AEQ BC-2500
Radio Broadcast Mixing Desk
7
1.1.6. Maintenance
The maintenance operations of this unit should only be carried out by qualified technical
personnel. AEQ S.A. does not accept responsibility for any damage or injury to the equipment
caused by maintenance by unauthorized persons, not for any damage or injury to other equipment
or persons caused by any unauthorized repair or maintenance operation.
Caution. A risk of severe electrical shock exists due to very high voltages that are
present in the interior of the power supply unit. Therefore proceed with absolute caution when
manipulating this unit.
The AEQ BC-2500 mixing console does not require preliminary adjustment, after
programming has been carried-out as described in this manual either by the maintenance
technician or the manufacturer, no additional operations whatsoever are necessary to obtain
optimum performance.
However it is advisable to periodically desmagnetize the input transformers of the various
modules, due to the influence this factor has on the final distortion ratio of the equipment. This
operation can be performed effectively by applying a 25 Hz signal at a level sufficient to saturate
the transformer core and then slowly diminish the signal level until annulment is achieved. It is
recommended that this operation is performed annually.
Note: In the event that the maintenance technician requires to change the location of the unit or
incorporate new modules in the equipment, the following procedure must be adopted:
1) Turn off the equipment using the on/off switch located at the rear of the power supply
module BC-2523.
2) Proceed to the removal of the module(s) for interchange by removing the chassis fixing
screws located at both end of the panel.
3) Disconnect the internal bus by loosening the ribbon cable connector located in the
lower middle part of the printed circuit board and the rear mounted connectors if fitted.
Module replacement is effected by the direct reversal of the operations described above.
1.1.7. Guarantee.
Guarantee period: The terms and conditions are as stated in the APPENDIX 1 of this
manual.
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