Internal Assemblies — Main Chassis
System-on-Module (SOM) PCA
The System-on-Module (SOM) PCA memory stores the device software and configuration data. When
you install a new SOM PCA, you must also:
Enter the device's serial number and enable options using the Service Mode menus.
Install the most recent software in the appropriate language using the Software Support tool. See
Give the user the README document that contains instructions for downloading the most recent
Efficia DFM100 Instructions for Use from the Philips' Documentation and Download web site
You need a T-8 screwdriver to detach or attach the SOM PCA.
Save the customer's configuration settings to a USB flash drive so the configuration can be restored
after the repair is complete. See the Efficia DFM100 Instructions for Use for information.
Open the Case. See
Remove the Measurement Module. See
Remove the Therapy Port. See
Remove the Printer Assembly. See
Remove the Main Chassis. See
Remove the Main PCA Module of the Main Chassis. See
Loosen and remove the two T-8 screws. See
Hold the two shorter sides of the SOM PCA next to the screw holes.
Using equal force on each side, gently detach the SOM PCA from the Processor PCA.
Do not wiggle or twist the SOM PCA to avoid excessive stress on the connectors between the SOM
PCA and Processor PCA.
There is a key-in feature on the rectangular connectors. Align the key-in during installation, see
on page 178 for part numbers.
"Opening the Case"
"Separating Main Chassis and Rear Case"
SOM PCA Removal
on page 90.
on page 109.
on page 111.
"Disassembling Main Chassis"
on page 107.
on page 113.