HP ProBook 6455b Maintenance And Service Manual page 143

l. Speaker assembly (see
m. Card reader/USB board (see
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:
●
SIM (see
●
Expansion and primary memory modules (see
Expansion memory module on page
●
WLAN module (see
●
WWAN module (see
●
RTC battery (see
●
Processor (see
●
Modem module (see
●
Bluetooth module cable (see
Remove the system board:
1. Disconnect the following cables:
●
Bluetooth module cable (1) from the system board
●
Modem module cable (2) from the modem module
●
External monitor cable (3) from the system board
136 Chapter 4 Removal and replacement procedures
Speaker assembly on page
SIM on page 75)
WLAN module on page
WWAN module on page
RTC battery on page
Processor on page
Modem module on page
Bluetooth module cable on page
129)
Flash media/1394 board on page
Primary memory module on page 94
81)
83)
86)
96)
106)
127)
132)
and
131)