Lenovo K49 Hardware Maintenance Manual - Page 69

Power board, 1150 Backup battery, Remove the microphone in the direction shown by the arrow

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Remove the microphone in the direction shown by the arrow 2 . 2 2 1140 Power board For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Optical drive or blank bezel" on page 45 • "1100 Keyboard" on page 55 • "1110 Keyboard bezel" on page 58 Removal steps of power board Remove the screw 1 . Then remove the power board in the direction shown by the arrows 2 .. 2 2 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 1150 Backup battery For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Optical drive or blank bezel" on page 45 • "1100 Keyboard" on page 55 • "1110 Keyboard bezel" on page 58 Color Black Torque 1.85 kgf-cm Chapter 7. Removing and replacing a FRU 63

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Remove the microphone in the direction shown by the arrow
2
.
2
2
1140 Power board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Optical drive or blank bezel” on page 45
•
“1100 Keyboard” on page 55
•
“1110 Keyboard bezel” on page 58
Removal steps of power board
Remove the screw
1
. Then remove the power board in the direction shown by the arrows
2
..
2
1
2
2
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
1150 Backup battery
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Optical drive or blank bezel” on page 45
•
“1100 Keyboard” on page 55
•
“1110 Keyboard bezel” on page 58
Chapter 7
.
Removing and replacing a FRU
63