HP Tc4400 HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 145

System Board, System Board Spare Part Number Information

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Removal and Replacement Procedures 5.21 System Board System Board Spare Part Number Information System board 419116-001 ✎ When replacing the system board, be 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 computer 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. Display assembly (Section 5.15) h. Button board (Section 5.16) i. Top cover (Section 5.17) j. Speaker (Section 5.19) k. Infrared board (Section 5.20) Maintenance and Service Guide 5-63

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Removal and Replacement Procedures
Maintenance and Service Guide
5–63
5.21
System Board
✎
When replacing the system board, be 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 computer 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.
Display assembly (
Section 5.15
)
h.
Button board (
Section 5.16
)
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
419116-001