A
LPHA
X
PRESS
2020 RGB F
RONT
A
CCESS
F
ULL
-M
ATRIX
D
ISPLAYS
S
IGN
O
PERATION
AND
M
AINTENANCE
M
ANUAL
(PN 1523610201
REV
.
B
)
5-1
Part Replacement
5
Part Replacement
■
List of field-replaceable parts
Notice:
This equipment contains components that may be damaged by “static electricity”, or electrostatic discharge. To prevent this
from happening, be sure to follow the guidelines in Adaptive Tech Memo 00-0005, “Guidelines for Controlling Electrostatic
Discharge Damage”, available at Adaptive’s web site at http://www.adaptivedisplays.com.
■
Opening a sign
To open a sign
1. Remove power from the sign. Note there may be more than one power source present.
2. Using the hex tool (PN 68117076, supplied), turn the three or four 5/32 hex screw (circled) to open the front face frame.
Part name
Page
Sign controller
Power supplies
Diode module
Display adapter
LED driver board
Circulating fan
Venting fan
Filter
Circuit breaker
Surge suppressor
Light sensor
WARNING
Hazardous voltage.
Contact with high voltage may cause death or serious injury.
Always disconnect power to unit prior to service.
Содержание AlphaXpress 2020
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