Power Conversion Pcb Removal; Main Pcb Removal; Display Pcb/Crt Assembly Removal - Physio Control LIFEPAK 9 Service Manual

LIFEPAK 9 defibrillator/monitor
Power Conversion Complete Case Separation. Refer to Figure 4-2, page 4-9:
PCB Removal
1. Disconnect J17 and J18, located on the Power Conversion PCB (A3).
2. Push the Interconnect PCB (AS5) locking tabs up to clear the notches in
the Power Conversion PCB.
3. Pull the Power Conversion PCB away from the Interconnect PCB to
disconnect J14 and lift the Power Conversion PCB out of the board
guide.
4. Disconnect J10 through J13, then J15 and J16.
5. Temporarily place the Power Conversion PCB back into its original
position. Remove the four screws (41) from the rear panel (31),
disconnect J19, and free the rear panel from the chassis (7).
6. Disconnect J32 (wire labeled 2, goes to wave shaping inductor) and J9
(wire labeled 1 goes to Transfer Relay).
Main PCB Removal Complete Case Separation. Refer to Figure 4-2, page 4-9:
1. Press down the quick-release levers and disconnect J4 and JS.
2. Disconnect J22 on the Main PCB (Al).
3. Push the Interconnect PCB (A5) locking tabs up off of the notches in the
Main PCB.
4. Pull the Main PCB away from the Interconnect PCB to disconnect P7
and lift the Main PCB out of the board guide.
5. Disconnect J8 and J9.
Display PCB/CRT Complete Case Separation. Refer to Figure 42, page 4-9:
Assembly Removal
1. Press down the quick-release levers and disconnect J901 on the Display
PCB/CRT Assembly (A11).
2. Remove four screws (41) to remove the Display PCB/CRT Assembly.
4-10 All Rights Reserved © August 1993 Physio—Control