Lenovo E49 manual Backup battery, Removal steps of power board, Removal steps of backup battery

Page 66

“1030 Bottom slot cover” on page 46

“1090 Keyboard” on page 54

“1100 Keyboard bezel” on page 57

Removal steps of power board

Remove the screw 1 and then remove the power board

2.

1

2

2

 

Step

Screw (quantity)

Color

Torque

 

 

 

 

 

 

 

 

 

M2 × 3 mm, flat-head, nylon-coated (1)

Black

1.85 kgfcm

 

1

 

 

 

 

 

 

 

1120 Backup battery

For access, remove these FRUs in order:

“1010 Battery pack” on page 44

“1020 Optical drive” on page 44

“1030 Bottom slot cover” on page 46

“1090 Keyboard” on page 54

“1100 Keyboard bezel” on page 57

Removal steps of backup battery

DANGER

60Hardware Maintenance Manual

Image 66
Contents Hardware Maintenance Manual Lenovo E49 and ZhaoYang E49Second Edition May Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual Safety information General safetyElectrical safety Safety inspection guide Safety notices multilingual translations Grounding requirementsSafety 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 Laser compliance statement multilingual translations Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Important service information Before replacing partsStrategy for replacing FRUs Important information about replacing RoHS compliant FRUs Strategy for replacing a hard disk driveImportant notice for replacing a system board For products shipped after JuneFollowing are not covered under warranty General checkoutWhat to do first Power system checkout Checking the ac power adapterChecking the battery pack Checking operational chargingHardware Maintenance Manual Passwords Related service informationRecovering the computer settings Power-on passwordSleep mode Power managementScreen blank mode Hibernation modeRelated service information Hardware Maintenance Manual Specifications Status indicators Indicator MeaningFn key combinations Key combination DescriptionHardware Maintenance Manual CRU statement for customers FRU replacement noticesScrew notices Plastic to plasticTorque driver Removing and replacing a FRU General guidelinesBattery pack Optical driveRemoval steps of optical drive Bottom slot cover Memory modulesRemoval steps of bottom slot cover Hard disk drive assembly Removal steps of memory modulesRemoval steps of hard disk drive assembly PCI Express Mini Card for wireless LAN Removal steps of hard disk drive bracketRemoval steps of PCI Express Mini Card for wireless LAN Thermal fan assembly Removal steps of thermal fan assemblyHardware Maintenance Manual Microprocessor Keyboard Removal steps of microprocessorRemoval steps of keyboard Hardware Maintenance Manual Keyboard bezel Removal steps of keyboard bezel Remove the screws That secure the keyboard bezelPower board Backup battery Removal steps of power boardRemoval steps of backup battery System board assembly Important notices for handling the system boardRemoval steps of system board assembly LCD unitRemoval steps of LCD unit and hinge brackets When installing DC-in cable and base cover Removal steps of DC-in cable and base cover LCD front bezel Applying labels to the base coverRemoval steps of LCD front bezel Integrated camera LCD panel, LCD cable, and hingesRemoval steps of integrated camera Removal steps of LCD panel and LCD cable Antenna assembly and LCD rear cover Removal steps of hingesRemoval steps of antenna assembly and LCD rear cover Locations Front viewRight-side view Rear viewBottom and left-side view Lenovo E49 and ZhaoYang E49 bottom and left-side viewHardware Maintenance Manual Parts list CRU statement for customersOverall CRUParts list CRU LCD FRUs LSS MB DIS N13M-GE1 1G E49A WO/3G/BTFRU Ac power adapters Miscellaneous partsPower cords Parts list 3-pin power cords Longwell Parts list 3-pin power cords Volex Parts list 2-pin power cords Linetek Hardware Maintenance Manual Appendix A. Notices Electronic emissions notices TrademarksPage Part Number 1P P/N