Power Entry Module (Pem) Removal/Installation; Figure 6-5: Power Entry Module - Nellcor NPB-190 Service Manual

Section 6: Disassembly Guide
6.7

POWER ENTRY MODULE (PEM) REMOVAL/INSTALLATION

6-6
8. Turn the monitor on and verify proper operation.
Removal
1. Complete the procedure in paragraphs 6.2 and 6.4.
2. While pushing the top of the PEM in from the outside of the case, gently
push the case to the outside and lift up on the PEM.
3. Use needle-nose pliers to disconnect the leads from the PEM (see Figure 6-
5).

Figure 6-5: Power Entry Module

Installation
4. Reconnect the three leads. The blue "N" wire, from the power supply goes
to the terminal labeled "N" on the PEM. The brown "L" wire, from the
power supply connects to the terminal labeled "L" on the PEM. The center
terminal at the top of the PEM is for the ground wire (Figure 6-6).
5. Install the PEM in the bottom case with the fuse drawer facing down. A tab
in the bottom case holds the PEM in place. Insert the bottom wing of the
PEM between the tab and the internal edge of the side wall of the bottom
case. Push the PEM down and towards the outside of the monitor until it
clicks into place.
G
N
L