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B575E manual Remove the I/O board, Removing and replacing a FRU
Models:
B575E
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Specs
Install
Before replacing parts
Parts list
FRU replacement notices
Warranty
Maintenance
PCI Express Mini Card for wireless LAN
Removal steps of hard disk drive assembly
If the timer conditions are satisfied in suspend mode
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Remove the I/O board
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Chapter 7
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Removing and replacing a FRU
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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
Grounding requirements
Safety notices multilingual translations
DANGER DANGER
DANGER DANGER DANGER DANGER DANGER
Chapter 1. Safety information
DANGER
6 Hardware Maintenance Manual
Chapter 1. Safety information
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO
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PERIGO PERIGO DANGER DANGER DANGER
Chapter 1. Safety information
DANGER DANGER DANGER DANGER DANGER
10 Hardware Maintenance Manual
VORSICHT
VORSICHT VORSICHT VORSICHT VORSICHT
Chapter 1. Safety information
VORSICHT VORSICHT VORSICHT
12 Hardware Maintenance Manual
Chapter 1. Safety information
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Chapter 1. Safety information
16 Hardware Maintenance Manual
Chapter 1. Safety information
18 Hardware Maintenance Manual
Korean Spanish Traditional Chinese
Laser compliance statement multilingual translations
Chapter 1. Safety information
English Arabic Brazilian Portuguese French German Hebrew Japanese
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Chapter 1. Safety information
22 Hardware Maintenance Manual
Chapter 1. Safety information
24 Hardware Maintenance Manual
Chapter 1. Safety information
26 Hardware Maintenance Manual
Strategy for replacing FRUs
Chapter 2. Important service information
Before replacing parts
For products shipped after June
Strategy for replacing a hard disk drive
Important notice for replacing a system board
Important information about replacing RoHS compliant FRUs
What to do first
Chapter 3. General checkout
The following are not covered under warranty
Checking the ac power adapter
Power system checkout
Checking operational charging
Checking the battery pack
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Power-on password
Chapter 4. Related service information
Recovering the computer settings
Passwords
Hibernation mode
Power management
Screen blank mode
Sleep mode
If the timer conditions are satisfied in suspend mode
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Chapter 5. Lenovo B575e
Specifications
100/1000 Mbps Ethernet communication
Status indicators
Integrated Bluetooth on some models Integrated WiMAX
Table 1. Status indicators
Table 2. Function key combinations
Fn key combinations
Table 1. Status indicators continued
The following table describes the functions of Fn key combinations
40 Hardware Maintenance Manual
Logic card to plastic
Chapter 6. FRU replacement notices
Screw notices
Plastic to plastic
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DANGER
1010 Battery pack
Chapter 7. Removing and replacing a FRU
Removal steps of battery pack 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 hard disk drive bracket
1040 Optical drive
Removal steps of the optical drive
Chapter 7. Removing and replacing a FRU
1050 Memory modules
For access, remove these FRUs in order “1010 Battery pack” on page
“1020 Bottom slot cover” on page
Removal steps of memory modules
1060 PCI Express Mini Card for wireless LAN
1 . Then remove the screw
Removal steps of PCI Express Mini Card for wireless LAN
Chapter 7. Removing and replacing a FRU
Removal steps of backup battery DANGER
1070 Backup battery
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Chapter 7. Removing and replacing a FRU
1080 Keyboard
For access, remove these FRUs in order “1010 Battery pack” on page
“1020 Bottom slot cover” on page
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
Chapter 7. Removing and replacing a FRU
Removal steps of keyboard bezel
Remove screws
that secure the keyboard bezel
Remove the screw
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Chapter 7. Removing and replacing a FRU
Detach the connectors
Removal steps of power board
1100 LED board and power board
Removal steps of LED board
1120 I/O board and RJ45 Ethernet board
1110 Microphone assembly
Removal steps of microphone assembly
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
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When installing
Removal steps of LCD unit
1150 Thermal fan assembly
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Removal steps of thermal fan assembly
Detach the connector in the direction shown by the arrow
When installing Make sure that the connector is attached firmly
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
2030 LCD panel, LCD cable, and hinges
2020 Integrated camera
Removal steps of integrated camera
Removal steps of LCD panel and hinges
Removal steps of antenna assembly
2040 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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Front view
Chapter 8. Locations
6 Fan louvers 7 VGA port 8 HDMI port on some models 9 USB connector
Bottom view
1 Battery latch manual 2 Battery pack 3 Battery latch spring-loaded
4 Security keyhole 5 ac power connector
“Power cords” on page
Chapter 9. Parts list
This chapter contains the following lists of the service parts
“Miscellaneous parts” on page “ac power adapters” on page
121001091
Overall
Table 3. Parts list-Overall
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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 4. Parts list - LCD
Keyboard
Table 5. Parts list - Keyboard Dafon
Table 6. Parts list - Keyboard Sunrex
Table 5. Parts list - Keyboard Dafon continued
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FRU no
Table 6. Parts list - Keyboard Sunrex continued
Table 7. Parts list - Keyboard Chicony
Language
Table 7. Parts list - Keyboard Chicony continued
ac power adapters
Power cords
Miscellaneous parts
FRU no
Table 11. Parts list - 3-pin power cords Linetek continued
Table 12. Parts list - 3-pin power cords Longwell
Country or region
Table 13. Parts list - 3-pin power cords Volex
Table 12. Parts list - 3-pin power cords Longwell continued
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Country or region
Table 13. Parts list - 3-pin power cords Volex continued
FRU no
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Lenovo United States, Inc 1009 Think Place - Building One
Appendix A. Notices
Morrisville, NC U.S.A Attention Lenovo Director of Licensing
Trademarks
Electronic emissions notices
Page
Part Number Printed in China 1P P/N
33