Covidien WarmTouch, Service Manual

Page: 135 / 314

User Interface (UI) PCBA Replacement
Service Manual 10-17
7.
Attach the UI PCBA to the mounting screws as follows:
a.
Make sure that the display is still seated in the display window.
b.
Make sure that the nylon spacers are still on the mounting screws.
c.
Position the PCBA on the mounting screws with the USB cable at the top.
Make sure that the display cable and keypad cable aren’t caught behind the
PCBA.
d.
Place a shoulder washer on each mounting screw positioned so that the
bottom of the shoulder will rest against the top surface of the PCBA.
e.
Place a lock washer on each mounting screw.
f.
Place a nut on each mounting screw. Tighten the nuts to 0.4 to 0.6 N-m (3.5
to 5.3 lb-in).
8.
Connect the remaining cables to the UI PCBA as follows ( Figure 10-11 on
page 10-14):
a.
Lift the locking tab at the J207 connector, and insert the display cable until it
stops against the end of the connector. Press the locking tab down to secure
the cable. Pull lightly on the cable to make sure it is fully attached.
b.
Open the locking ears at the P204 connector, and connect the ribbon cable
from the Power PCBA. Make sure the locking ears close completely on the
connector.
c.
Slide the locking bar up from the J204 connector, and slide the keypad cable
completely into the connector in front of the locking bar. Press down on both
sides of the locking bar to secure the cable. The locking bar must be complete-
ly seated on both sides (
Figure 10-14 on page 10-18).