HP TouchSmart tm2-2100 HP TouchSmart tm2 Notebook PC - Maintenance and Service - Page 72

power switch board cable, When replacing the system board

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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: ● Memory module (see Memory module on page 40) ● WLAN module (see WLAN module on page 43) ● RTC battery (see RTC battery on page 47) ● Power connector and cable (see Power connector and cable on page 65) ● Fan (see Fan on page 66) ● Heat sink (see Heat sink on page 67) Remove the system board: 1. Disconnect the Bluetooth module cable (1) from the system board. 2. Release the ZIF connector to which the power switch board cable is connected, and disconnect the power switch board cable (2) from the system board. 3. Remove the four Phillips PM2.5×4.0 screws (1) that secure the system board to the base enclosure. 4. Remove the two Phillips PM2.5×4.0 screws (2) that secure the power connector to the base enclosure. 62 Chapter 4 Removal and replacement procedures

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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:
●
Memory module (see
Memory module
on page
40
)
●
WLAN module (see
WLAN module
on page
43
)
●
RTC battery (see
RTC battery
on page
47
)
●
Power connector and cable (see
Power connector and cable
on page
65
)
●
Fan (see
Fan
on page
66
)
●
Heat sink (see
Heat sink
on page
67
)
Remove the system board:
1.
Disconnect the Bluetooth module cable
(1)
from the system board.
2.
Release the ZIF connector to which the power switch board cable is connected, and disconnect the
power switch board cable
(2)
from the system board.
3.
Remove the four Phillips PM2.5×4.0 screws
(1)
that secure the system board to the base
enclosure.
4.
Remove the two Phillips PM2.5×4.0 screws
(2)
that secure the power connector to the base
enclosure.
62
Chapter 4
Removal and replacement procedures