HP Pro Mini 400 G9 Desktop PC Maintenance and Service Guide - Page 48

Wireless antennas and cables, Remove the fan see

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Table 4-2 System board callouts Item Component (1) Processor (2) System fan (3) Memory modules (4) Memory modules (5) Speaker (6) Ambient sensor Item Component (7) WLAN module (8) RTC battery (9) Solid-state drive (10) Hard drive (11) Flex I/O board #1 Wireless antennas and cables To remove the wireless antennas and cables, use these procedures. The cables route from the WLAN module to the antennas mounted on the front of the computer. Before removing the wireless antennas and cables, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 20). 2. Remove the access panel (see Access panel on page 20). 3. Remove the fan (see Fan on page 26). 4. Remove the heat sink (see Processor heat sink on page 36). 5. If installed, remove flex I/O connector board #1 (see Flex I/O connector board #1 on page 33). 6. If installed, remove flex I/O connector board #2 (see Flex I/O connector board #2 on page 34). 7. If installed, remove the hard drive and drive cage (see Hard drive and drive cage on page 27). Remove the wireless antennas: 1. From the inside of the chassis, remove the antenna cables from the clips (1). 2. From the front of the chassis, remove the Phillips screw from each antenna (2). Wireless antennas and cables 41

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Table 4-2
System board callouts
Item
Component
Item
Component
(1)
Processor
(7)
WLAN module
(2)
System fan
(8)
RTC battery
(3)
Memory modules
(9)
Solid-state drive
(4)
Memory modules
(10)
Hard drive
(5)
Speaker
(11)
Flex I/O board #1
(6)
Ambient sensor
Wireless antennas and cables
To remove the wireless antennas and cables, use these procedures. The cables route from the WLAN module
to the antennas mounted on the front of the computer.
Before removing the wireless antennas and cables, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
20
).
2.
Remove the access panel (see
Access panel
on page
20
).
3.
Remove the fan (see
Fan
on page
26
).
4.
Remove the heat sink (see
Processor heat sink
on page
36
).
5.
If installed, remove flex I/O connector board #1 (see
Flex I/O connector board #1
on page
33
).
6.
If installed, remove flex I/O connector board #2 (see
Flex I/O connector board #2
on page
34
).
7.
If installed, remove the hard drive and drive cage (see
Hard drive and drive cage
on page
27
).
Remove the wireless antennas:
1.
From the inside of the chassis, remove the antenna cables from the clips
(1)
.
2.
From the front of the chassis, remove the Phillips screw from each antenna
(2)
.
Wireless antennas and cables
41