mc²56 MKII Technical Manual
V5.10.2/1
286
Chapter 4: Service/Maintenance
Control Surface
Replacing the Local I/O Board
The
board is mounted inside the control surface beneath the central panel. It can be replaced as follows.
The instructions apply to both local I/O board types - 958/55 (MADI) and 958/50 (RAVENNA).
Central Panel Lifted (no local I/O fitted)
Local I/O Carrier Unit (disconnected)
Ø
To replace the Local I/O:
1.
Turn off the power to the control surface by
ALL
MAINS
connectors - press the red button
on the IEC connector to
Warning
DO NOT
attempt to access the local I/O board without disconnecting the mains.
2.
the central panel to gain access to the local I/O (on the left hand side), and use the
keep the panel in place while you work:
Summary of Contents for mc256 MKII
Page 1: ...Technical Manual mc 56 MKII Version 5 10 2 1 Edition 12 September 2017...
Page 350: ...mc 56 MKII Technical Manual V5 10 2 1 350 Chapter 7 Appendices Local I O Wiring...
Page 351: ...mc 56 MKII Technical Manual V5 10 2 1 351 Chapter 7 Appendices Local I O Wiring...
Page 352: ...mc 56 MKII Technical Manual V5 10 2 1 352 Chapter 7 Appendices Local I O Wiring...