Lenovo N21 Chromebook Hardware Maintenance Manual page 29

Table 1. FRU (CRU) categories (continued)
7
Speakers
8
WLAN & Bluetooth combo module
9
I/O board
10
DC-in cable
11
Lower case
ac power adapter
Power cord
Note: A customer replaceable unit (CRU) is identified by a single asterisk (*) or two asterisks (**) in the CRU
ID column. A single asterisk (*) means that the part is a Self-service CRU; two asterisks (**) means that the
part is an Optional-service CRU. A Letter "N" in the CRU ID column means that the part is not a CRU.
N
N
N
N
N
*
*
.
Chapter 3
23
Idetifying FRUs (CRUs)