1140 Lcd Unit - Lenovo ZhaoYang E49 Hardware Maintenance Manual

Removal steps of system board assembly
1
Remove the screws , and then detach the connectors as shown in the following illustration.
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (3)
When installing: Make sure that all the connectors are attached firmly.
Remove the system board in the direction shown by the arrow

1140 LCD unit

For access, remove these FRUs in order:
• "1010 Battery pack" on page 44
• "1020 Optical drive" on page 44
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Hardware Maintenance Manual
Color
Black
6 . Then detach the DC-in cable
Torque
1.85 kgf-cm
7 .