Bridge Plate Replacement

Prerequisites

Procedure

  1. Remove LPCA Cover. Refer to LPCA Cover Removal.

    Figure 1. Removed LPCA Cover

  2. Remove 2 LED cables from port assy with non-ferrous hexagon wrench.
    note:

    Do not disconnect the socket from LED.

  3. Remove the MIC from the MIC bracket.

    Figure 2. LED's and MIC Removal

  4. Cut 4 tie wraps with non-ferrous nipper.
  5. Remove 2 screws fixing BNC bracket to bridge plate.
  6. Move the BNC bracket assy to out side of LPCA.
  7. Remove 2 screws fixing port and hypertron bracket.

    Figure 3. Tie-wraps, BNC Bracket and Port Removal

  8. Remove 2 screws fixing cable and track assy to bridge plate. These 2 screws will be reused to new bridge plate installation.
  9. Move the cable and track assy and port to out side of LPCA.
  10. Remove 4 screws fixing bridge plate to LPCA assy. These 4 screws will be reused to new bridge plate installation.
  11. Remove the bridge plate from LPCA assy.

    Figure 4. Bridge Plate Removal

  12. Remove 4 screws and remove 2 tie-wrap bases.
  13. Remove 4 screws fixing hypertron brackets.
  14. Remove hypertron brackets from bridge plate.
  15. Remove 2 screws fixing MIC bracket.
  16. Remove MIC bracket from bridge plate.

    Figure 5. Removing Parts on Bridge Plate

  17. Install the new hypertron bracket to new bridge plate with new 4 hex cap screws.
  18. Install removed MIC bracket with 2 screws and 2 tie-wrap bases with 4 screws to new bridge plate.

    Figure 6. Assembling New Bridge Plate

  19. Install bridge plate to LPCA assy with 4 screws.
  20. Install all removed parts on the bridge plate by reverse order of removal.
    note:

    Make sure that all the tie wraps must be fixed at the same position before removal.

    note:

    If LED cable is removed, relatively longer cable is for green LED and relatively shorter cable is for red LED.

    note:

    Connect the LED cable so that the cable is centered to the LED itself.

    Figure 7. Bridge Plate Installation

    Figure 8. Port and LED