Lenovo Yoga 2 Service Manual

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Lenovo Yoga 2 Pro (13″)
Figure 3. Removal steps of LCD unit (continued)
Open the hinges 4, then remove the upper case from the LCD unit 5.
4
4
5 
						

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
1040 System board
Important 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.
•	 During	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.
For access, remove these FRUs in order:
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36 
						

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Lenovo Yoga 2 Pro (13″)
Figure 4. Removal steps of system board
Detach the connectors in the direction shown by arrows 1, 2 and 3. Remove 
the FPC in the direction shown by arrow 4. Then remove the screws 5.
3
11
11
2222
5
5
5
5
34
StepScrew (quantity)ColorTorque
5M2 × 3.5 mm, flat-head, nylok-coated (5)MB to UpperBlack1.85+/-0.15 kgf*cm 
						

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
Figure 4. Removal steps of system board (continued)
Remove the system board 6.
6 
						

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Lenovo Yoga 2 Pro (13″)
1050 Fan assembly and heat sink assembly
For access, remove these FRUs in order:
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36• “1040 System board” on page 38
Figure 5. Removal steps of fan assembly and heat sink assembly
Disconnect the fan connectors in the direction shown by arrows 1.
1
1
When installing: Make sure that the connectors are attached firmly. 
						

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
Figure 5. Removal steps of hard disk drive and solid state disk (continued)
Turn over the system board, then loosen the screws 2.
2222
Lift the fan assembly and heat sink assembly in the direction shown by a\
rrow 3. Be careful not to damage the connector.
3
Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with component\
s. 
						

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Lenovo Yoga 2 Pro (13″)
1060 PCI Express Mini Card for wireless LAN
For access, remove these FRUs in order:
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36• “1040 System board” on page 38
Figure 6. Removal steps of PCI Express Mini Card for wireless LAN
Disconnect the two wireless LAN cables (black, white) 1, and then remove the screw 2. Remove the card in the direction shown by arrow 3.
11
2
3
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 the arrows.
Notes: The wireless LAN card has 2 cables in step 1.
  The wireless LAN card in some models might have 3 cables in step 1.
StepScrew (quantity)ColorTorque
2M2 × 2.5 mm, flat-head, nylok-coated (1)  WLAN to UpperBlack1.85+/-0.15 kgf*cm
When installing:
When installing the wireless LAN card,  plug the black cable into the jack labeled MAIN and the white cable into the jack labeled AUX. 
						

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
1070 Solid state disk 
For access, remove these FRUs in order: 
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36• “1040 System board” on page 38
Figure 7. Removal steps of solid state disk
Remove the screw 1, then remove the solid state disk in the direction shown by arrow 2.
1
2
StepScrew (quantity)ColorTorque
1M2 × 3.5 mm, flat-head, nylok-coated (1)  SSD to UpperBlack1.85+/-0.15 kgf*cm 
						

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Lenovo Yoga 2 Pro (13″)
1080 Audio board and SSD board
For access, remove these FRUs in order:
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36• “1040 System board” on page 38• “1060 PCI Express Mini Card for wireless LAN” on page 43• “1070 Solid state disk” on page 44
Figure 8. Removal steps of audio board and SSD board
Remove the screws 1, then remove the audio board and the SSD board in the direction shown by arrows 2.
11
1
1
2
2
StepScrew (quantity)ColorTorque
1M2 × 3.5 mm, flat-head, nylok-coated (4)  Daughter board to UpperBlack1.85+/-0.15 kgf*cm 
						

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
1090 Keyboard bezel
For access, remove these FRUs in order:
• “1010 Base cover” on page 33• “1020 Battery pack” on page 35• “1030 LCD unit” on page 36• “1040 System board” on page 38• “1060 PCI Express Mini Card for wireless LAN” on page 43• “1070 Solid state disk” on page 44• “1080 Audio board and SSD board” on page 45
Figure 9. Removal steps of keyboard bezel
Unplug the connectors in the directions shown by arrows 1 and 2. Remove the FFC and DC-in cables in the direction shown by arrows 3.
2
1
2
1
3
33