Dolby
®
UEX/650 Upgrade Kit Installation Instructions
5
5.
Unplug the two ribbon cables connected to the internal circuit boards.
6.
Remove the upper circuit board (Cat. No. 774A) using the left and right board
ejectors. Place the board on a flat surface (such as a platter disk). The board
should be oriented with the ejectors closest to you.
7.
Remove the Cat. No. 790 board from its anti-static bag, and plug it into the
left-
hand
side of the main board by aligning the two connectors as shown in Figure 3.
Press down firmly on each side, making sure the connectors are fully seated. The
board can be oriented only one way for the connectors to match.
Cat. No. 790
Dolby Digital
Surround EX
Board
Location of
Cat. No. 773
Board
Cat. No. 774A
Figure 3
Mount the Cat. No. 790 Board
Note:
The Cat. No. 790 will not function if it is installed in the right-hand location.
8.
Turn over the board combination, and install screws through the Cat. No. 774A
board and into standoffs at each corner of the Cat. No. 790 board.
9.
Reinstall the assembly into the CP650. Push the board in firmly until it is fully
seated.
10.
Reinstall the two ribbon cables, inner panel, and front panel.
