Lenovo N 500 Service Manual

							Table 26. Removal steps of system board, PC Card/ExpressCard slots assembly (continued) 
8 
 
 
 
Lenovo 3000 N500 83 
						

							1180 Speakers and base cover 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73 
v 
 
 “1150 Keyboard bezel and LED board L” on page 76 
v 
 
 “1160 LED board R” on page 79 
v 
 
 “1170 System board and ExpressCard slot assembly” on page 80
 Table 27. Removal steps of speakers and base cover 
2
3
3
2
11
 
Step Screw (quantity) Color Torque 

2 M2.5 × 2 mm, wafer-head, nylon-coated (2) Black 1.5 Nm
(2.0
 kgfcm) 
   
 
 
84 Lenovo 3000 N500 Hardware Maintenance Manual 
						

							Note: Applying labels to the base cover
The
 new base cover FRU is shipped with a kit containing labels of several kinds. 
When you replace the base cover, you need to apply the following label: 

a Product label
Following
 labels need to be peeled off from the old base cover, and need to be 
put on the new base cover. 

b Israel label 

c Serial number label 

d Compal serial number label 

e MAC address label 

f Windows license label (COA)
For
 some models, you also need to apply one or two FCC labels. Check the old 
base cover; if it has one or two FCC labels, find duplicates of them in the label 
kit and apply them to the new base cover. 
For the location of each label, refer the following figure: 
a
b
cde
f
   
 
Lenovo 3000 N500 85 
						

							2010 LCD front bezel 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73
 Table 28. Removal steps of LCD front bezel 
1
1
1
1
1
1
 
Step Screw cap Screw (quantity) Color Torque 

1  M2.5 × 4 mm, bind-head, 
nylon-coated (6) 
Black 2.0 Nm
(2.5
 kgfcm) 
22
2
2
2
2
2
2
 
 
 
 
86 Lenovo 3000 N500 Hardware Maintenance Manual 
						

							2020 Inverter card 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73 
v 
 
 “2010 LCD front bezel” on page 86
 Table 29. Removal steps of inverter card 
12
3
3
 
Step Screw (quantity) Color Torque 

1 M2.5 × 5 mm, wafer-head, nylon-coated (1) Black 2.0 Nm
(2.5
 kgfcm) 
 
 
 
Lenovo 3000 N500 87 
						

							2030 Integrated camera 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73 
v 
 
 “2010 LCD front bezel” on page 86 
v 
 
 “2020 Inverter card” on page 87
 Table 30. Removal steps of integrated camera 
1
2
 
Cable routing: When replacing the inverter card, route the connector cable as in 
this figure: 
 
 
88 Lenovo 3000 N500 Hardware Maintenance Manual 
						

							2040 LCD panel, LCD cable, and hinges 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73 
v 
 
 “2010 LCD front bezel” on page 86 
v 
 
 “2020 Inverter card” on page 87 
v 
 
 “2030 Integrated camera” on page 88
 Table 31. Removal steps of LCD panel, LCD cable, and hinges 
11
1
 
Step Screw (quantity) Color Torque 

3 M2.5 × 5 mm, wafer-head, nylon-coated (3) Black 2.0 Nm
(2.5
 kgfcm) 
 
Lenovo 3000 N500 89 
						

							Table 31. Removal steps of LCD panel, LCD cable, and hinges (continued) 
2
3 
5
5
4
4
4
4
 
Step Screw (quantity) Color Torque 

4 M2 × 3 mm, wafer-head, nylon-coated (8) Black 1.0 Nm
(1.5
 kgfcm) 
 
90 Lenovo 3000 N500 Hardware Maintenance Manual 
						

							Table 31. Removal steps of LCD panel, LCD cable, and hinges (continued) 
6
7
 
 
When installing: Make sure that the LCD cable is attached firmly. 
 
 
Lenovo 3000 N500 91 
						

							2050 Antenna assembly and LCD cover 
For access, remove these FRUs in order: 
v   
 “1010 Battery pack” on page 54 
v 
 
 “1090 Wireless LAN card slot cover and PCI Express Mini Card for wireless 
LAN” on page 65 
v 
 
 “ 111 0 Keyboard cover and power board” on page 68 
v 
 
 “1130 Keyboard” on page 71 
v 
 
 “1140 LCD unit” on page 73 
v 
 
 “2010 LCD front bezel” on page 86 
v 
 
 “2020 Inverter card” on page 87 
v 
 
 “2030 Integrated camera” on page 88 
v 
 
 “2040 LCD panel, LCD cable, and hinges” on page 89
 Table 32. Removal steps of antenna assembly and LCD cover 
2
1
1
 
 
When installing: As you route the cables, make sure that they are not subjected 
to any tension. Tension could cause the cables to be damaged by the cable 
guides, or a wire to be broken. 
 
 
92 Lenovo 3000 N500 Hardware Maintenance Manual