Lenovo Yoga 2 Service Manual

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Lenovo Yoga 2 Pro (13″)
Lenovo Yoga 2 Pro (13″)
This chapter presents the following product-specific service references and product-specific parts information:
• “Specifications” on page 27
• “Status indicators” on page 29
• “Fn key combinations” on page 30
• “FRU replacement notices” on page 31
• “Removing and replacing an FRU” on page 32
• “Locations” on page 58
• “Parts list” on page 60
Specifications
The following table lists the specifications of the Lenovo Yoga 2 Pro (13″):
Table 1....

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
Table 1. Specifications (continued)
FeatureDescription
Audio• 1/8" Combo audio jack• Integrated Speakers Stereo × 2• Built-in microphone × 2PCI Express Mini Card slot• 1 slot
Bluetooth wireless • Combined in combo card
Keyboard• 6-Row, Lenovo KeyboardTouch pad • Multi-touch typeIntegrated camera• 1.0 Mega or 720P HD
Battery• 4 cells, 54 WhAC adapter• 20 V, 65 WPre-installed operating system • Windows 8.1 

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Lenovo Yoga 2 Pro (13″)
Status indicators
The system status indicators below show the computer status:
12
Table 2. Status indicators
IndicatorIndicator statusMeaning
Battery status indicator
On (solid white)The battery has more than 20% charge.
Solid amberThe battery has between 5% and 20% charge.Fast blinking amberThe battery has less than 5% charge.
Slow blinking amberThe battery is being charged. When battery charge reaches 20%, the blinking color changes to white.
Slow blinking white
The battery...

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
Fn key combinations
The following table describes the functions of Fn key combinations.
Table 3. Function key combinations
 :Mutes/unmutes the sound.
:Decreases the volume level.
:Increases the volume level.
:Closes the currently active window.
:Refreshes the desktop or the currently active window.
:Enables/disables the touchpad.
:Enables/disables Airplane  mode.
:Displays all currently active apps.
:Turns on/off the backlight of the LCD screen....

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Lenovo Yoga 2 Pro (13″)
FRU replacement notices
This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU.
Screw notices 
Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics:
• They maintain tight connections.
• They do not easily come loose, even with shock or vibration.
• They are harder to tighten.
Do the following...

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
Removing and replacing an FRU
This  section  presents  exploded  figures  with  the  instructions  to  indicate  how  to remove and replace the FRU. Make sure to observe the following general rules:
1. Do not attempt to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts.
2. Before replacing any FRU, review “FRU replacement notices” on page 31.
3. Begin by removing any FRUs that have to...

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Lenovo Yoga 2 Pro (13″)
1010 Base cover
Figure 1. Removal steps of base cover
Remove the screws 1. Then remove the base cover 2.
1
1
1
1
1
1
1
1
1
1
1
2
StepScrew (quantity)ColorTorque
1M2 × 5 mm, flat-head, nylok-coated (11) Lower to UpperSilver1.85+/-0.15 kgf*cm 

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Lenovo Yoga 2 Pro (13″) 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 
labels: 
The following labels need to be peeled off from the old base cover and put on 
the new base cover. 
a win8 OS label
b Rating label(ww or China)
c Rating label print
d KCC labe
e Indonesia D side label
f BRAZIL BT WL labelg BT WL label FOR...

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Lenovo Yoga 2 Pro (13″)
1020 Battery pack
For access, remove this FRU:
• “1010 Base cover” on page 33
 DANGER
Only	use	the	battery	 specified	 in	the	 parts	 list	for	your	 computer.	 Any	other	 battery	
could	ignite	or	explode.	
Figure 2. Removal steps of battery pack
Unplug the battery connector 1 and remove the screws 2. Then remove the battery pack 3.
1
22
2
2
2
3
StepScrew (quantity)ColorTorque
2M2 × 3.5 mm, flat-head, nylok-coated (5) Bty to UpperBlack1.85+/-0.15 kgf*cm
When installing: Make...

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Lenovo Yoga 2 Pro (13″) Hardware Maintenance Manual
1030 LCD unit
For access, remove these FRUs in order:
• “1010 Base cover” on page 33
• “1020 Battery pack” on page 35
Figure 3. Removal steps of LCD unit
Remove the SSD cable in the direction shown by arrows 1.
1
Unplug touch cable connector and LCD cable in the direction shown by  arrows 2. Remove the screws 3.
2
2
3
3
StepScrew (quantity)ColorTorque
3M2 × 4.5 mm, flat-head, nylok-coated (4) Hinge to UpperBlack1.85+/-0.15 kgf*cm