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B575E manual Vorsicht Vorsicht Vorsicht Vorsicht, Safety information
Models:
B575E
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Specifications
Before replacing parts
Parts list
Maintenance
Microphone assembly
Backup battery
Checking the battery pack
Status indicators
How to
Safety
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Chapter 1
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Safety information
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Contents
Hardware Maintenance Manual
Lenovo B575e
First Edition July Copyright Lenovo
Copyright Lenovo
Contents
ii Hardware Maintenance Manual
About this manual
iv Hardware Maintenance Manual
General safety
Chapter 1. Safety information
Electrical safety
Handling devices that are sensitive to electrostatic discharge
Safety inspection guide
DANGER DANGER
Safety notices multilingual translations
Grounding requirements
DANGER DANGER DANGER DANGER DANGER
Chapter 1. Safety information
DANGER
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Chapter 1. Safety information
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO
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PERIGO PERIGO DANGER DANGER DANGER
Chapter 1. Safety information
VORSICHT
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DANGER DANGER DANGER DANGER DANGER
VORSICHT VORSICHT VORSICHT VORSICHT
Chapter 1. Safety information
VORSICHT VORSICHT VORSICHT
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Chapter 1. Safety information
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Chapter 1. Safety information
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Chapter 1. Safety information
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Chapter 1. Safety information
Laser compliance statement multilingual translations
English Arabic Brazilian Portuguese French German Hebrew Japanese
Korean Spanish Traditional Chinese
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Chapter 1. Safety information
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Chapter 1. Safety information
24 Hardware Maintenance Manual
Chapter 1. Safety information
26 Hardware Maintenance Manual
Before replacing parts
Chapter 2. Important service information
Strategy for replacing FRUs
Important notice for replacing a system board
Strategy for replacing a hard disk drive
Important information about replacing RoHS compliant FRUs
For products shipped after June
The following are not covered under warranty
Chapter 3. General checkout
What to do first
Checking the ac power adapter
Power system checkout
Checking operational charging
Checking the battery pack
32 Hardware Maintenance Manual
Recovering the computer settings
Chapter 4. Related service information
Passwords
Power-on password
Screen blank mode
Power management
Sleep mode
Hibernation mode
If the timer conditions are satisfied in suspend mode
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Chapter 5. Lenovo B575e
Specifications
Integrated Bluetooth on some models Integrated WiMAX
Status indicators
Table 1. Status indicators
100/1000 Mbps Ethernet communication
Table 1. Status indicators continued
Fn key combinations
The following table describes the functions of Fn key combinations
Table 2. Function key combinations
40 Hardware Maintenance Manual
Screw notices
Chapter 6. FRU replacement notices
Plastic to plastic
Logic card to plastic
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Chapter 7. Removing and replacing a FRU
1010 Battery pack
Removal steps of battery pack DANGER
DANGER
Removal steps of bottom slot cover
1020 Bottom slot cover
Removal steps of hard disk drive assembly
1030 Hard disk drive
Removal steps of the optical drive
1040 Optical drive
Removal steps of hard disk drive bracket
For access, remove these FRUs in order “1010 Battery pack” on page
1050 Memory modules
“1020 Bottom slot cover” on page
Chapter 7. Removing and replacing a FRU
Removal steps of memory modules
1060 PCI Express Mini Card for wireless LAN
Chapter 7. Removing and replacing a FRU
Removal steps of PCI Express Mini Card for wireless LAN
1 . Then remove the screw
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1070 Backup battery
Removal steps of backup battery DANGER
For access, remove these FRUs in order “1010 Battery pack” on page
1080 Keyboard
“1020 Bottom slot cover” on page
Chapter 7. Removing and replacing a FRU
Removal steps of keyboard
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Chapter 7. Removing and replacing a FRU
The keyboard will open up slightly
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1090 Keyboard bezel
Remove screws
Removal steps of keyboard bezel
that secure the keyboard bezel
Chapter 7. Removing and replacing a FRU
Remove the screw
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Chapter 7. Removing and replacing a FRU
Detach the connectors
Removal steps of LED board
1100 LED board and power board
Removal steps of power board
Removal steps of microphone assembly
1110 Microphone assembly
1120 I/O board and RJ45 Ethernet board
Removal steps of I/O board
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Chapter 7. Removing and replacing a FRU
Remove the I/O board
Removal steps of RJ45 Ethernet board
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Important notices for handling the system board
1130 System board assembly
Removal steps of system board
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1140 LCD unit
Removal steps of LCD unit
When installing
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1150 Thermal fan assembly
Detach the connector in the direction shown by the arrow
Removal steps of thermal fan assembly
When installing Make sure that the connector is attached firmly
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1160 Speaker assembly
Removal steps of speaker assembly
1170 DC-in sub card and base cover
Chapter 7. Removing and replacing a FRU
Removal steps of DC-in sub card
Applying labels to the base cover
2010 LCD front bezel
Removal steps of LCD front bezel
Removal steps of integrated camera
2020 Integrated camera
2030 LCD panel, LCD cable, and hinges
Removal steps of LCD panel and hinges
Removal steps of LCD cable
2040 Antenna assembly
Removal steps of antenna assembly
Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges in the direction shown by the arrows
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Front view
Chapter 8. Locations
1 Battery latch manual 2 Battery pack 3 Battery latch spring-loaded
Bottom view
4 Security keyhole 5 ac power connector
6 Fan louvers 7 VGA port 8 HDMI port on some models 9 USB connector
This chapter contains the following lists of the service parts
Chapter 9. Parts list
“Miscellaneous parts” on page “ac power adapters” on page
“Power cords” on page
Table 3. Parts list-Overall
Overall
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121001091
Battery, 2200mA 6cell, 48Wh 3S2P SMP/LG L09M6Y02 3S2P 48Wh btyLHComm01
Table 3. Parts list-Overall continued
Table 3. Parts list-Overall continued
LCD FRUs
Table 5. Parts list - Keyboard Dafon
Keyboard
Table 4. Parts list - LCD
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Table 5. Parts list - Keyboard Dafon continued
Table 6. Parts list - Keyboard Sunrex
Table 7. Parts list - Keyboard Chicony
Table 6. Parts list - Keyboard Sunrex continued
Language
FRU no
Power cords
ac power adapters
Miscellaneous parts
Table 7. Parts list - Keyboard Chicony continued
Table 12. Parts list - 3-pin power cords Longwell
Table 11. Parts list - 3-pin power cords Linetek continued
Country or region
FRU no
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Table 12. Parts list - 3-pin power cords Longwell continued
Table 13. Parts list - 3-pin power cords Volex
FRU no
Table 13. Parts list - 3-pin power cords Volex continued
Country or region
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Morrisville, NC U.S.A Attention Lenovo Director of Licensing
Appendix A. Notices
Lenovo United States, Inc 1009 Think Place - Building One
Trademarks
Electronic emissions notices
Page
Part Number Printed in China 1P P/N
