Lenovo B475e Notebook - Manual (Page 61)

1100 LED board and power board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
• “1020 Bottom slot cover” on page 44
• “1030 Hard disk drive” on page 45
• “1040 Optical drive” on page 47
• “1050 Memory modules” on page 47
• “1060 PCI Express Mini Card for wireless LAN” on page 48
• “1070 Backup battery” on page 49
• “1080 Keyboard” on page 50
• “1090 Keyboard bezel” on page 52
Removal steps of LED board
Peel off the mylar tape 1 and then remove the LED board.
1
Removal steps of power board
Remove the screw 1 and then remove the power board 2 .
1
2
Step Screw (quantity) Color Torque
1 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgf-cm
Chapter 7 . Removing and replacing a FRU 55