Service manual
50 Chapter 6: Replacement Procedures
USB Extension PCB Assembly Replacement
Required Part
• P14727 USB Extension PCB Assembly
USB Extension PCB Assembly Removal
Note: Please proceed to the Main PCBA Replacement section as all the steps detailed to replace the Main PCBA will
require the removal of the USB Extension PCB Assembly.
Main PCBA Replacement
Main PCBA Removal
1 Remove the Power Supply PCBA and SD Card Daughter-card as described in the previous steps.
2 Disconnect the power cable to the Fan Assembly and remove the 2 screws mounting the Fan Assembly. Refer
to Figure 6.14.
Figure 6.14 Fan Assembly Screws
3 Remove the 5 screws holding the Main PCBA and the 2 screws holding the USB Extension PCB onto the EDGE
Base. Refer to Figure 6.15.
4 Disconnect the speaker wires from the Main PCBA.
Caution:
Use caution when removing the left speaker connector to prevent damage to the Main PCBA components around
the connector.
Screws (2x)
Large Hole (key)
Small Hole










