Lenovo U 160 Service Manual

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Lenovo IdeaPad U160/U165
1040 Keyboard
For access, remove this FRU:
• “1010 Battery pack” on page 34
Figure 4. Removal steps of keyboard
Remove three screws 1.
1
11
StepScrew (quantity)ColorTorque
1M2 × 2 mm, flat-head, nylok-coated (3)Black1.6 kgfcm 
						

							
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IdeaPad U160/U165 Hardware Maintenance Manual

Figure 4. Removal steps of keyboard (continued)
Lift the keyboard a little, detach the connector in the direction shown by arrows 
2 3, and then remove the keyboard 4.

4

23

When installing: Make sure that the FPC connector is attached firmly.  
						

							
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Lenovo IdeaPad U160/U165

1050 Base cover
For access, remove these FRUs in order:
• “1010 Battery pack” on page 34
• “1040 Keyboard” on page 37
Figure 5. Removal steps of base cover
Remove two screws 1 and one screw 2.

21
1
1

StepScrew (quantity)ColorTorque
1M2 × 5 mm, flat-head, nylok-coated (3)White1.6 kgfcm
2M2 × 2.5 mm, flat-head, nylok-coated (1)White1.6 kgfcm 
						

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IdeaPad U160/U165 Hardware Maintenance Manual
Figure 5. Removal steps of base cover (continued)
Remove eight screws 3 on the bottom. Remove the base cover in the direction shown by arrow 4.
3
33
34
3
3
3
3
StepScrew (quantity)ColorTorque
3M2 × 5 mm, flat-head, nylok-coated (8)White 1.6 kgfcm 
						

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Lenovo IdeaPad U160/U165
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. 
a PAINT Label
b PRC/MTM Label
c SYSTEM BARCODE Label
d LAN ID Label
e COA Label
f Rating Labelg Malaysia Homologation Label
h Malaysia Sirim Label (BT)
i WLAN Label (Bluetooth Label if without WLAN Label)
j Bluetooth Label
k Network Access License (for China)
l SAR Label for US/CA
m ENERGY SAVING 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:
a
cd
e
fb
hgij
k
l
m
  
						

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IdeaPad U160/U165 Hardware Maintenance Manual
1060 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order:
• “1010 Battery pack” on page 34
• “1020 Dummy card” on page 35
• “1040 Keyboard” on page 37
• “1050 Base cover” on page 39
Figure 6. Removal steps of PCI Express Mini Card for wireless LAN/WAN
2
2
1
1
Disconnect  two  wireless  LAN  cables  (black,  white)  and  two  wireless  WAN cables  (red,  blue)  in  the  direction  shown  by  arrows 1,  and  then  remove  two screws 2.
In  step 1,  unplug  the  jacks  by  using  the  removal  tool  antenna  RF  connector  
(P/N:  08K7159),  or  pick  up  the  connectors  with  your  fingers  and  gently  unplug them in the direction shown by arrows.
Notes: wireless LAN card has 2 cables in step 1.
  wireless LAN card in some models may have 3 cables in step 1.
 wireless WAN card has 2 cables in step 1.
StepScrew (quantity)ColorTorque
2M2 × 3 mm, flat-head, nylok-coated (2)Black1.6 kgfcm 
						

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Lenovo IdeaPad U160/U165
Figure  6.  Removal  steps  of  PCI  Express  Mini  Card  for  wireless LAN/WAN (continued) 
Remove two cards in the direction shown by arrows 3.
3
3
When installing:
In  models  with  a  wireless  LAN  card  that  has  two  antenna  connectors,  plug • the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card. 
In models with a wireless LAN card that has three antenna connectors, plug • the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack  labeled 3,  and  the  white  cable  (2nd)  (AUX)  into  jack  labeled 2  on  the card.
In  models  with  a  wireless  WAN  card  that  has  two  antenna  connectors,  plug • the  red  cable  into  the  jack  labeled MAIN,  and  the  blue  cable  into  the  jack labeled AUX on the card.  
						

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IdeaPad U160/U165 Hardware Maintenance Manual
1070 LCD unit
For access, remove these FRUs in order: 
• “1010 Battery pack” on page 34
• “1020 Dummy card” on page 35
• “1040 Keyboard” on page 37
• “1050 Base cover” on page 39
• “1060 PCI Express Mini Card for wireless LAN/WAN” on page 42
Figure 7. Removal steps of LCD unit 
Remove the LCD connector 1 and release the LCD cable and antenna cables from the cable guides 2. 
2
2
22
1
Remove two srews 3.
3
3
StepScrew (quantity)ColorTorque
3M2 × 5 mm, flat-head, nylok-coated (2)White1.6 kgfcm 
						

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Lenovo IdeaPad U160/U165
Figure 7. Removal steps of LCD unit (continued)
Swing the LCD hinges in the direction shown by arrows 4.
4
4
Remove the LCD unit in the direction shown by arrow 5.
5 
						

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IdeaPad U160/U165 Hardware Maintenance Manual
1080 Hard disk drive (HDD)
For access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1020 Dummy card” on page 35• “1040 Keyboard” on page 37• “1050 Base cover” on page 39• “1060 PCI Express Mini Card for wireless LAN/WAN” on page 42• “1070 LCD unit” on page 44
Attention: 
•	 Do	not 	drop 	the 	hard 	disk 	drive 	or 	apply 	any 	physical 	shock 	to 	it.   The  hard 
disk  drive  is  sensitive  to  physical  shock.  Improper  handling  can  cause  damages 
and permanent loss of data.
•  Before removing the drive, suggest the customer to backup all the information on 
it if possible.
•  Never remove the drive while the system is operating or is in suspend mode.
Figure 8. Removal steps of hard disk drive  
Note:  Remove  two  screws 1  and  then  remove  the  hard  disk  drive  in  the direction shown by arrow 2.
1
1
StepScrew (quantity)ColorTorque
1M2 × 5 mm, flat-head, nylok-coated (2)White1.6 kgfcm 
2