Valleylab CUSA EXcel-8 - Remove the Ultrasonics PCB; Ultrasonics and Machine Control Printed Circuit Boards

Ultrasonics and Machine Control Printed Circuit Boards
mm
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.
Table 11-1.
Cable connections on the ultrasonics
PCB
Tools Needed
You will need the following tools:
* Phillips screwdriver
¢ 7mm nut driver
» ESD wrist strap.
Remove the Ultrasonics PCB
1. Turn off the AC Main Switch, located on the rear panel.
Remove the rear cover.
от
Notice
Unplug the power cord connector from the wall receptacle.
Disconnect the cable assemblies from the ultrasonics PCB. Refer to the
following table and Figure 11-3.
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
Ji 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 red, black, yellow, gray
(marked COOL)
J17 4-pin connector red, black, orange, violet
(marked IRR)
J18 2-pin connector
black, black (twisted)
11-8 CUSA EXcel-8 System Service Manual