HP Dragonfly Folio, Maintenance And Service Manual

Page: 60 / 109

Table 5-14 Antenna barrel description and part number
Description Spare part number
Antenna barrel (WWAN) N22928-001
Antenna barrel (WLAN) N22927-001
Bumpers (included in Rubber Kit) N22933-001
Before removing the antenna barrel, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 33 ).
2. Remove the bottom cover (see Bottom cover on page 33 ).
3. Disconnect the battery cable from the system board (see Battery on page 42 ).
4. Remove the system board (see System board and audio jack on page 50 ).
Remove the antenna barrel:
1. Remove the three rubber plugs from the barrel (1).
2. Remove the five Phillips M2.0 × 4.0 screws (2) that secure the antenna barrel to the computer.
NOTE: Three of the screws are removed vertically. Two of the screws are removed horizontally.
3. Peel up the orange cable that covers the barrel (3).
4. Remove the antenna barrel cables, from the left and right ends of the barrel, from the clips along the top
of the computer (4).
NOTE: If orange Mylar covers each hinge, gently pull up to release the Mylar.
5. Remove the antenna barrel from the computer (5).
Reverse this procedure to install the antenna barrel.
54 Chapter 5 Removal and replacement procedures for authorized service provider parts