User Interface Pcb - Respironics BiPAP Service Manual

8.4 User Interface
PCB
Interprocessor
communications
cable
REF 1029568 Rev B
Follow these steps to remove the user interface PCB (Figure 8-10). Reverse to
install.
1. Remove top cover (section 8.2).
Figure 8-10: User Interface PCB
2. Disconnect these cables:
• Switch control cable
• Primary alarm connector
• Battery cable (from battery housing)
• Interconnect power cable (controller PCB) and retaining screw
• Interprocessor communications cable
3. Remove the 4 screws from the spacer nuts.
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
Component Removal/Installation
Switch control cable
Primary alarm
connector
Primary alarm
Battery cable
Interconnect
power cable
Retaining screw
Chapter 8
8-9