To facilitate disassembly of the front I/O board, it is advisable to also remove the power supply unit as
described above.
To remove the I/O board (front), proceed as follows:
• Disconnect connection A.
• If necessary, remove the front panel as described above to access the two screws B.
• Back off the two screws B and remove the board.
B
A
B
Figure 3-33
• For re-assembly, reverse the above operations.
XZAC4074 Service Manual 3-21