Table of Contents
Advertisement
5
D
ISPLAY ADAPTER REPLACEMENT
Display adapter replacement
■
Hazardous voltage. Contact with high voltage may cause death or serious injury.
WARNING
Always disconnect power to unit prior to service.
Remove the display adapter
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.
Disconnect, in this order, the DVI cables, serial communication cables, the driver communication cables and power supply.
5.
Loosen but do not remove the five mounting screws.
Screw
Screw
5-10
A
X
LPHA
PRESS
Driver communication cables
2020 RGB F
A
F
-M
RONT
CCESS
ULL
Screw
D
S
O
ATRIX
ISPLAYS
IGN
PERATION AND
Power
DVI in
RS485 serial communication
DVI out
Screw
Screw
M
M
(PN 1523610201
AINTENANCE
ANUAL
. B)
REV
Advertisement
Table of Contents
