Lenovo B6000, B8000 manual Sub board, Screws on the sub board

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Lenovo B6000 / B8000

1090 Sub board

Important notices for handling PCB:

When handling PCB, bear the following in mind:

Be careful not to drop the PCB onto a bench top that has a hard surface, such as surface made of metal, wood, or composite materials.

Avoid rough handling of any kind.

Make sure not to drop or stack the PCB in the whole process.

Make sure to put the PCB only on surface covered with materials such as an ESD mat or conductive corrugated plate.

For access, remove this FRU:

“1010 Rear cover” on page 28

1.Remove four screws a for fixing the sub board to the main body.

Figure 9-1 Screws on the sub board

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Contents B6000 / B8000 Page Contents Lenovo B6000 Lenovo B8000 About this manualSafety information General safety Electrical safety Lenovo B6000/B8000 Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notice Safety notices multilingual translationsLenovo B6000/B8000 Hardware Maintenance Manual Safety information Lenovo B6000/B8000 Hardware Maintenance Manual Safety information Lenovo B6000/B8000 Hardware Maintenance Manual Safety information Laser compliance statement Safety information Strategy for replacing FRUs Before replacing partsImportant notice for replacing a system board Important service informationOriginal part Important information about replacing RoHS compliant FRUsGeneral checkout What to do first Following are not covered under warrantyAccurate information about the battery status Power system checkoutChecking the internal battery status Approximate information about the battery statusLenovo B6000/B8000 Hardware Maintenance Manual Activating/Deactivating the Display Power managementSecurity Feature Description SpecificationsLenovo B6000 / B8000 Logic card to plastic FRU replacement noticesScrew notices Plastic to plasticRemoving and replacing an FRU Peeling off the label on the rear cover Rear coverSeparating the rear cover using a suction tool Unlocking the central area of the rear cover Step Screw quantity Color Torque Screws on the holder of the speaker box Right speaker boxDisconnecting the speaker FPC Prying off the holder Removing the speaker box Hinge frame and pivot Disconnecting the main FPCRemoving the hinge frame with the main FPC at the left end Removing the hinge pivot Main camera Disconnecting the main camera FPCDetaching the main camera Screws fixing the left speaker box Left speaker boxScrews on the main antenna Main antennaPhillips flat-head, M1.4 × 1.5 Black N/A Screw on the WiFi antenna WiFi antennaWiFi antenna frame detached Important notices for handling PCB Main PcbaRemoving the conductive fiber Removing the USB FPC holder Disconnecting the FPC between the main Pcba and sub board Disconnecting the LCD FPC Removing the adhisive tapes Main Pcba removed 10 Unlock the main antenna FPC connector 12 Main antenna removed Screws on the sub board Sub boardDisconnecting the TP FPC Detaching the vibrator motor Pushing out the power button Power buttonFront view LocationsRear view Parts list Overall Lenovo B6000 / B8000 Parts list-Overall for Lenovo B6000 only Parts list-Overall for Lenovo B8000 only Screw Parts list-ScrewPage Trademarks