NEC LED-FA019i2 User Manual - Page 87
Foam Forms for Pixel Cards, Cabinet without Pixel Cards, Screws
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Step 5) Put the removed Pixel card into its foam form. Figure 118: Foam Forms for Pixel Cards After removing all Pixel cards, the cabinet looks like shown in Figure 119. Install new Pixel cards Step 6) Step 7) Step 8) 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 7.4 Update the Calibration Data after Installing All Pixel Cards). Figure 119: Cabinet without Pixel Cards 10.5.2 Remove the Hub Board For servicing the Hub board, you need to remove the Pixel cards first (see 10.5.1). Step 1) Disconnect the Ethernet connections (A) from the Hub board. A B Step 2) Remove the 16 screws (B), which connect the Hub board to the cabinet. Figure 120: Screws on Hub Board Step 3) Pull the Hub Board straight off the Cabinet. Be careful not to damage the Power supply interfaces (C) on the Hub board and the PSU. C Step 4) Step 5) Step 6) Disconnect the Signal light cable (D) from the cabinet. Now you can access the power supply in the Cabinet and the Receiving cards on the Hub board. D Re-install the Hub board in reverse order. Take great care not to bent any connectors. Figure 121: Removal of Hub Board 87