Daktronics BA-1518, Service Manual

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TNMCs & Electronic Captions
22
Figure 17 illustrates the component locations of a 16x80-34mm display with all modules
removed. Note that cabinets do not have four power supplies; this is a composite
illustration that shows the possible locations for all LED colors. Refer to DWG-1092559 .
Display
Driver
Ground
Terminal
Block
Power Supply
(All LED Colors)
Power Supply
(Amber LED Only)
Power Supplies
(White LED Only)
Figure 17: 16x80-34mm Display with Modules Removed
Figure 18 illustrates the component locations of an 8x48-46mm display, and this layout
will also be similar for 8x32-46mm cabinets. Note that 8x48-46mm displays with white LEDs
require an additional power supply behind the fourth module. Refer to DWG-975635 .
Display
Driver
Ground
Terminal
Block
Power Supply
(All LED Colors)
Power Supply
(White LED Only)
Figure 18: 8x48-46mm Display with Modules Removed
Note: White 46mm TNMCs built after May 2017 feature power supply enclosures with
covers that must be removed to access the power supply.
Daktronics outdoor LED scoreboards are typically front-accessible, but some models may
be ordered with rear service access. For that reason, TNMCs and electronic captions
have been designed so that they may be accessed from either the front or rear.
Front Access
1� Loosen the latch fasteners on the front
face of the LED module using a 1/8” hex
wrench. One latch fastener is centered
below the top row of pixels, and one
is centered above the bottom row
( Figure 19 ).
2� Turn each fastener 1/4 turn
counterclockwise.
*Do not over turn the fastener!*
3� Carefully remove the module from the
display.
Latch
Fasteners
Figure 19: Module, Front View