Cloud Electronics CXM Mixer - Manual (Page 21)

CXM Technical MANUAL 20
Service and Configuration
Access to the inside of the CXM mixer will not normally be required. If any servicing should
become necessary or the factory jumpers need re-configuring, then this should only be carried
out by qualified service personnel.
7.01 Module removal
It may be necessary to remove certain modules to configure the circuitry or routine maintenance
etc.
All modules can be removed from the front, proceed as follows:-
1. Remove all the connections to the rear of the module
2. Remove the 2 black M4 screws located at the top and bottom of the module
3. Carefully lift out the module until the 34 way busbar connector is accessible. Move the 2
retaining clips away from the ribbon cable, this action will automatically eject the
connector. The module can then be removed from the main frame.
If you wish to remove the master module, the adjacent channel module must be removed at the
same time. Similarly if the module adjacent to the master module requires removal, access to the
busbar connector is more easily afforded if the 2nd module is removed first.
To refit the modules, simply proceed in reverse order: it pays to check the alignment of the M4
nuts in the top and bottom extrusions before re-fitting.
Note:
The master module must be positioned on the right side of the main frame; the busbar harness is
not reversible.
If all the modules are to be removed, this can be more easily accomplished by removing the steel
busbar cover, this is positioned centrally on the rear of the mixer and is fixed by 4 x M4 screws.
This will allow complete removal of the ribbon busbar harness. Be sure to refit the shake proof
washer to positively ground the cover.
7.02 Crossfade replacement
Replacement crossfade modules are available should it need replacing, for example if it is dirty
or worn. The crossfade unit can be replaced as follows:
1. Remove the 2 outermost screws either side of the fader.
2. Lift out the fader carefully, ensuring that the cables to the fader do not get damaged.
3. Unplug the fader cable from the fader PCB.
4. Reverse the procedure to fit the new fader module.