Daktronics 5000 Series, Руководство по обслуживанию

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Test and Remove a Module
11
5 Test and Remove a Module
Module Lanyard Attachment
Daktronics recommends attaching a module lanyard (located in the spare parts rack)
whenever removing a module. To attach a module lanyard:
1� Attach one end of the module lanyard to a lanyard attachment ring on the top of
the of the module.
2� Feed the lanyard over a wire rod or through a nearby upright. Do not anchor the
module to another module.
3� Attach the other end of the module lanyard to the lanyard attachment ring on the
top of the module.
Remove a Module from the Display Face (Front Access)
Required Tools:
1
/
8
" hex head wrench, module lanyard (from the spare parts rack)
To remove a module from the front:
1� With one hand on the module face, insert the
1
/
8
" hex
head wrench into the bottom access hole.
2� Turn the latch release approximately a quarter-turn
counterclockwise.
3� Insert the
1
/
8
" hex head wrench into the top access
hole.
4� Turn the latch release approximately a quarter-turn
counterclockwise. You should feel the module release
from the display face.
5� Pull the module from the display face just far enough
to reach the back of the module.
6� Disconnect the power and SATA cables from the back of the module.
7� Gently place the module on a clean and dry surface.
Note: If there is no place to set the module, use a safety lanyard to hang the
module from the back of the display. Attach the safety lanyard in a way that
takes up slack on the lanyard. Carefully let the module hang while ensuring it
does not damage LEDs or louvers.
Reinstall the Module (Front Access)
1� Reinstall the module by aligning it with the opening.
2� Reattach the power and SATA cables.
3� Carefully insert the module into the opening while verifying that SATA and power
cables are not being pinched between the module and display face.
4� Firmly press the lower half of the module against the display face.
5� Insert the
1
/
8
" hex head wrench into the bottom access hole and turn approximately
a quarter-turn clockwise or until you feel it latch in place.
Figure 15: Module Access Holes