NEC FA Series Installation And Maintenance Manual page 86
Led module/led display
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Also See for FA Series:
- User manual (87 pages) ,
- Quick start manual (72 pages) ,
- Safety manual (16 pages)
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Removing and installing the hub board
(1) Removing the hub board
(a) Disconnect the LAN cable from the hub board
(b) Remove the 16 screws securing the hub board with a Phillips screwdriver (No. 1).
(c) Since the hub board is connected to the power unit with pins and connectors, remove it by raising
this part, as well as the part with the positioning holes. The status board and the hub board are
connected with a cable.
Pay attention not to pull the hub board.
(d) Disconnect the cable from the hub board, and then remove the hub board.
Disconnect the LAN cable from the hub
board.
Cabinet
Each power unit is connected to a
hub board with three pins a and
connectors b.
The FE series power supply unit is
only on the bottom side.
Hub board
English - 84
Remove the 16 screws.
Use a Phillips screwdriver (No. 1).
CAUTION:
The hub board is connected to the
status board with a flat cable. When
removing the hub board, pay attention
not to pull and damage the cable.
Disconnect the connector on the hub
board, and then remove the hub
board.
4 positioning
holes
Status board
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