HP ENVY 14-j100 Maintenance and Service Guide - Page 64

When replacing the system board, be sure that the following components are removed

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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: ● WLAN module (see WLAN module on page 32) ● Heat sink (see Heat sink on page 56) ● Memory module (see Memory module on page 34) Remove the system board: 1. Disconnect the following cables from the system board: ● (1) WLAN antenna cables from the terminals on the WLAN module NOTE: The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/black WLAN antenna cable connects to the WLAN module #2/Aux terminal. ● (2) Subwoofer cable ● (3) Power connector cable ● (4) Hard drive ZIF connector cable ● (5) TouchPad board ZIF connector cable ● (6) Keyboard backlight ZIF connector cable 2. Disconnect the following cables from the system board: ● (1) Keyboard ZIF connector cable ● (2) Fingerprint reader board ZIF connector cable ● (3) RTC battery cable ● (4) Card reader board ZIF connector cable ● (5) Front speakers cable 54 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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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:
●
WLAN module (see
WLAN module
on page
32
)
●
Heat sink (see
Heat sink
on page
56
)
●
Memory module (see
Memory module
on page
34
)
Remove the system board:
1.
Disconnect the following cables from the system board:
●
(1)
WLAN antenna cables from the terminals on the WLAN module
NOTE:
The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal.
The #2/black WLAN antenna cable connects to the WLAN module #2/Aux terminal.
●
(2)
Subwoofer cable
●
(3)
Power connector cable
●
(4)
Hard drive ZIF connector cable
●
(5)
TouchPad board ZIF connector cable
●
(6)
Keyboard backlight ZIF connector cable
2.
Disconnect the following cables from the system board:
●
(1)
Keyboard ZIF connector cable
●
(2)
Fingerprint reader board ZIF connector cable
●
(3)
RTC battery cable
●
(4)
Card reader board ZIF connector cable
●
(5)
Front speakers cable
54
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts