Physio Control LIFEPAK 500 - Page 162

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LIFEPAK 500 automated external defibrillator Replacement Procedures
11-52
Replacing Biphasic PCB—Biphasic AED Page 2 of 2
To replace the Biphasic PCB:
1. Gently lift the Biphasic PCB out of its well and tilt the front edge up, exposing
the underside.
2. Disconnect the seven spade-lugs P101, P102, P103, P104, P105, P107, and
P108, from J101, J102, J103, J104, J105, J107, and J108, respectively, on
the underside of the Biphasic PCB. Do not pull on the wires.
3. Disconnect P106 of the Data Cable from J106 of the Biphasic PCB.
4. Carefully remove the Biphasic PCB and place it in a static-protective bag.
5. Select the replacement Biphasic PCB. Connect P106 of the Data Cable to
J106 of the replacement Biphasic PCB.
6. Connect the seven spade-lugs P101, P102, P103, P104, P105, P107, and
P108, to J101, J102, J103, J104, J105, J107, and J108, respectively, of the
replacement Biphasic PCB.
7. Reposition the Biphasic PCB over its well, gently moving and routing wires to
seat the Biphasic PCB without interference. The wires under the Biphasic
PCB must not lay against the Inductive Resistor coil. The right edge of the
Biphasic PCB should compress the foam tape. This helps retain the PCB in
position while the Main PCB is seated in position over it.
Jump to the Reseating Main PCB procedure.
Biphasic PCB
Shield (Attached to
underside of Main PCB)
Foam
Tape