Part replacement
December 10, 2007
Front Access Full Matrix LED Sign Maintenance Manual (pn 1507610501 rev. A)
29
➩
To close a 1.07-inch or 1.35-inch pitch sign
1.
Pull out the quick release pin to unfasten the LED panels from the underside of the front face frame
and lower the panels.
Figure 18.
Removing quick release pin and unfastening LED panels
2.
Gently push the front face frame up to release the prop rod and then lower the it down until the door is
closed.
3.
Push the door closed until it latches on the bottom of the front of the sign.
➩
To open a 1.75-inch pitch sign
There is a label on the sign with instructions for opening the sign.
1.
Remove power from the sign.
2.
Unhook the latches securing the front face frame.
Figure 19.
Door latch locations on the 1.75-inch pitch sign
3.
Pull the front of the door to loosen the seal. If this is not done, the door will not open.
Figure 20.
Loosening the seal
LED panel
Pull out the quick-release pin.
Door latches
Pull
Clockwise (CS)
