Lenovo Y 500 Owners Manual

							Lenovo Y400/Y500
57
Figure 11. Removal steps of LCD unit (continued)
Remove the LCD unit in the direction shown by arrows  .
c
Y50
0
c
c 
						

							Lenovo Y400/Y500 Hardware Maintenance Manual
581120 Fan assembly and Heat Sink assembly
For access, remove these FRUs in order:
 see “1010 Battery pack” on page 35
 see “1020 Dummy card” on page 36
 see “1030 Optical drive” on page 37
 see “1040 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 38
 see “1050 Hard disk drive” on page 39
 see “1060 DIMM” on page 41
 see “1070 PCI Express Mini Card for wireless LAN/WAN” on page 42
 see “1080 Keyboard” on page 44
 see “1090 Keyboard bezel” on page 47
 see “1100 System board” on page 51 
						

							Lenovo Y400/Y500
59
Figure 12. Removal steps of fan assembly and heat sink assembly
Detach the fan connector in the direction shown by arrow   and loosen six 
screws   to lift the fan assembly.
When installing: Make sure that the fan connector is attached firmly to the 
system board.
ab
a
b
b
b
bb
b 
						

							Lenovo Y400/Y500 Hardware Maintenance Manual
601130 CPU
For access, remove these FRUs in order:
 see “1010 Battery pack” on page 35
 see “1020 Dummy card” on page 36
 see “1030 Optical drive” on page 37
 see “1040 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 38
 see “1050 Hard disk drive” on page 39
 see “1060 DIMM” on page 41
 see “1070 PCI Express Mini Card for wireless LAN/WAN” on page 42
 see “1080 Keyboard” on page 44
 see “1090 Keyboard bezel” on page 47
 see “1100 System board” on page 51
 see “1120 Fan assembly and Heat Sink assembly” on page 58
Attention: CPU is extremely sensitive. When you service the CPU, avoid any 
kind of rough handling.
Figure 13. Removal steps of CPU
Rotate the head of the screw in the direction shown by arrow   to release the 
lock, then remove the CPU in the direction shown by arrow  .
When installing: Place the CPU on the CPU socket in the direction shown by 
arrow  , and then rotate the head of the screw in the direction shown by arrow 
 to secure the CPU.
ab
b
a
a
b 
						

							Lenovo Y400/Y500
61 1140 Base cover, speakers and power assembly
For access, remove these FRUs in order:
 see “1010 Battery pack” on page 35
 see “1020 Dummy card” on page 36
 see “1030 Optical drive” on page 37
 see “1040 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 38
 see “1050 Hard disk drive” on page 39
 see “1060 DIMM” on page 41
 see “1070 PCI Express Mini Card for wireless LAN/WAN” on page 42
 see “1080 Keyboard” on page 44
 see “1090 Keyboard bezel” on page 47
 see “1100 System board” on page 51
 see “1110 LCD unit” on page 55
 see “1120 Fan assembly and Heat Sink assembly” on page 58
Figure 14. Removal steps of base cover, speakers and power assembly
Loosen four screws  , and then remove the speakers  .
Y400:
StepScrew (quantity)ColorTorque
M2.0 × 2 flat-head, nylok-coated (4) Black 1.0 ~ 1.5 kgfcm
ab
Y400
aa
aab
b
a 
						

							Lenovo Y400/Y500 Hardware Maintenance Manual
62
Figure 14. Removal steps of base cover, speakers and power assembly (continued)
Y500:
StepScrew (quantity)ColorTorque
M2.0 × 3 flat-head, nylok-coated (4) Black 1.0 ~ 1.5 kgfcm
Y50
0
a
aa
a
b
b
a 
						

							Lenovo Y400/Y500
63
Figure 14. Removal steps of base cover, speakers and power assembly (continued)
Y400: Loosen the screws  , then remove the power assembly in the direction 
shown by arrow  .
When installing: Make sure that the power connector is attached firmly.
StepScrew (quantity)ColorTorque
M2.0 × 3 mm, flat-head, nylok-coated (2) Black 1.0 ~ 1.5 kgfcm
ab
Y40
0
a
b
a
a 
						

							Lenovo Y400/Y500 Hardware Maintenance Manual
64
Figure 14. Removal steps of base cover, speakers and power assembly (continued)
Y500: Loosen the screw  , then remove the power assembly in the direction 
shown by arrow  .
StepScrew (quantity)ColorTorque
M2.0 × 3 mm, flat-head, nylok-coated (1) Black 1.0 ~ 1.5 kgfcm
ab
Y50
0
a
b
a 
						

							Lenovo Y400/Y500
65
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: 
The following labels need to be peeled off from the old base cover, and need 
to be put on the new base cover.
Rating Label
INDONESIA D-SIDE LABEL
WLAN Label for BRAZIL
Brazil Label (BT) or WLAN Label for US/CA/TW or WLAN Label 
for INDONESIA or BT Label for US/CA/TW or Indonesia Label 
for BT or SIRIM WLAN Label or SIRIM BT Label or ISRAEL WLAN 
label
PRC/MTM CODE
User guide label
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 to the following figure:
   Y400
Y500
aa
bcfed
aa
bcfed 
						

							Lenovo Y400/Y500 Hardware Maintenance Manual
661150 LCD front bezel
For access, remove these FRUs in order:
 see “1010 Battery pack” on page 35
 see “1020 Dummy card” on page 36
 see “1030 Optical drive” on page 37
 see “1040 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 38
 see “1050 Hard disk drive” on page 39
 see “1060 DIMM” on page 41
 see “1070 PCI Express Mini Card for wireless LAN/WAN” on page 42
 see “1080 Keyboard” on page 44
 see “1090 Keyboard bezel” on page 47
 see “1100 System board” on page 51
 see “1110 LCD unit” on page 55
Figure 15. Removal steps of LCD front bezel
Y400: Remove two screws  .
StepScrew (quantity)ColorTorque
M2 × 4 mm, flat-head, nylok-coated (2) Silver 1.5 ~ 2.0 kgfcm
a
a
a
a