Procedure 7.2 - Replacing a Display Front Panel, Upper PCA, Heart
Rate PCA or Metrics PCA
Procedure
The keyboard is part of the display housing front panel. If the keyboard is not functioning
properly, replace the display housing front panel.
Removing the Display Housing Front Panel
1. Set the on/off switch in the “off” position, then unplug the power cord from the A.C. outlet.
WARNING
Before continuing with this procedure, review the Warning and Caution statements listed in
Section One, Things You Should Know.
2. Attach an anti-static wrist strap to your arm, then connect the ground lead of the wrist strap
to the units frame.
3. Remove the display bracket cover from the rear of the display.
4. Disconnect the data cable, with ferrit core, from the rear of the upper PCA. Disconnect the
heart rate cables, if applicable. See Diagram 6.2.
5. Remove the three screws that fasten the accessory try to the top of the display, remove the
accessory tray.
6. Remove the four screws that secure the display housing front panel to the display backing
plate.
Removing and Replacing the Upper PCA
7. Disconnect the heart rate cable (J16), the metrics PCA cable (J13), the keypad cable (J11)
and the D pad cable (J15) from the upper PCA. See Diagram 6.3.
8. Remove the upper PCA by carefully unsnapping it from its mounts on the display front panel
and slide it out of the two holding clips.
9. Position the replacement upper PCA at its mounting location on the display housing front
panel, slide it into the two holding clips and press it into place in its mounts on the display
front panel.
10. Reconnect heart rate PCA cable, the metrics PCA cable, the keypad cable and the D pad
cable. See Diagram 6.3.
11. Remove the ground lead of the wrist strap from the EFX frame, then remove the wrist strap
from your arm.
12. Skip to step 22.
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