Lenovo ThinkPad L520 Hardware Maintenance Manual - Page 119

Parts list, ac power adapters

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Chapter 10. Parts list This chapter contains following lists of the service parts. • "Overall" on page 114 • "LCD FRUs" on page 137 • "Keyboard" on page 142 • "Miscellaneous parts" on page 143 • "ac power adapters" on page 145 • "Power cords" on page 145 • "Recovery discs" on page 146 • "Common service tools" on page 154 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. • FRU with specific models listed and described as xxU (where U is an example of a country designator) should be used for all models ending in U. • FRU with specific models listed and described as 3Dx (where 3D is an example of a unique configuration) should be used for all of these models, unless specific country or region designator is specified. • A CRU (customer replaceable unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column. An N in the CRU ID column means that the part is not a CRU. A single asterisk (*) means that the part is a Self-service CRU; two asterisks (**) means that the part is an Optional-service CRU. External CRU statement to customers: Some problems with your product can be resolved with a replacement part you can install yourself, called a "Customer Replaceable Unit" or "CRU." Some CRUs are designated as Self-service CRUs and others are designated as Optional-service CRUs. Installation of Self-service CRUs is your responsibility; you may request that Lenovo installs an Optional-service CRU according to the warranty service for your product. Where you are installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You may find a list of CRUs in the publications that ship with your product or at http://www.lenovo.com/CRUs. You may be required to return the defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you may be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details. ThinkPad computers contain the following types of CRUs: - Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other Self-service CRUs depending on product design may include the memory module, wireless card, keyboard, and palm rest with finger print reader and touchpad. - Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access panel that is typically secured by more than two screws. Once the access panel is removed, the specific CRU is visible. © Copyright Lenovo 2011, 2012 113

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Chapter 10.
Parts list
This chapter contains following lists of the service parts.
•
“Overall” on page 114
•
“LCD FRUs” on page 137
•
“Keyboard” on page 142
•
“Miscellaneous parts” on page 143
•
“ac power adapters” on page 145
•
“Power cords” on page 145
•
“Recovery discs” on page 146
•
“Common service tools” on page 154
Notes:
•
Each FRU is available for all types or models, unless specific types or models are specified.
•
FRU with specific models listed and described as xxU (where U is an example of a country designator) should be
used for all models ending in U.
•
FRU with specific models listed and described as 3Dx (where 3D is an example of a unique configuration) should be
used for all of these models, unless specific country or region designator is specified.
•
A CRU (customer replaceable unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column. An
N in the CRU ID column means that the part is not a CRU. A single asterisk (*) means that the part is a Self-service
CRU; two asterisks (**) means that the part is an Optional-service CRU.
External CRU statement to customers:
Some problems with your product can be resolved with a replacement part you can install yourself, called
a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as Self-service CRUs and others are
designated as Optional-service CRUs.
Installation of Self-service CRUs is your responsibility; you may request
that Lenovo installs an Optional-service CRU according to the warranty service for your product.
Where you are
installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped
with your product and are available from Lenovo at any time upon request. You may find a list of CRUs in the
publications that ship with your product or at http://www.lenovo.com/CRUs. You may be required to return the
defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label,
and a container will be included with the replacement CRU; and (2) you may be charged for the replacement CRU if
Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your
Lenovo Limited Warranty documentation for full details.
ThinkPad computers contain the following types of CRUs:
–
Self-service CRUs:
These CRUs unplug or are held by no more than two screws. Examples of these types
of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other Self-service CRUs
depending on product design may include the memory module, wireless card, keyboard, and palm rest with
finger print reader and touchpad.
–
Optional-service CRUs:
These CRUs are isolated parts within the computer that are concealed by an access
panel that is typically secured by more than two screws. Once the access panel is removed, the specific
CRU is visible.
© Copyright Lenovo 2011, 2012
113