1130 System Board Assembly - Lenovo ZhaoYang E49 Hardware Maintenance Manual

Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Insert a screwdriver into the backup battery hole and push the backup battery until the battery pops up.

1130 System board assembly

Important notices for handling the system board:
When handling the system board, bear the following in mind:
• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
• Avoid rough handling of any kind.
• At every point in the process, be sure not to drop or stack the system board.
• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated
conductive surface.
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
• "1040 Memory modules" on page 46
• "1050 Hard disk drive assembly" on page 47
• "1060 PCI Express Mini Card for wireless LAN" on page 49
• "1070 Thermal fan assembly" on page 51
• "1080 Microprocessor" on page 53
• "1090 Keyboard" on page 54
• "1100 Keyboard bezel" on page 57
• "1120 Backup battery" on page 60
.
Chapter 7 Removing and replacing a FRU
61