Daktronics DB-66 Series, Руководство по обслуживанию

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Test and Replace Display Components
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• Solid Magenta (signal is only sent out of
ProLink5 port B).
Note: Any modules that show yellow on
this test indicate a break in the
signal path. If they all turn magenta
it means the signal path in the “B”
direction is 100 percent. Refer to
Figure 26 .
• Blank (signal is sent out of ProLink5 ports A
and B).
2� Disconnect the fiber loopback and power cycle
the PLR to return to normal playback.
Replace a ProLink Router
Required Tools: Phillips screwdriver
1� Access the interior of the display by using the
steps provided in Access Internal Components .
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 a Display Fan
Required Tools: Phillips screwdriver, side cutter, cable ties
If needed, remove the fan plenum following the steps in Remove a Fan Plenum�
1� Locate and disconnect the 3-pin Mate-N-Lok
connector.
2� Press on the finger guard legs and rotate to
remove the fan. Refer to Figure 27 .
3� Cut the cable tie holding the harness to the
plenum.
4� Remove the fan from the display.
5� Reverse Steps 1–4 to install the new fan.
6� Attach harness to the fan plenum using a
cable tie, as shown in Figure 27 .
Figure 26: ProLink Router Port B Test
Figure 27: Display Fan