Sunday, April 10, 2016

Lenovo Tab 3 Pro 10 – Disassembling procedure – How to test the battery charger – How to remove the back cover – How to remove the battery pack

Category: Tablets Repair and Service 

Contents of this article 

  • How to test the Internal battery status 
  • How to remove the back cover
  • How to replace the battery 

Lenovo Tab 3 Pro 10

To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Make sure that power is supplied when you turn on the computer.
5. Turn off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Make sure that the battery pack supplies power when you turn on the computer.
If you suspect a power problem, see the appropriate one of the following power supply checkouts:
“Checking the Tab AC Charger”
“Checking the internal battery status”
Checking the Tab AC Charger
When you use the IdeaTab AC Charger to charge the tablet but no power is charged, see the instructions in this topic to check the IdeaTab AC Charger.
To check the IdeaTab AC Charger, do the following:
1. Disconnect the micro-USB cable from the tablet.
2. Measure the output voltage across the connector marked B of the micro-USB cable. Refer to the following figure:
Note: The output voltage across pin 3 of the micro-B connector might be different from the one you are servicing.
3. If the voltage is not correct, replace the micro-USB cable.
4. If the voltage is acceptable, replace the system board.
Checking the internal battery status
To check the battery status of the tablet, do either of the following:
Approximate information about the battery status
Get the approximate status of the battery at any time by checking the battery status icon on the system bar in the upper-right corner of the screen. The shorter the green bar is, the less the battery power remains.
Accurate information about the battery status
To get the accurate information about the battery status of the tablet, do the following:
1.Open the Android Settings screen.
To open the Android Settings screen, do either of the following:
From the main Home screen, touch the Android Settings icon on Lenovo Launch Zone. The Android Settings screen is displayed.
Touch the application icon from the action bar and then touch Settings.
The Android Settings screen is displayed.
2.Touch About Tablet on the Android Settings screen.
3.Touch Status to view the accurate percentage of the remaining battery power. You also can touch Battery use to check what applications are consuming battery power.
DISASSEMBLING PROCEDURE 
How to remove the Back cover
Press the kickstand release button to release the kickstand, and then turn it over.
Remove the screws.
Insert the blade tool and slide along to release the back cover.
Remove the back cover.
How to remove the Battery pack
Remove the screws, and then remove the frame.
Insert the blade tool to disconnect the connector as shown in the picture.
Pull out the holder.

Remove the battery pack from its socket.