PV 101+/PV 102+ Service Manual REMOVING/REPLACING THE MAIN COMPONENTS
Doc. No. 003259 En Issue: X-1 BREAS MEDICAL 3–7
3.6 Removing and replacing the power board
To remove the power board:
1 Remove the upper casing (See section 3.2).
2 Remove the main assembly (See section 3.4).
3 Remove the blower assembly (See section 3.5).
4 Move aside the patient air and sensor tubing. Disconnect the power cables to the
external DC and mains supplies on the MDA board.
5 Disconnect the DC control cable from the PSU board.
6 Unscrew the two screws that hold the rear part of the power board, and remove
the two nuts under the base plate.
7 Pinch the two securing pins on the front part of the power board, e.g. by using a
screwdriver, and lift up the power board from the base plate.
To reassemble the power board:
• Reassemble in reverse order.
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