Power Connector Assembly - HP ProBook 4520s Maintenance And Service Manual

3. Lift the R-11 connector (2) from its holder and out of the base enclosure.
Reverse this procedure to install the RJ-11 connector assembly.

Power connector assembly

NOTE: The power connector assembly is included in the Base Cable Kit, spare part number
603188-0001 for computers with 17.3-in displays and 599807-001 for computers with 15.6-in
displays.
Before removing the power connector assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Switch cover and keyboard (see
b. Optical drive (see
c. Power button board cable (see
d. Speakers (see
Battery on page 50).
Switch cover and keyboard on page
Optical drive on page
Power button board on page
Speakers on page 60)
56)
58)
Component replacement procedures 109
51)