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ALLEN & HEATH Xone:22 Service Manual

ALLEN & HEATH Xone:22
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ALLEN&HEATH Xone:22 service manual AP7528_3 Page - 5 - of 12
Servicing Precautions – General Notes
Service personnel:
Service work should be carried out by technically qualified service personnel only.
Mains power is dangerous and can kill. Do not attempt to work on a linear or switched
mode power supply if you are not suitably qualified to do so. Do not attempt to repair
surface mount circuit assemblies unless you are suitably qualified and have the
necessary facilities to do so. Replacement circuit assemblies can be ordered.
Service facilities:
Ensure a suitably sized work surface is available. Ensure this is clear of dirt, debris and
obstructions which may damage the equipment surfaces. Ensure adequate lighting.
Use the correct tools for the job and ensure they are in good working order. Ensure all
workshop safety requirements are adhered to.
Service information:
Check that you have all the information you need before starting the service job. Refer
to the Allen & Heath web site or contact Allen & Heath technical support for details on
the latest information. Full technical information can be downloaded from the web site
Distributor Zone (password required).
Mains power:
Connect the equipment to mains power only of the type described in the user guide and
marked on the rear panel. The power source must provide a good ground connection.
Ensure you always use an isolation transformer when working on any mains power
supply unit.
Mains cord and fuse:
Use the correct power cord as supplied with the equipment. Do not remove or tamper
with the ground connection in the power cord. Heed the Important Mains Plug Wiring
Instructions printed in the user guide if it is necessary to rewire the mains cord. Always
replace the equipment mains fuse with the correct type and rating as described in the
user guide and marked on the equipment panel.
Opening the unit:
Switch off and remove the mains power cord before opening the equipment. Ensure all
power supply covers and safety shields are in place before applying power with the unit
open for diagnostic fault finding.
Closing the unit:
Before finishing, check the quality and accuracy of the service work carried out.
Remove any dirt or debris as this may cause equipment failure in the future. Ensure all
assemblies, harnesses and connectors are correctly aligned and plugged in. Ensure
that jumper settings and control configurations are correctly set according to the
requirements of the customer.
Continued -

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ALLEN & HEATH Xone:22 Specifications

Connections - Inputs IconConnections - Inputs
phono RCA connection impedance47K/330pF
line RCA connection impedance20K ohm
FX RTN RCA connection impedance10K ohm
mic XLR connection impedance<2K ohm
Connections - Outputs IconConnections - Outputs
main mix balanced XLR output impedance68 ohms
monitor RCA output impedance68 ohms
record RCA output impedance600 ohms
FX SND RCA output impedance47 ohms
Performance IconPerformance
distortion0.002% THD+N
noise-84dBu un-weighted
frequency response10Hz to 30kHz +0/-3dB
Weight and Dimensions IconWeight and Dimensions
weight2.2 kg
packed weight3.5 kg

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