Replace The Main Board (Pca-01)/ Contrast Adjustment - Cardinal Health AirLife nCPAP Hardware Service Manual

12.9 Replace the Main Board (PCA-01)
The power switch does not disconnect the driver from the main power
supply. This can only be accomplished by disconnecting the AC Adapter
This assembly contains electronic components that are ESD sensitive.
ESD control and handling measures should be followed while performing
1. Remove Front Panel Assembly per instructions in section 12.3, and place face down
on clean work surface.
2. Disconnect the 4-pin connector.
3. Remove four (4) mounting screws using a 5/64" Allen wrench.
4. Tilt the Main Board (PCA-01) up and locate the two (2) ribbon cable connectors.
Gently disconnect both cables.
© © © © 2008, Cardinal Health
WARNING
from either the driver or the AC outlet.
CAUTION
this process.
Page 49 of 81
®
AirLife nCPAP Driver Service Manual