Front Access Full Matrix LED Sign Maintenance Manual (pn 1507610501 rev. A) 5
List of figures
Figure 1: Location of the 3V lithium battery on the sign’s controller, page 8
Figure 2: 5x7 font dimensions, page 13
Figure 3: LED pitch, page 13
Figure 4: Exterior top, front, bottom, back, and side views of a 1.07-inch sign, page 14
Figure 5: Exterior top, front, bottom, back, and side views of a 1.35-inch sign, page 15
Figure 6: Exterior top, front, bottom, back, and side views of a 1.75-inch sign, page 16
Figure 7: Internal components of a 1.07-inch sign, page 17
Figure 8: Internal components of a 1.35-inch sign, page 18
Figure 9: Internal components of a 1.35-inch sign, page 19
Figure 10:Controller plate components, page 20
Figure 11:Sign controller components, page 21
Figure 12:Power panel components, page 23
Figure 13:LED driver board views and components, page 24
Figure 14:Air filter locations in the 1.75-inch pitch sign.The 1.07-inch and 1.35-inch pitch signs have 4 fans, see “In-
ternal view — 1.07-inch pitch sign” on page 17 or “Internal view — 1.35-inch pitch sign” on page 18 for
locations, page 26
Figure 15:Door latch locations on 1.07-inch and 1.35-inch pitch signs, page 28
Figure 16:Front face frame and prop rod, page 28
Figure 17:Fastening LED panels, page 28
Figure 18:Removing quick release pin and unfastening LED panels, page 29
Figure 19:Door latch locations on the 1.75-inch pitch sign, page 29
Figure 20:Loosening the seal, page 29
Figure 21:Turning the winch handle, page 30
Figure 22:Lift arms and door support arms on the 1.75-inch pitch sign, page 30
Figure 23:Disengaging the door’s support arms, page 31
Figure 24:Cranking the door closed, page 31
Figure 25:Push the door completely closed, page 31
Figure 26:Controller jumper locations and dip switch settings, page 32
Figure 27:Controller board screws and jumpers, page 33
Figure 28:Settings in the IP Set Utility, page 34
Figure 29:Power supply wiring, page 35
Figure 30:Screw locations on the power supply, page 36
Figure 31:Nuts securing the diode module to the power plate, page 37
Figure 32:Diode module connections, page 38
Figure 33:Relay locations, page 39
