Cadac S-Type - Page 15

Connections and setup 2-5
Revision S2005-6 S-Type
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If replacing a power supply unit is required, please note the following:
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The work should only be carried out by a suitably qualified electrician.
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Make sure that the power supply system’s power switches are in the OFF posi-
tion and the unit is disconnected from the mains.
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Observe the correct polarity when connecting the new PSU.
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Note that a console must never have one voltage without the other, for example
+18V must never be fed into the console without -18V.
When switching the power supply back ON after replacement has taken place, make
sure that both LEDs on the front of the PSU-system come on. If only one LED comes
on, let go of the ON push-button immediately. Failure to do so may lead to fire hazard
and major damage to the console.
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When linking frames, plug the frame bus cable as shown in the diagram below:
Also, see Appendices.
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Connect the frame-to-frame grounding cable. See figure 2-6 above for the location of
the frame 0V terminals.
FIG 2-6. Audio Bus connections.
Frame 0V terminal
Frame to frame bus
connections
Frame 0V terminal