches or jacks might cause a damage. 1110 LCD unit For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Dummy card" on page 44 • "1030 Bottom slot cover" on page 45 • "1040 Hard disk drive" on page 45 • "1050 Optical drive" on page 46 • "1060 Memory modules" on page 47 • "1070 PCI Express Mini Card for wireless LAN/WAN" on page 48 • "1080 Keyboard" on page 49 • "1090 Keyboard bezel" on page 51 • "1100 System board assembly" on page 53 Chapter 7. Removing and replacing a FRU 55

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Remove the system board in the direction shown by the arrow
3
.
b
3
a
a
When installing:
When attaching the system board to the base cover, adjust the placement of the wireless
switch and the GPU switch as shown in
b
, and make sure that both of the audio jack and the microphone
jack are attached to the holes on the base cover as shown in
a
. Improper placement of those switches or
jacks might cause a damage.
1110 LCD unit
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Dummy card” on page 44
•
“1030 Bottom slot cover” on page 45
•
“1040 Hard disk drive” on page 45
•
“1050 Optical drive” on page 46
•
“1060 Memory modules” on page 47
•
“1070 PCI Express Mini Card for wireless LAN/WAN” on page 48
•
“1080 Keyboard” on page 49
•
“1090 Keyboard bezel” on page 51
•
“1100 System board assembly” on page 53
Chapter 7
.
Removing and replacing a FRU
55