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LIFEPAK 500 automated external defibrillator Replacement Procedures
11-46
Replacing Main PCB—Biphasic AED Page 2 of 3
3. LIFEPAK 500 Biphasic AED equipped with Readiness Display only:
Disconnect P20 of the Readiness Display cable from J20 of the Main PCB.
4. 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.
5. Disconnect P3 of the serial cable from J3 of the Main PCB.
6. Disconnect P12 of the power cable from J12 of the Main PCB.
7. Disconnect the four spade-lugs P2, P4, P13, P15, and P19 from Main PCB
J2, J4, J13, J15, and J19, respectively. Do not pull on the wires.
8. Disconnect P11 of the data cable from J11 of the Main PCB.
9. Disconnect P16 from J16 of the Main PCB.
10. Carefully remove the Main PCB, place it in a static-protective bag, and set it
aside.
11. Select the replacement Main PCB. If mounting grommets are not installed,
install new grommets from the Main PCB Installation Kit in the four key slots.
12. If switch caps are not already present, install five new switch caps from the
Main PCB Installation Kit onto the replacement Main PCB. Replace or
reinstall the Biphasic PCB Shield using double-stick tape, to the metal shield
on the underside of the Main PCB.
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