Lenovo G70 Manual

							Lenovo G70-70/G70-80/Z70-80
47
Figure 9. Removal steps of keyboard (continued)
Push the back of the keyboard in the direction shown by the arrow. 
						

							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
48
Figure 9. Removal steps of keyboard (continued)
Loosen the keyboard with fingers in the direction shown by arrow  .
b
b 
						

							Lenovo G70-70/G70-80/Z70-80
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Figure 9. Removal steps of keyboard (continued)
Lift the keyboard a little  . Pull the keyboard connector slot cover upward as 
shown by arrow  , and detach the keyboard cable from the keyboard 
connector in the direction shown by arrow  .
cde
c
ed 
						

							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
501100 Keyboard bezel
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
 “1040 Hard disk drive” on page 37
 “1050 DIMM” on page 40
 “1060 PCI Express Mini Card for wireless LAN/WAN” on page 41
 “1070 Optical drive” on page 43
 “1080 Fan assembly” on page 45
 “1090 Keyboard” on page 46
Figure 10. Removal steps of keyboard bezel
Remove the eleven screws  , two screws   on the bottom.
StepScrew (quantity)ColorTorque
M2.5 × 7 mm, flat-head, nylokcoated (11)
M2.5 × 5 mm, flat-head, nylok-coated (2)Black
White3.0 kgfcm
3.0 kgfcm
ab
a
a
a
a
b
b
aa
a
a
a
aa
a 
						

							Lenovo G70-70/G70-80/Z70-80
51
Figure 10. Removal steps of keyboard bezel (continued)
Remove the screws  .
StepScrew (quantity)ColorTorque
M2.5 × 4 mm, flat-head, nylok-coated (3) Black 3.0 kgfcm
c
c
c
c
d 
						

							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
52
Figure 10. Removal steps of keyboard bezel (continued)
Pull the touch pad, LED indicator board and power board connector slot cover 
upward as shown by arrow  , and detach the touch pad, LED indicator and 
power board cable from the touch pad, LED indicator and power board 
connector in the direction shown by arrow  .
When installing: Make sure that all the FPC connectors are attached firmly.
d
e
ed 
						

							Lenovo G70-70/G70-80/Z70-80
53
Figure 10. Removal steps of keyboard bezel (continued)
Remove the keyboard bezel in the direction shown by arrow  .
f
f 
						

							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
541110 System board
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1020 Dummy card” on page 35
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
 “1040 Hard disk drive” on page 37
 “1050 DIMM” on page 40
 “1060 PCI Express Mini Card for wireless LAN/WAN” on page 41
 “1070 Optical drive” on page 43
 “1080 Fan assembly” on page 45
 “1090 Keyboard” on page 46
 “1100 Keyboard bezel” on page 50Important notices for handling the system board:
When handling the system board, bear the following in mind.
 Be careful not to drop the system board on a bench top that has a hard 
surface, such as metal, wood, or composite.
 Avoid rough handling of any kind.
 In the whole process, make sure not to drop or stack the system board.
 If you put a system board down, make sure to put it only on a padded 
surface such as an ESD mat or conductive corrugated material. 
						

							Lenovo G70-70/G70-80/Z70-80
55
Figure 11. Removal steps of system board
Loosen the screws  . Detach optical disk drive switch board connector in the 
direction shown by arrow  , USB board connector in the direction shown by 
arrow .
StepScrew (quantity)ColorTorque
M2.5 × 4 mm, flat-head, nylok-coated (3) Black 3.0 kgfcm
a
bc
aa
a
bc
a 
						

							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
56
Figure 11. Removal steps of system board (continued)
Unplug power assembly connector in the direction shown by arrow  , 
disconnect LCD connector in the direction shown by arrow  , unplug speakers 
connector in the direction shown by arrow  . 
def
f
d
e