6–54 Maintenance and Service Guide
Removal and Replacement Procedures
6.22 System Board
✎
When replacing the system board, ensure that the following
components are removed from the defective system board and
installed on the replacement system board:
■ Memory modules (Section 6.7 and Section 6.14)
■ TPM security card (Section 6.8)
■ Processor (Section 6.13)
■ Mini PCI communications card (Section 6.15)
■ Modem board (Section 6.23)
■ RTC battery (Section 6.24)
1. Prepare the notebook for disassembly (Section 6.3)
and remove the following components:
a. Hard drive (Section 6.4)
b. Bluetooth module (Section 6.6)
c. Keyboard cover (Section 6.9)
d. Keyboard (Section 6.10)
e. Fan (Section 6.11)
f. Heat sink (Section 6.12)
g. Display assembly (Section 6.16)
h. Button board (Section 6.17)
i. Top cover (Section 6.18)
j. Speaker (Section 6.20)
k. Infrared board (Section 6.21)
System Board Spare Part Number Information
System board 383515-001
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