(English) User Guide
Page 12
... use the keyboard for safety, comfort, and reliable operation. Extended contact with a hot section of the computer for computers in explosive environments. • Ventilation slots, fans and/or heat sinks are charging. More frequent cleanings might inadvertently become hot. Heat and product ventilation DANGER Computers, ac power adapters, and many accessories...
... use the keyboard for safety, comfort, and reliable operation. Extended contact with a hot section of the computer for computers in explosive environments. • Ventilation slots, fans and/or heat sinks are charging. More frequent cleanings might inadvertently become hot. Heat and product ventilation DANGER Computers, ac power adapters, and many accessories...
(English) User Guide
Page 19
... computer 3 DANGER To avoid the risk of the fan. 3 Monitor connector The monitor connector is compatible with a USB interface, such as a high-definition television (HDTV). 6 USB 3.0 connectors Connect devices compatible with USB 1.1, 2.0, and 3.0. You can only connect an Ethernet cable to the Ethernet connector. Lenovo E49 right-side view 3 4 Chapter 1. For more information...
... computer 3 DANGER To avoid the risk of the fan. 3 Monitor connector The monitor connector is compatible with a USB interface, such as a high-definition television (HDTV). 6 USB 3.0 connectors Connect devices compatible with USB 1.1, 2.0, and 3.0. You can only connect an Ethernet cable to the Ethernet connector. Lenovo E49 right-side view 3 4 Chapter 1. For more information...
(English) User Guide
Page 56
... (below 5°C/41°F or above a certain limit, however, can produce negative ions. • Keep your computer and peripherals as far as certain portable desktop fans or air purifiers, can produce negative ions. Even though this might become electrostatically charged. Be careful about where and how you take your keyboard. If...
... (below 5°C/41°F or above a certain limit, however, can produce negative ions. • Keep your computer and peripherals as far as certain portable desktop fans or air purifiers, can produce negative ions. Even though this might become electrostatically charged. Be careful about where and how you take your keyboard. If...
Lenovo E49 Hardware Maintenance Manual
Page 3
...electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Laser compliance statement (multilingual translations 19 Chapter 2. Lenovo E49 and ZhaoYang E49 37 Specifications 37 Status indicators 38 Fn key combinations 39 Chapter 6. Contents About this manual iii Chapter 1. Parts list 77 Overall 78 LCD ...Strategy for replacing a hard disk drive . . . 28 Important notice for wireless LAN . . 49 1070 Thermal fan assembly 51 1080 Microprocessor 53 1090 Keyboard 54 1100 Keyboard bezel 57 1110 Power board 59 1120 Backup battery 60 ...
...electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Laser compliance statement (multilingual translations 19 Chapter 2. Lenovo E49 and ZhaoYang E49 37 Specifications 37 Status indicators 38 Fn key combinations 39 Chapter 6. Contents About this manual iii Chapter 1. Parts list 77 Overall 78 LCD ...Strategy for replacing a hard disk drive . . . 28 Important notice for wireless LAN . . 49 1070 Thermal fan assembly 51 1080 Microprocessor 53 1090 Keyboard 54 1100 Keyboard bezel 57 1110 Power board 59 1120 Backup battery 60 ...
Lenovo E49 Hardware Maintenance Manual
Page 7
...for your toolcase away from all personnel, while you are fastened or rolled up with before returning the machine to the customer. • Fan louvers on page 3 • "Handling devices that your sleeves are servicing the machine. • Keep your clothing, because metal objects... working in your feet. 3. Lift by standing or by pushing up above your eyes. • After service, reinstall all covers correctly before you service a Lenovo Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on the machine help to...
...for your toolcase away from all personnel, while you are fastened or rolled up with before returning the machine to the customer. • Fan louvers on page 3 • "Handling devices that your sleeves are servicing the machine. • Keep your clothing, because metal objects... working in your feet. 3. Lift by standing or by pushing up above your eyes. • After service, reinstall all covers correctly before you service a Lenovo Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on the machine help to...
Lenovo E49 Hardware Maintenance Manual
Page 8
... special safety precautions when you work with the power-off controls, is near equipment that has hazardous voltages. • Disconnect all power before: - Blowers and fans - Some hand tools have , near power supplies - Do not use this type of mat to lock the wall box in the off . • Always look...
... special safety precautions when you work with the power-off controls, is near equipment that has hazardous voltages. • Disconnect all power before: - Blowers and fans - Some hand tools have , near power supplies - Do not use this type of mat to lock the wall box in the off . • Always look...
Lenovo E49 Hardware Maintenance Manual
Page 57
Removing and replacing a FRU 51 Loosen the screws 2 to 8 . 7 8 2 6 5 4 3 Note: Different models might have different numbers of thermal fan assembly Detach the connector 1 . 1 When installing: Make sure that the connector is attached firmly. 1070 Thermal fan assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1030 Bottom slot cover" on page 46 Removal steps of screws. Chapter 7.
Removing and replacing a FRU 51 Loosen the screws 2 to 8 . 7 8 2 6 5 4 3 Note: Different models might have different numbers of thermal fan assembly Detach the connector 1 . 1 When installing: Make sure that the connector is attached firmly. 1070 Thermal fan assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1030 Bottom slot cover" on page 46 Removal steps of screws. Chapter 7.
Lenovo E49 Hardware Maintenance Manual
Page 58
Lift the thermal fan assembly in the direction shown by the arrow 9 . Note: Be careful not to damage the connector. 9 52 Hardware Maintenance Manual
Lift the thermal fan assembly in the direction shown by the arrow 9 . Note: Be careful not to damage the connector. 9 52 Hardware Maintenance Manual
Lenovo E49 Hardware Maintenance Manual
Page 59
... a b For models with a component. When you attach the thermal fan assembly to imperfect contact with an integrated thermal fan assembly a 1080 Microprocessor For access, remove these FRUs in the following illustration. When installing: Before you service the microprocessor, avoid any kind of... b as shown in order: • "1010 Battery pack" on page 44 • "1030 Bottom slot cover" on page 46 • "1070 Thermal fan assembly" on page 51 Attention: The microprocessor is extremely sensitive. Removing and replacing a FRU 53 Either too much or too less application of grease can...
... a b For models with a component. When you attach the thermal fan assembly to imperfect contact with an integrated thermal fan assembly a 1080 Microprocessor For access, remove these FRUs in the following illustration. When installing: Before you service the microprocessor, avoid any kind of... b as shown in order: • "1010 Battery pack" on page 44 • "1030 Bottom slot cover" on page 46 • "1070 Thermal fan assembly" on page 51 Attention: The microprocessor is extremely sensitive. Removing and replacing a FRU 53 Either too much or too less application of grease can...
Lenovo E49 Hardware Maintenance Manual
Page 67
... 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...
... 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...
Lenovo E49 Hardware Maintenance Manual
Page 69
... 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...
... 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...
Lenovo E49 Hardware Maintenance Manual
Page 71
... 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...
... 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...
Lenovo E49 Hardware Maintenance Manual
Page 81
Bottom and left -side view 1 Battery latch (manual) 2 Battery pack 3 Battery latch (spring-loaded) 4 Security keyhole 5 Fan louvers 6 Monitor connector 7 Ethernet connector 8 HDMI port 9 USB 3.0 connectors 10 Bottom slot cover1 1 The memory modules, hard disk drive, and wireless cards are located underneath the bottom slot cover. Chapter 8. Locations 75 Lenovo E49 and ZhaoYang E49 bottom and left -side view 1 2 3 4 5 10 6 7 98 Figure 4.
Bottom and left -side view 1 Battery latch (manual) 2 Battery pack 3 Battery latch (spring-loaded) 4 Security keyhole 5 Fan louvers 6 Monitor connector 7 Ethernet connector 8 HDMI port 9 USB 3.0 connectors 10 Bottom slot cover1 1 The memory modules, hard disk drive, and wireless cards are located underneath the bottom slot cover. Chapter 8. Locations 75 Lenovo E49 and ZhaoYang E49 bottom and left -side view 1 2 3 4 5 10 6 7 98 Figure 4.
Lenovo E49 Hardware Maintenance Manual
Page 87
... LSS MB DIS N13M-GE1 1G E49A WO/3G/BT 90000321 14 Thermal Module UMA W/FAN 90200873 14 Thermal Module DIS W/FAN 90200874 15 Keyboard (see "ac power adapters" on page 83) CRU ID N N N N N N N N N N N N N N N N N N LCD FRUs Lenovo E49 and ZhaoYang E49 models use a 14-inch, high-definition (HD), light-emitting diode (LED), liquid-crystal display...
... LSS MB DIS N13M-GE1 1G E49A WO/3G/BT 90000321 14 Thermal Module UMA W/FAN 90200873 14 Thermal Module DIS W/FAN 90200874 15 Keyboard (see "ac power adapters" on page 83) CRU ID N N N N N N N N N N N N N N N N N N LCD FRUs Lenovo E49 and ZhaoYang E49 models use a 14-inch, high-definition (HD), light-emitting diode (LED), liquid-crystal display...