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B575E manual Part Number Printed in China 1P P/N
Models:
B575E
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Specification
Before replacing parts
Parts list
Maintenance
Microphone assembly
Backup battery
Checking the battery pack
Status indicators
How to
Safety
Page 102
Image 102
Part Number:
Printed in China
(1P) P/N:
*1P*
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Contents
Lenovo B575e
Hardware Maintenance Manual
First Edition July Copyright Lenovo
Contents
Copyright Lenovo
ii Hardware Maintenance Manual
About this manual
iv Hardware Maintenance Manual
Chapter 1. Safety information
General safety
Electrical safety
Safety inspection guide
Handling devices that are sensitive to electrostatic discharge
Safety notices multilingual translations
Grounding requirements
DANGER DANGER
Chapter 1. Safety information
DANGER DANGER DANGER DANGER DANGER
6 Hardware Maintenance Manual
DANGER
Chapter 1. Safety information
8 Hardware Maintenance Manual
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO
Chapter 1. Safety information
PERIGO PERIGO DANGER DANGER DANGER
10 Hardware Maintenance Manual
DANGER DANGER DANGER DANGER DANGER
VORSICHT
Chapter 1. Safety information
VORSICHT VORSICHT VORSICHT VORSICHT
12 Hardware Maintenance Manual
VORSICHT VORSICHT VORSICHT
Chapter 1. Safety information
14 Hardware Maintenance Manual
Chapter 1. Safety information
16 Hardware Maintenance Manual
Chapter 1. Safety information
18 Hardware Maintenance Manual
English Arabic Brazilian Portuguese French German Hebrew Japanese
Laser compliance statement multilingual translations
Chapter 1. Safety information
Korean Spanish Traditional Chinese
20 Hardware Maintenance Manual
Chapter 1. Safety information
22 Hardware Maintenance Manual
Chapter 1. Safety information
24 Hardware Maintenance Manual
Chapter 1. Safety information
26 Hardware Maintenance Manual
Chapter 2. Important service information
Strategy for replacing FRUs
Before replacing parts
Important information about replacing RoHS compliant FRUs
Strategy for replacing a hard disk drive
Important notice for replacing a system board
For products shipped after June
Chapter 3. General checkout
What to do first
The following are not covered under warranty
Power system checkout
Checking the ac power adapter
Checking the battery pack
Checking operational charging
32 Hardware Maintenance Manual
Passwords
Chapter 4. Related service information
Recovering the computer settings
Power-on password
Sleep mode
Power management
Screen blank mode
Hibernation mode
If the timer conditions are satisfied in suspend mode
36 Hardware Maintenance Manual
Specifications
Chapter 5. Lenovo B575e
Table 1. Status indicators
Status indicators
Integrated Bluetooth on some models Integrated WiMAX
100/1000 Mbps Ethernet communication
The following table describes the functions of Fn key combinations
Fn key combinations
Table 1. Status indicators continued
Table 2. Function key combinations
40 Hardware Maintenance Manual
Plastic to plastic
Chapter 6. FRU replacement notices
Screw notices
Logic card to plastic
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Removal steps of battery pack DANGER
1010 Battery pack
Chapter 7. Removing and replacing a FRU
DANGER
1020 Bottom slot cover
Removal steps of bottom slot cover
1030 Hard disk drive
Removal steps of hard disk drive assembly
1040 Optical drive
Removal steps of hard disk drive bracket
Removal steps of the optical drive
“1020 Bottom slot cover” on page
1050 Memory modules
For access, remove these FRUs in order “1010 Battery pack” on page
Chapter 7. Removing and replacing a FRU
1060 PCI Express Mini Card for wireless LAN
Removal steps of memory modules
Removal steps of PCI Express Mini Card for wireless LAN
1 . Then remove the screw
Chapter 7. Removing and replacing a FRU
1070 Backup battery
Removal steps of backup battery DANGER
50 Hardware Maintenance Manual
“1020 Bottom slot cover” on page
1080 Keyboard
For access, remove these FRUs in order “1010 Battery pack” on page
Chapter 7. Removing and replacing a FRU
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Removal steps of keyboard
The keyboard will open up slightly
Chapter 7. Removing and replacing a FRU
1090 Keyboard bezel
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that secure the keyboard bezel
Removal steps of keyboard bezel
Remove screws
Chapter 7. Removing and replacing a FRU
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Remove the screw
Detach the connectors
Chapter 7. Removing and replacing a FRU
1100 LED board and power board
Removal steps of power board
Removal steps of LED board
1110 Microphone assembly
1120 I/O board and RJ45 Ethernet board
Removal steps of microphone assembly
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Removal steps of I/O board
Remove the I/O board
Chapter 7. Removing and replacing a FRU
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Removal steps of RJ45 Ethernet board
1130 System board assembly
Important notices for handling the system board
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Removal steps of system board
1140 LCD unit
When installing
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Removal steps of LCD unit
1150 Thermal fan assembly
When installing Make sure that the connector is attached firmly
Removal steps of thermal fan assembly
Detach the connector in the direction shown by the arrow
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1160 Speaker assembly
1170 DC-in sub card and base cover
Removal steps of speaker assembly
Removal steps of DC-in sub card
Chapter 7. Removing and replacing a FRU
2010 LCD front bezel
Applying labels to the base cover
Removal steps of LCD front bezel
2020 Integrated camera
2030 LCD panel, LCD cable, and hinges
Removal steps of integrated camera
Removal steps of LCD panel and hinges
2040 Antenna assembly
Removal steps of antenna assembly
Removal steps of LCD cable
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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Chapter 8. Locations
Front view
4 Security keyhole 5 ac power connector
Bottom view
1 Battery latch manual 2 Battery pack 3 Battery latch spring-loaded
6 Fan louvers 7 VGA port 8 HDMI port on some models 9 USB connector
“Miscellaneous parts” on page “ac power adapters” on page
Chapter 9. Parts list
This chapter contains the following lists of the service parts
“Power cords” on page
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Overall
Table 3. Parts list-Overall
121001091
Table 3. Parts list-Overall continued
Battery, 2200mA 6cell, 48Wh 3S2P SMP/LG L09M6Y02 3S2P 48Wh btyLHComm01
LCD FRUs
Table 3. Parts list-Overall continued
Keyboard
Table 4. Parts list - LCD
Table 5. Parts list - Keyboard Dafon
Table 5. Parts list - Keyboard Dafon continued
Table 6. Parts list - Keyboard Sunrex
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Language
Table 6. Parts list - Keyboard Sunrex continued
Table 7. Parts list - Keyboard Chicony
FRU no
Miscellaneous parts
ac power adapters
Power cords
Table 7. Parts list - Keyboard Chicony continued
Country or region
Table 11. Parts list - 3-pin power cords Linetek continued
Table 12. Parts list - 3-pin power cords Longwell
FRU no
Table 12. Parts list - 3-pin power cords Longwell continued
Table 13. Parts list - 3-pin power cords Volex
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Table 13. Parts list - 3-pin power cords Volex continued
Country or region
FRU no
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Appendix A. Notices
Lenovo United States, Inc 1009 Think Place - Building One
Morrisville, NC U.S.A Attention Lenovo Director of Licensing
Electronic emissions notices
Trademarks
Page
Part Number Printed in China 1P P/N
