Lenovo E4325 Laptop Hardware Maintenance Manual - Lenovo E4325 - Page 68

Power board, 1140 Input/output (I/O) board, Remove the LED board.

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Remove the LED board. 2 1120 Power board For access, remove these FRUs in order: • "1010 Battery pack" on page 50 • "1020 Bottom slot cover" on page 50 • "1030 Optical drive" on page 51 • "1090 Keyboard" on page 56 • "1100 Keyboard bezel" on page 59 Removal steps of power board Remove the screw 1 and then remove the power board. 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 1140 Input/output (I/O) board For access, remove these FRUs in order: • "1010 Battery pack" on page 50 • "1020 Bottom slot cover" on page 50 • "1030 Optical drive" on page 51 • "1090 Keyboard" on page 56 • "1100 Keyboard bezel" on page 59 62 Hardware Maintenance Manual Color Black Torque 1.85 kgf-cm

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Remove the LED board.
2
1120 Power board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 50
•
“1020 Bottom slot cover” on page 50
•
“1030 Optical drive” on page 51
•
“1090 Keyboard” on page 56
•
“1100 Keyboard bezel” on page 59
Removal steps of power board
Remove the screw
1
and then remove the power board.
2
1
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
1140 Input/output (I/O) board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 50
•
“1020 Bottom slot cover” on page 50
•
“1030 Optical drive” on page 51
•
“1090 Keyboard” on page 56
•
“1100 Keyboard bezel” on page 59
62
Hardware Maintenance Manual