Thursday, March 05, 2015

LENOVO S5000-F - S5000-H DISASSEMBLING AND CHARGER CHECKING

LENOVO S5000/F - S5000/H 


DISASSEMBLING AND CHARGER CHECKING 

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.
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 Battery in the Device section on the Android Settings screen.
3. The accurate percentage of the remaining battery power is shown on the screen.
DIASSEBLING
SIM card holder
1. Insert a pin or a piece of steel wire into the hole on the SIM card holder to unlock and release the SIM card holder from the socket.

2. Remove the SIM card holder
Rear cover and side key
1. Hold the computer in one hand and use a guitar pick to unlock the rear cover from the computer along the joint line.

2. Remove the rear cover.

3. Remove the side key

SIM sub board
1. Remove 2 screws 1 on the SIM sub board.

2. Detach the FPC of the SIM sub board from its connector on the main PCB.


3. Remove the SIM sub board.

Speaker box
1. Remove the screw 1 on the speaker box.


2. Detach the speaker box from its mounting surface using a thin flat blade or guitar pick.

3. Remove the speaker box from the computer.

Rear frame
1. Remove 9 screws 1 on the rear frame

2. Insert a guitar pick into the joint between the main body and rear frame from the front side of the computer to unlock the rear frame from the computer.
3. Slowly detach the entire rear frame from the main body

4. Remove the rear frame.

Main camera and sub camera
1. Use a guitar pick to detach the FPC connector of the main camera from the main PCBA

2. Remove the main camera as shown below.

3. Use a guitar pick to detach the FPC connector of the sub camera from the main PCBA.

4. Remove the sub camera as shown below.

Battery FPC connector holder
1. Remove 2 screws 1  on the battery FPC connector holder.

2. Remove the battery FPC connector holder as shown below.


Antenna assembly
1. Remove 2 screws 1 on the antenna assembly as shown below.

2. Remove the antenna assembly


RF cables
1. Use a guitar pick to disconnect the RF cables from its connectors on both the main PCBA and USB sub board.


2. Remove the RF cables as shown below.

USB sub board assembly
1. Detach the vibrator motor from its seat using a thin flat blade

2. Disconnect the main FPC from the USB sub board assembly using a guitar pick.


3. Remove the USB sub board assembly using a guitar pick.


Main PCBA
1. Remove 2 screws 1 fixing the main PCBA to the main body

2. Detach the connection of the battery FPC on the main PCBA using a guitar pick.

3. Detach the connection of the LCD FPC on the main PCBA using a guitar pick.

4. Detach the connection of the main FPC on the main PCBA using a guitar pick

5. Detach the side key FPC from the main body using a thin flat blade or guitar pick.

6. Detach the TP FPC from its connector on the main PCBA

7. Slowly remove the main PCBA from its seating surface.