© NEC Corporation 2019 76
Put the removed Pixel card into its foam
form.
Figure 110: Foam Forms for Pixel
Cards
After removing all Pixel cards, the cabinet looks like
shown in Figure 111.
Install new Pixel cards
Take the Pixel cards out of the spare part
package.
Place the Pixel card carefully by hand or
Service Tool to the screen.
Load the calibration data on the new Pixel
card (see 7.5 Update the Calibration Data
after Installing All Pixel Cards).
Figure 111: Cabinet without Pixel
Cards
Remove the Hub Board
For servicing the Hub board, you need to remove the Pixel cards first (see 9.5.1).
Disconnect the Ethernet connections (A)
from the Hub board.
Remove the 16 screws (B), which connect
the Hub board to the cabinet.
Figure 112: Screws on Hub Board
Pull the Hub board straight off the cabinet.
Be careful not to damage the Power supply
interface (C) on the Hub board and the
PSU.
Disconnect the Signal light cable (D) from
the cabinet.
Now you can access the power supply in
the cabinet and the Receiving card on the
Hub board.
Re-install the Hub board in reverse order.
Take great care not to bent any
connectors.
Figure 113: Removal of Hub Board
A
B
C
D
