Question about QSC GX3 Amplifier
Posted by Anonymous on
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Posted on Jan 02, 2017
You should check the speaker set, maybe it's short circuit.
Try remove the speaker set from the unit, than switch on the amplifier again, if the red light still on, surely the final drive is damages( Transistors or IC's).
Replace it with new ones.
Posted on Oct 18, 2009
Does it do it with nothing connected to the inputs and outputs? If yes, something internal.. anything loose in there (is it moved alot and something could have fallen inside of it)
Posted on Mar 28, 2010
this power amp uses 2SA1962 and 2SC5242 output transistors. You can download the schematic diagram from this website.
Posted on May 11, 2012
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Normal indication: illuminates whenever the amplifier is driven beyond full power. The LED's brightness indicates the amount of distortion. Distortion that causes only brief flashing may not be audible.
During muting, the indicator fully illuminates. This occurs during normal "On-Off
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