Hardware Maintenance
Table Of Contents
- Contents
- About this manual
- Safety information
- Important service information
- General checkout
- Related service information
- Lenovo TAB 2 A10-30
- Specifications
- Components location
- Parts list
- FRU replacement notices
- Removing and replacing an FRU
- 1010 Rear cover and side key
- 1020 Battery pack
- 1030 Rear camera
- 1040 Microphone
- 1050 Vibrator motor
- 1060 LCD FPC
- 1070 Main FPC
- 1080 Antenna PCB (LTE version only)
- 1090 Sub board
- 1100 Left Speaker
- 1110 Right Speaker
- 1120 Main board assembly (with left and right speakers, audio jack FPC, and side key FPC)
- 1130 Front camera
- Notices
General checkout
21
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 Computer AC Charger” on page 21
• “Checking the internal battery status” on page 22
Checking the Computer AC Charger
When you use the computer AC Charger to charge the tablet but no power is
charged, see the instructions in this topic to check the computer AC Charger.
To check the computer 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.
Power system checkout
Pin
Voltage (V dc)
1
Ground
20
3
+5
1
2 3 (5V)