Equipment description
P1509 21 x 125 Line Matrix
14
Front Access Full Matrix LED Sign Maintenance Manual (pn 1507610501 rev. A)
Outside views — 1.07-inch pitch sign
Figure 4.
Exterior top, front, bottom, back, and side views of a 1.07-inch sign
Item
Name
Description
A
UPPER PHOTO CELL
Used for controlling LED brightness.
B
LIFTING EYEBOLTS
Used to lift sign. These should NOT be used to mount the sign.
C
FRONT PHOTO CELL
Used for controlling LED brightness.
D
LEDS
Used to display messages.
E
FRONT FACE FRAME LATCH
Used to fasten sign front face frame.
F
DRAIN HOLE
Allows water that may accumulate inside the sign to escape.
G
EXHAUST VENT OUTLET (WITH
HOOD)
Permits hot air from inside sign to exit.
H
BACK PHOTO CELL
Used for controlling LED brightness.
I
INTAKE AIR VENT
Allows cool air inside sign.
A
Top view
Front view
Bottom view
Back view
Side view
B
C
E
H
F
G
D
I
