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Power supply replacement
■
The number and location of power supplies varies depending on the size of the sign. See the sales drawings for locations in each sign
size.
Hazardous voltage. Contact with high voltage may cause death or serious injury.
WARNING
Always disconnect power to unit prior to service.
Remove a power supply
1.
Remove power from the sign. Note there may be more than one power source present.
2.
Open the sign. See "Opening a sign" on page 5-1.
3.
Turn the sign breaker to the OFF position. Note there may be more than one breaker in a sign.
4.
Locate the power supply to be replaced.
5.
Remove all wires from the power supply to be replaced.
DC connections:
•
V+ (orange-colored wire)
•
V- (violet-colored wire)
•
Signal harness
AC connections:
•
Line (black wire)
•
Neutral (white wire)
•
Ground (green wire)
A
X
2020 RGB F
LPHA
PRESS
RONT
A
F
-M
D
S
CCESS
ULL
ATRIX
ISPLAYS
Power supplies.
O
M
IGN
PERATION AND
AINTENANCE
P
OWER SUPPLY REPLACEMENT
. B)
M
(PN 1523610201
ANUAL
REV
5
5-7
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