Removal and Replacement Procedures
Maintenance and Service Guide
5–47
5.21 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:
■
Mini PCI communications board (Section 5.5)
■
Bluetooth wireless communications board (Section 5.7)
■
Modem board (Section 5.9)
■
Memory expansion boards (Section 5.10)
■
Processor (Section 5.15)
■
RTC battery (Section 5.18)
■
Bottom board (Section 5.20)
1. Prepare the notebook for disassembly (Section 5.3) and
remove the following components:
❏
MultiBay device (Section 5.6)
❏
Keyboard (Section 5.8)
❏
Memory shield (Section 5.10)
❏
Switch cover (Section 5.11)
❏
Keyboard plate (Section 5.12)
❏
Fan assembly (Section 5.13)
❏
Heat sink (Section 5.14)
❏
Display assembly (Section 5.16)
❏
Top cover (Section 5.17)
❏
LED board (Section 5.19)
❏
Bottom board (Section 5.20)
Spare Part Number Information
System boards
Includes 64-MB discrete video memory
Includes 32-MB discrete video memory
346885-001
344401-001