Lenovo A2107ah Service Manual

Lenovo IdeaTab A2107A
27 1010 SIM card cover
Figure 1. Removal steps of SIM card cover
Push the SIM card cover forward with two thumbs in the direction shown by 
arrow   .
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Lenovo IdeaTab A2107A Hardware Maintenance Manual
281020 Battery pack
For access, remove this FRU:
 “1010 SIM card cover” on page 27
Figure 2. Removal steps of battery pack
Remove screw   and push the battery pack backward in the direction shown 
by arrow  .
StepScrew (quantity)ColorTorque
M1.6 × 0.25 × 3.5mm, flat-head, nylok-
coated (1)Black 0.7 ± 0.05 kgf.cm
DANGER
Only use the battery specified in the parts list for your computer. Any other 
battery could ignite or explode.
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Lenovo IdeaTab A2107A
29 1030 Base cover
For access, remove these FRUs in order:
 “1010 SIM card cover” on page 27
 “1020 Battery pack” on page 28
Figure 3. Removal steps of base cover
Remove 16 screws   on the base cover with the screw driver.
Remove the base cover in the direction shown by arrow  .
StepScrew (quantity)ColorTorque
M3.0 × 0.6mm, flat-head, nylok-coated 
(16)Black 0.7 ± 0.05 kgf.cm
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Lenovo IdeaTab A2107A Hardware Maintenance Manual
30
Figure 3. Removal steps of base cover (continued)
Disconnect the battery connector  , insert a flat blade under the  bottom right  
of the battery and  carefully pry out the battery in the direction as shown below.
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Lenovo IdeaTab A2107A
31 1040 Micro SD card
For access, remove these FRUs in order:
 “1010 SIM card cover” on page 27
Figure 4. Removal steps of Micro SD card
Remove the Micro SD card from the card slot in the direction shown by arrows 
.
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Lenovo IdeaTab A2107A Hardware Maintenance Manual
321050 System board
For access, remove these FRUs in order:
 “1010 SIM card cover” on page 27
 “1020 Battery pack” on page 28
 “1030 Base cover” on page 29Important 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...

Lenovo IdeaTab A2107A
33
Figure 5. Removal steps of system board
Remove two screws  .
Peel off the microphone  , vibrator   , speakers  , detach the LCD 
connector  , touch connector  , USB board connector  , back camera 
connector  , power button board connector  ,volume up/down button 
connector .
StepScrew (quantity)ColorTorque
M1.6 × 2.5mm, flat-head, nylok-coated (2) Black 0.7 ± 0.05kgf.cm
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Lenovo IdeaTab A2107A Hardware Maintenance Manual
34
Figure 5. Removal steps of system board (continued)
Remove the system board in the direction shown by arrow  . 
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Lenovo IdeaTab A2107A
35 1060 Back camera
For access, remove these FRUs in order:
 “1010 SIM card cover” on page 27
 “1020 Battery pack” on page 28
 “1030 Base cover” on page 29
Figure 7. Removal steps of back camera
The back camera is stuck to the system board. Remove the back camera from the 
system board in the direction shown by arrow  .
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Lenovo IdeaTab A2107A Hardware Maintenance Manual
361070 Front camera
For access, remove these FRUs in order:
 “1010 SIM card cover” on page 27
 “1020 Battery pack” on page 28
 “1030 Base cover” on page 29
 “1050 System board” on page 32
Figure 8. Removal steps of front camera
Detach the front camera connector from the back of the system board in the 
direction shown by arrow  . Remove the front camera from the system board 
in the direction shown by arrow   .
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