Lenovo 33472YU, S230U manual When installing

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3

When installing:

•When you pull the cables through the hole in the hinge, rout the cables as shown in the following illustration.

6	1
5	2
4	3

1

2

3

Power cable assembly

Wireless WAN auxiliary antenna

Wireless LAN main antenna

4

5

6

Wireless WAN main antenna

Wireless LAN auxiliary antenna

LCD cable assembly

•When you attach the LCD unit to the base cover assembly, rout the cables as shown in the following illustration.

Chapter 9. Removing or replacing a FRU 85

Image 91

Contents ThinkPad S230u Hardware Maintenance ManualFirst Edition September Copyright Lenovo Contents Appendix A. Notices Iii About this manualIv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Safety information Perigo Perigo Vorsicht Vorsicht Vorsicht Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Select Drivers & Software Important service informationBefore replacing parts Strategy for replacing FRUsDynamic Configure To Order CTO How to use error messageImportant notice for replacing a system board Custom Model Variant CMV Using PEWClick Warranty & Services Click Check Warranty Status FRU identification for CTO, CMV, and GAV productsClick Product & Parts Detail Click Parts & AccessoriesWhat to do first General checkoutQuick test programs Lenovo Solution CenterFollowing are not covered under warranty Checkout guideBootable diagnostic programs Uefi diagnostic programTests Tools Checking the ac power adapter Power system checkoutClick Lenovo Bootable Diagnostics Checking operational charging Checking the battery packChecking the backup battery Wire Voltage V dcHardware Maintenance Manual Restoring the factory contents by using Recovery Disc Set Related service informationRefreshing the computer Power-on password PasswordsHard-disk password Select Power-On Password Supervisor passwordHow to remove the power-on password How to remove the hard-disk passwordSelect Master HDP Power managementSleep mode Hibernation modeSymptom-to-FRU index Wireless off modeNumeric error codes 0199 Run the ThinkPad Setup program, and then save Symptom or error FRU or action, in sequence 01890190 Charge the battery pack 0191 Run the ThinkPad Setup program, and then saveNo-beep symptoms Error messagesBeep symptoms Reseat the LCD connectors LCD-related symptomsIntermittent problems Undetermined problemsHardware Maintenance Manual Indicator Meaning Status indicatorsIndicator Meaning Special key Description Special keysSpecial key Description Locations Locating computer controls, connectors, and indicatorsFront view Bottom view Rear viewLocating FRUs and CRUs CRU statement for customers Major FRUs and CRUs Description Self-service CRU Optional-serviceCRU LCD FRUs Hinge Button board Looking up FRU informationHardware Maintenance Manual Logic card to plastic FRU replacement noticesScrew notices Plastic to plasticRestoring the serial number of the system unit Retaining serial numbersMTM on rear label Reading or writing the ECA information Retaining the UuidProduct ID on rear label Hardware Maintenance Manual General guidelines Removing or replacing a FRUHard disk drive or solid-state drive Disabling the built-in batteryBefore servicing the computer Removing the SIM cardRemoving or replacing a FRU Removal steps of keyboard KeyboardStep Screw quantity Color Torque Removing or replacing a FRU When installing PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN Removal steps of mSATA solid-state drive Removal steps of keyboard bezel Keyboard bezel, backup battery, and speaker assemblyStep Screw cap Screw quantity Color Torque M2 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm Hardware Maintenance Manual Battery pack Proximity sensors Important notices for replacing a battery packRemoval steps of proximity sensors Removal steps of thermal fan assembly LCD unit Removal steps of LCD unit When installing M2.5 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm Removal steps of DC-in connector DC-in connectorRemoval steps of system board and base cover assembly System board and base cover assemblyImportant notices for handling the system board Applying labels to the base cover Following illustration shows the location of each label LCD panel Button bezelRemoval steps of button bezel Removal steps of LCD panel Button boardRemoval steps of button board Integrated cameraRemoval steps of integrated camera HingeRemoval steps of hinge When installing Removal steps of wireless antenna assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Trademarks Electronic emissions noticesPage 1P0B48943

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