Respironics Millennium H600 Service And Technical Reference Manual page 178

M PCB R
AIN EPLACEMENT
Electronic components used in this unit are subject to damage from static electricity. Repairs
made to this unit must be performed only in an antistatic, ESD-protected environment.
To remove the Main PCB
1. Remove the Rear Cabinet. Refer to the Rear Cabinet Replacement Section.
2. Slide the Front Cabinet forward until it is clear from the Base Cabinet.
3. While holding the pressure transducer, remove the thin yellow pressure tubing from the pressure
transducer by carefully pulling the tubing off the fitting.
4. Remove the main power Wiring harness connector from the J1 location on the Main PCB assem-
bly by pulling the connector directly up from the J1 receptacle.
5. For M10605 Only: Remove the OPI wiring harness connector from the J3 location on the Main
PCB assembly by pulling the connector directly up from the J3 receptacle.
6. Depress the locking tab, then remove the Power Switch wiring harness connector from the J2
location on the Main PCB by pulling the connector directly up from the J2 receptacle.
7. Using a Phillips screwdriver, remove the four screws securing the Main PCB assembly to the Front
Cabinet. While holding the wiring harness out of the way, remove the Main PCB assembly from
the Front Cabinet assembly.
1041898, R . 01
EV
F P: C
IGURE ONNECTIONS AND
M S
ILLENNIUM ERVICE
CAUTION
J2
J1
J3
S L
CREW OCATIONS ON
M10600/M10605 R
& T I
ECHNICAL NFORMATION
M PCB
AIN
& R
EPAIR EPLACEMENT
- P 15
AGE