Removing A Module; Patchbay - Servicing; Trouble Shooting And Servicing - D&R CinemIX Owner's Manual

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9.1 Troubleshooting

It is essential to study the signal flow chart in paragraph 12.0/13.0 carefully, only

then can you hope to isolate problems. By tracing the signal from input to

output jacks, it is possible to locate a problem. If for any reason you are unable

to isolate a problem, contact the D&R Technical Support Department for advice.

If the problem cannot be corrected over the phone, D&R will dispatch a replace-

ment module the same day. Most problems can be found using logical thinking

and simply replacing socketed integrated circuits.

9.2 Removing a Module

The Cinemix is a complex piece of equipment and some understanding of its

internal layout is necessary before removing a module. An input module has

wiring to the LEDbar, master section and backplates. All of these wires must be

removed before withdrawing a module from the console.

Each module has computer grade connectors for ease of the disconnect.

Turn off the power supply. It is often easier to loosen the modules positioned

left and right of the module under test. Remove the LEDbar wiring and remove

the metal cover underneath the ledbar front which conceals the screws retaining

the module. It is now possible to remove the two module retaining screws and

carefully lift the module until the flatcable wiring can be unplugged.

At this point extender cables (if ordered) can be connected. The master sections

can be removed from the frame in the same way. Because of the many flat

cables on the bottom of the master section, it is wise to remove all retaining

screws from all master sections.

This will allow all the master modules to be moved slightly without unplugging

all the flat cables. A qualified service technician will be able to service the

modules in this way.

The patchbay is fully modular and can be serviced after first removing the

backplates, then removing the cables attached to the card that needs servicing.

The card can be removed after unscrewing two screws that push the patchpanel

card downwards.

The card will still be connected to the internal star ground system which will

need to be unconnected before the card can be removed from the console.

Cinemix manual page: 51

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