CA2250
General PSU discharge procedure
Observe the following discharge procedure in all cases, after each time AC mains power has been re-applied
and removed from the amplifier. Failure to follow this procedure before disconnecting or reconnecting cables
to the PSU or amplifier modules, will cause irreparable damage:
1. Turn the amplifier off, and remove the AC mains supply. Wait 30s.
2. Discharge the power supply PSU1 (CA2250) or power supplies PSU1 and PSU2 (all other models) using the
following procedure:
2.1. Locate the larger, white, 4-pin high-voltage DC power connection on the PSU, as shown in the
following image. This will be used in conjunction with the resistor / probe tool to bridge the PSU rails
and discharge them, individually.
PSU1 PSU2
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