PS for LED Power Box

Prerequisites

Overview

Location of each Power Supply is as following illustration

Figure 1. Location of Power Supply

1 DC Power Supply Tray Assembly Replacement

Figure 2. DC Power Supply Tray Assembly

Procedure

  1. Remove Front Cover. Refer to SC Cover Removal
    2. note:

    PS connectors are designed to be uniquely connected to the other end to avoid the mis-connection except Receiver and Exciter cable connectors.

  2. Disconnect the connectors which are routed from PS for LED Power BOX. If necessary, cut the tie wraps.
  3. Loosen 2 screws which are tightening power supply and chassis.
    4. Notice Image
    • notice
    • PS Tray is tightly inserted in the bracket. Need enough pull force to remove it.
  4. Remove the PS for LED Power Box tray from System Cabinet.

    Figure 3. PS for LED Power BOX

  5. Restore power supply by reverse order of removal.

2 AC-DC Power Supply Replacement

Figure 4. AC-DC Power Supply

Procedure

  1. Remove the power supply tray from the system cabinet, refer toStep 1 to Step 4.
  2. Remove PS pin connectors.

    Figure 5. Remove PS pin connectors

  3. Remove 4 screws (1007–m3c008–14).

    Figure 6. Remove screws

  4. Remove the white cable by removing the two screws.

    Figure 7. Remove screws

  5. Restore power supply by reverse order of removal.
    note:
    Please note below marking (+24V, GND) when restored the cables.

    Figure 8. Marking

3 DCPS Tray Replacement

Figure 9. DCPS Tray

Procedure

  1. Remove the AC-DC power supply, refer to AC-DC Power Supply Replacement.
  2. Replace the DCPS tray.
  3. Restore AC-DC power supply.
  4. Restore the whole assembly to system cabinet by reverse order of removal.