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DACTEC'
9050
System User's Manual
6.3.3.5 Computer Board
The computer board is a small piggyback board mounted at the rear of the larger
I/O Board on the bottom of the left electronics compartment. To remove the
computer board, follow the steps below and refer to Figure 39.
Required Materials
No tools required
To Replace the Computer board
1 R e m o v e the rear cabinet shell as described in Section 6.3.3.1.
2 Y o u can remove the computer board without removing the I/O board, but
it is easier and safer to replace the computer board with the I/O board out
of the instrument See Section 6,3.3.10 for instructions on removing the I/O
board.
3 D i s c o n n e c t the three ribbon cables on the front side of the board by rock-
ing them off.
4 D i s c o n n e c t the ribbon cable on rear side of board.
5 L i f t the computer board up off the I/O board.
6 R e p l a c e the computer board by reversing the above steps.When replacing
the computer board, note that it fits on the I/O board in one orientation
only. Be sure to carefully align the computer board's pins with the sockets
on the I/O board.
✓
80
MA-0103-13
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