HP TC4400 - Manual (Page 138)

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 ( Section 5.7 and Section 5.13 )
■ Processor ( Section 5.12 )
■ Mini Card WLAN module ( Section 5.14 )
■ Modem module ( Section 5.22 )
■ RTC battery ( Section 5.23 )
1. Prepare the tablet PC for disassembly ( Section 5.3 )
and remove the following components:
a. Hard drive ( Section 5.4 )
b. Bluetooth module ( Section 5.6 )
c. Keyboard cover ( Section 5.8 )
d. Keyboard ( Section 5.9 )
e. Fan ( Section 5.10 )
f. Heat sink ( Section 5.11 )
g. Button board ( Section 5.16 )
h. Display assembly ( Section 5.15 )
i. Top cover ( Section 5.17 )
j. Speaker ( Section 5.19 )
k. Infrared board ( Section 5.20 )
System Board Spare Part Number Information
System board 383515-001