Ultrasonics and Machine Control Printed Circuit Boards
11-8 CUSA EXcel Ultrasonic Surgical Aspirator System Service Manual
Ultrasonics and Machine Control Printed Circuit Boards
This procedure includes the steps for removing, then re-installing the ultrasonics
printed circuit board (PCB) and the Machine Control PCB. These two PCB
assemblies are supplied as a set; replacing one requires replacing the other.
Tools Needed
You will need the following tools:
• Phillips screwdriver
• 7 mm nut driver
•ESD wrist strap.
Remove the Ultrasonics PCB
1. Turn off the AC Main Switch, located on the rear panel.
2. Unplug the power cord connector from the wall receptacle.
3. Remove the rear cover.
4. Disconnect the cable assemblies from the ultrasonics PCB. Refer to the
following table and Figure 11-3.
Table 11-1.
Cable connections on the
ultrasonics PCB
Notice
To avoid product damage, do not remove the jumper cable or the connector at J4.
Loc. Connector Wire Color
J12 40-pin ribbon cable
J9 20-pin ribbon cable
J1 10-pin connector yellow, brown, violet, blue, orange, red,
black
J3 5-pin connector violet, yellow
J8 large 2-pin connector red, black
J11 small 2-pin connector red, black
J15 4-pin connector red, black, orange, brown
J16 4-pin connector
(marked COOL)
red, black, yellow, gray
J17 4-pin connector
(marked IRR)
red, black, orange, violet
J18 2-pin connector black, black (twisted)
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