Test and Replace Display Components
18
in the "B" direction is 100 percent.
Note: It is possible to have a break in just one path, so for example it is possible all of
the modules may turn Yellow indicating "A" is healthy, but only some of them turn
Magenta indicating a break in the "B" path that needs to be repaired.
5� Replace the PLR if the error persists after troubleshooting.
Replace a ProLink Router
Required Tools: Phillips screwdriver
1� Access the interior of the display by using the steps provided in Section 4: Access
Internal Components (p�10).
2� Disconnect the PLR SATA and power cables.
3� Using a Phillips screwdriver, loosen the PLR assembly set screw.
4� Lift the PLR assembly to disengage it from the display.
5� Reverse Steps 2 - 4 to install the new PLR.
6� Verify the cables are properly seated.
Replace PLR Power Supplies
Each PLR has a power supply.
1� Disconnect any power cables to the power supply and from that power supply to the
PLR.
2� Pull the power supply tab. Refer to Figure 27.
3� Rotate the power supply forward and lift it off of the pegs.
4� Reverse Steps 1 - 3 to install a replacement power supply.
Replace a Display Fan
Required Tools: Phillips screwdriver, side cutter, cable ties
To replace a fan, complete the following steps:
1� Locate and disconnect the 3-pin Mate-N-Lok
connector.
2� Use the Phillips head screwdriver to loosen the two fan
mounting screws. Refer to Figure 31.
3� Remove the fan from the display.
4� Reverse Steps 1 - 3 to install the new fan.
Figure 31: Display Fan
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