Lenovo Yoga 3 Service Manual

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Lenovo YOGA 3 Pro-1370
Table 1. Specifications (continued)
FeatureDescription
Audio • 1/8"  Stereo  Headphone  Output  &  Microphone  input  combo 
jack
•  Integrated Speakers Stereo × 2
•  Built-in microphone × 2
PCI Express 
Mini Card slot Intel 802.11 A/C 2×2
Bluetooth 
wireless  Combined in combo card
Keyboard 5 Rows, ISO Full Size Keyboard, Back-light
Touch pad  Multi-touch type
Integrated 
camera 1.0 Mega or 720P HD
Battery Li-Polymer, 44 Wh
AC adapter 20 V, 40 W
Pre-installed 
operating...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Status indicators
The system status indicators below show the computer status:
a b
Power button and  
power status 
indicator Press this button to turn on the computer.
Indicator Indicator status Meaning
Power status 
indicator On (solid white)
The computer is powered on.
Blinking The computer is in sleep mode.
Off The computer is powered off or in
hibernation mode.
Battery status
indicator
Indicator Indicator status Meaning
Battery status 
indicator...

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Lenovo YOGA 3 Pro-1370
Fn key combinations
The following describes the features of each function key.
Fn + Esc: Switches to paper display mode.
Fn + 1: F1
Fn + 2:  F2
Fn + 3: F3
Fn + 4:  F4
Fn + 5:  F5
Fn + 6:  F6
Fn + 7:  F7
Fn + 8:  F8
Fn + 9:  F9
Fn + 0:  F10
Fn + -:  F11
Fn + =: F12
Fn + Backspace: Closes the currently active window.
Fn + Delete: Enables/disables the touch pad.
Fn + `: Turns on/off the backlight of the LCD screen.
Fn + PgUp: Activates the pause function.
Fn + PgDn: Activates the...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
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...

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Lenovo YOGA 3 Pro-1370
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  be...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
1010 Base cover
Figure 1. Removal steps of base cover
Remove the screws 
1. Then remove the base cover 2.
11
1
1
1
1
1
1
1
1
2
StepScrew (quantity) ColorTorque P/N
1M2 × 3.3 mm, Torx,  
nylok-coated (10) Silver
2.0~2.5 kgf*cm MA00000T6G0  

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Lenovo YOGA 3 Pro-1370
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 Rating label (WW or China)
b Rating label print 
c BT label for US/CA/TW/Brazil/Indonesia/Israel/Malaysia
d WLAN label for...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
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 in the direction shown by arrow 3.
2
22
21
3
2
2
Step Screw (quantity) ColorTorque
2M2 × 3.5 mm, cross-head,...

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Lenovo YOGA 3 Pro-1370
1030 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
Figure 3. 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.
1
3
2
Step Screw (quantity) ColorTorque
2M2 × 2.5 mm, cross-head, nylok-coated (1) Black1.5~2.0 kgf*cm
Remove the card in the direction shown by arrow 3.
1
3
2 

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
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.
When installing:
•  In  models  with  a  wireless  LAN  card  that  has  two  antenna  connectors,  plug...