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LIFEPAK 500 automated external defibrillator Replacement Procedures
11-39
Replacing Main PCB—Monophasic AED Page 2 of 3
To replace the Main PCB:
1. Place the AED on the work surface with the handle facing forward.
2. Disconnect P9 of the speaker cable from J9 on the right underside of the
Main PCB.
3. Carefully lift the main PCB off of the four PCB mounts and tilt the board
toward the left, exposing the underside of the Main PCB.
4. Disconnect P3 of the serial cable from J3 of the Main PCB.
5. Disconnect P12 of the power cable from J12 of the Main PCB.
6. Disconnect the five spade-lugs P1, P2, P4, P5, and P14 from Main PCB J1,
J2, J4, J5, and J14, respectively. Do not pull on the wires.
7. Carefully remove the Main PCB and place it in a static-protective bag, and
set it aside.
8. If not already present, install four new mounting grommets from the Main
PCB Installation Kit onto the replacement Main PCB.
9. If not already present, install five new switch caps from the Main PCB
Installation Kit onto the replacement Main PCB.
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