Covidien Nellcor GR101704, Service Manual

Page: 221 / 236

Front Panel Components Replacement
Service Manual 12-33
Front panel components consist of the Main PCB and LCD PCB assemblies. The
following section describes two primary tasks.
1.
Reference Main PCB Components Replacement , p. 12-33.
2.
Reference LCD Assembly with Overlay Replacement , p. 12-39.
12.7.1
Main PCB Components Replacement
Main PCB components consist of the Main PCB and four subassemblies. The
following subsection describes three primary tasks.
1.
Reference Main PCB Replacement , p. 12-33, for details.
2.
Reference Antennae Replacement , p. 12-35, for details.
3.
Reference Single Board Computer (SBC) PCB Replacement , p. 12-37, for details.
4.
Reference Alarm Speaker Replacement , p. 12-38, for details.
Main PCB Replacement
To remove the Main PCB
1.
Disassemble the monitoring system chassis. Reference Monitoring System Chassis
Disassembly , p. 12-17.
2.
Move the rear enclosure off to the side, retaining the front panel on a static-free
working surface.
3.
To retain the existing system board SBC PCB, remove it from the Main PCB. Ref-
erence
To remove the Single Board Computer (SBC) PCB , p. 12-37.
4.
Review the following table for identifying Main PCB connectors. The table identifies
cables and connectors. Some cables are barely visible or require special routing.
5.
Starting from the top left, disconnect the following connectors by disengaging
each connector tab or lock, matching cable and connector description and color
to ensure accuracy.
Table 12-4. Main PCB Connections
Receptacle Cable Description Cable Color
J10 Six-connector flex cable Gold
J6 Four-connector flex cable Gold