Volume Control Cable Replacement - Covidien Valleylab LS10 Service Manual

Replacement Procedures
Disconnect the power supply control cable from J3 on the power supply.
4.
Using the screwdriver, remove the Power Entry with cable wires from the power
5.
supply. View looking forward from the back panel, left to right, red, blue, and green.
Remove the 4 screws holding the power supply to the chassis and lift the module out
6.
of the chassis.
Remove the 6 screws holding the chassis mounting bracket to the power supply and
7.
remove the bracket.
using the screwdriver, loosen the 2 screws securing the power supply cable to the
8.
power supply and remove the cable.
Obtain the replacement power supply and attach the chassis mounting bracket using
9.
the six screws from step 7. Tighten to 0.7Nm ±10%.
Insert the replacement power supply cable to the 2 screws on the power supply
10.
making certain that the red wire is seated behind the top screw. Secure using the
Phillips torque screwdriver set to 1.0Nm ±10%.
Install the power supply into the chassis using the 4 screws removed in step 6.
11.
Using the screwdriver, secure the Power Entry with cable wires to the power supply.
12.
View looking forward from the back panel, left to right, red, blue, and green.Tighten
to 1.0Nm ±10%.
Connect the power supply control cable from the main PCBA P31 to the power
13.
supply at J3.
Connect the power supply cable from the power supply to P30 on the main PCBA.
14.
Replace the top cover onto the chassis and secure with the 4 screws removed in step
15.
2.

Volume Control Cable Replacement

Turn the system off. Disconnect the power cord from the wall receptacle.
1.
Remove the 4 screws that secure the top cover to the chassis. Lift the cover off the
2.
chassis. Set the cover and screws aside for reinstallation.
Disconnect the volume control cable from the main PCBA at P28.
3.
Using the 12 mm wrench, remove the nut and washer securing the cable to the back
4.
panel and remove the cable.
Get the replacement volume control cable and disassemble the nut and washer from
5.
the cable.
Insert the cable into the cutout in the back panel.
6.
Making sure that the white wire is facing up, put the washer and nut over the
7.
threaded stud and tighten with the wrench.
Insert the connector into P28 on the main PCBA.
8.
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