Power Supply Assembly Replacement; Drive Pcb Stack: Psoc Pc Board (Upper Pcb) - Dentsply Sirona Cavitron 300 Series Service Manual

32. Plug the power cord into the power entry module.
33. Reconnect the blue water hose to the push-lock
water fitting.
34. Power up the unit using the power rocker switch
and test unit operation.
35. Calibrate and final test the Cavitron
Scaler using the Dentsply Sirona Preventive -
Product Service Standard Operating Procedure,
PS-00211.
36. Align the Cover on the Bottom Housing and
securely fasten the four (4) #6 x 1/2" Hi-Lo Torx
screws using a screwdriver.
F.

Power Supply Assembly Replacement:

1. Follow the steps above in Section A for "Top Cover
Removal."
2. Ensure that the power cord has been unplugged
from the rear power entry module.
3. Unplug the Black-White wire connector from the
back of the power supply assembly.
4. Unplug the Red-Black wire connector from the
front of the power supply assembly.
5. Use a #1 Phillips screwdriver and remove the
four (4) #4-40 x 1/4" machine screws at the four
corners of the power supply assembly.
6. Install the replacement power supply on the metal
studs. Apply Loctite 242 Threadlocker to the four
(4) #4-40 x 1/4" machine screws. Torque them to
2 + 0.5 in.-lbs.
7. Install the Black-White wire connector and the
Red-Black wire connector to the power supply
assembly. Ensure the connectors are fully seated.
14
300 Series
®
Power
Supply
8. On the back of the cover assembly, plug the two-
Assembly
9. Align and place cover assembly on the scaler unit.
10. Plug the power cord into the power entry module.
11. Reconnect the blue water hose to the push-lock
12. Power up the unit using the power rocker switch
13. Calibrate and final test the Cavitron
14. Align the Cover on the Bottom Housing and
G. PSOC PC Board Replacement:
(Upper PC Board Assembly)
1.
2.
3. Unplug the 5-wire connector (front-right) from
wire connector into J1 and the 5-wire connector
into J2 from the FPGA PC board. Ensure the two
wire harnesses are tied together with a nylon
cable tie.
water fitting.
and test unit operation.
Scaler using the Dentsply Sirona Preventive -
Product Service Standard Operating Procedure,
PS-00211.
securely fasten the four (4) #6 x 1/2" Hi-Lo Torx
screws using a screwdriver.
Follow the steps above in Section A for "Top Cover
Removal."
Ensure that the power cord has been unplugged
from the rear power entry module.
J13 on the PSOC PC Board.
Black-White
Wire
Connector
Red-Black
Wire
Connector
300 Series
®
PSOC PC
Board
Assembly
(Upper)