Service manual

52 Chapter 6: Replacement Procedures
Main PCBA Replacement
Replace the Main PCBA by following the reverse of the removal procedure. Do not tighten all the screws until
everything is in place.
1 Connect the USB Extension PCB Assembly to the Main PCBA.
2 Replace the Main PCBA.
3 Reinstall the Fan Assembly.
4 Reinstall the Nest Frame Assembly. The Nest Frame Socket Head Cap Screws should be torque to 4.5-inch
pounds.
Caution:
The Nest Frame is keyed onto the Main PCBA via two smaller and two larger hole sizes. Installing incorrectly (180
degrees out) will result with the EDGE system unable to recognize any connected transducers. Refer to
Figure 6.14.
5 Reconnect the speaker wires.
6 Reinstall the Power Supply PCBA.
7 Reinstall the SD Card Daughter-card.
8 Reinstall the Power Supply Shield.
9 Tighten all screws to their specified torque of 5.5-inch pounds.
10 Reinstall the Control Panel.
11 Reinstall the Top Enclosure Assembly.
12 Reinstall the Bottom Enclosure.
Middle Machined Enclosure Replacement
Required Parts
• P15304-04 Enclosure, Middle, Machined
• P15984-01 Gasket, EMI/ESD (2 Required)
• P07885-01 Thermal Pad, 1.00 x 1.00 x 0.100” (4 Required)
• P07886-01 Thermal Pad, 0.35 x 0.35 x 0.100” (4 Required)
Middle Machined Enclosure Replacement
Note: The EMI/ESD Gaskets and the Thermal Pads may be reused from the old assembly but advise having new items
to ensure that these will contact the necessary areas properly.
1 Refer to P15304 for a view of the Middle Machined Enclosure on page 73.
2 Follow all the above procedures to remove all PCB and PCBA assemblies as well as all the hardware fastened
from the original Middle Machined Enclosure.
3 Transfer all the components to the new Middle Machined Enclosure.
4 Finish assembly by reversing step 2.
Bottom Enclosure Replacement
Required Parts
Note: Contact SonoSite Technical Support if it is necessary to replace the bottom enclosure. Ordering the bottom
enclosure requires special handling due to the serial number label