21 system board, 21 system board –55, Section 5.21, “system – HP TC4400 User Manual
Page 138: Board, System board

Removal and Replacement Procedures
Maintenance and Service Guide
5–55
5.21 System Board
✎
When replacing the system board, make sure that the following
components are removed from the defective system board and
installed on the replacement system board:
■
Memory modules (
■
■
Mini Card WLAN module (
)
■
Modem module (
)
■
RTC battery (
)
1. Prepare the tablet PC for disassembly (
)
and remove the following components:
a. Hard drive (
)
)
c. Keyboard cover (
d. Keyboard (
e. Fan (
)
f. Heat sink (
g. Button board (
i. Top cover (
j. Speaker (
)
System Board Spare Part Number Information
System board
383515-001
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