Internal Assemblies - Bottom Case
4-90 Removal and Replacement
Power Supply
The following sections describe how to remove and replace the Power Supply.
Preparation
1. Save the configuration.
If possible, save the customer’s configuration onto a Data Card (or print
the configuration) so the configuration can be restored after the repair is
complete.
2. Open the case safely.
See "Opening the Case" on page 4-24.
Removal
1. Remove the screws.
a. Orient the M4735A so the end of the bottom case is hanging off the
work surface. See Figure 4-45.
b. Remove the two T15 screws that secure the Power Supply.
TIP: Another way to remove the screws is to mate the case halves
together, flip the case upside down, then remove the screws. Then
flip the case rightside up and unmate the case halves.
2. Disconnect the Power Supply.
a. Disconnect the 2-pin in-line connector from the Battery PCA; press
on the latch to release.
b. Disconnect the 6-pin connector from the Power PCA; press on the
latch to release.
c. Disconnect the 4-pin connector from the Power PCA; press on the
latch to release.
3. Lift the Defibrillator Capacitor out of the way.
Lift up the Defibrillator Capacitor together with its foam base. Lift
straight up, then turn the capacitor to the right and rest it on the Power
PCA. See Figure 4-41 on page 4-85.
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