d. Access the Defibrillator Main Circuit Board.
(1) Remove the defibrillator/cardioscope from the Model Porta Pak 90 case to
access the defibrillator main circuit board components.
(a) Remove the defibrillator cover plate as a single unit by leaving the
three screws (refer to arrows in figure 1-8) on the panel installed and removing the
remaining eight screws.
(b) Reach through the paddle set connector opening (at the rear of the
defibrillator) and, with your other hand at the front panel edge, carefully lift up the
defibrillator cover plates.
Figure 1-8. Defibrillator cover plate removal.
Inspect all external surfaces.
Check for physical damage.
Check for breakage.
Check for loose or dirty contacts.
Check for missing components.
Inspect the printed circuit board surfaces. Refer to figure 1-9.
Check for discoloration.
Check for cracks and breaks.
Check for warping.