Lenovo T520i, 4284WW9PC10B371, W520 manual Parts list, Self-service CRUs, Optional-service CRUs

Chapter 11. Parts list

This chapter contains following lists of the service parts.

•“Overall” on page 108

•“LCD FRUs” on page 149

•“Keyboard” on page 156

•“Miscellaneous parts” on page 157

•“AC adapters” on page 158

•“Power cords” on page 159

•“Recovery discs” on page 160

•“Common service tools” on page 164

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.ThinkPad Notebooks 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, and keyboard.

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.

• FRUs marked with

OP

are available as options.

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