Musical Fidelity Amplifier Operation, Supercharger 750K, Power On, Overheat, Fault Condition

Models: 750K

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AMPLIFIER OPERATION

Supercharger 750K

AMPLIFIER OPERATION

 

 

POWER ON

Once all connections are made, switch on the unit, using the ON/OFF switch on the back panel. On the front panel of the 750K the front LED glows red to indicate mains is present and the unit is in “standby” mode; and outputs are muted, so no sound will be heard from the speakers.

The 750K is designed to switch on automatically, when a signal is detected at the selected input (provided the mains switch at the rear is set to “on”).

When a signal is detected, the blue LED will glow to indicate unit is now operating. At this point sound output is now available.

Note: if the amplifier sees no signal on selected input for more than 30 minutes, it will automatically revert to standby mode.

OVERHEAT

Should any internal overheat situation have been reached, the amplifier will cut out, there will be no more sound output, and the orange LED will light.

Unit will remain in this state until it has cooled down again. If overheat mode persists, check wiring for errors; driver amplifier for instability; and locate unit where it can cool down more easily.

FAULT CONDITION

Should the amplifier be driven into clipping for sustained periods or a wiring fault develop, the red mains LED will flash repeatedly and sound output will be disabled (muted). Check wiring and if all looks secure, reset the unit:

-power off for 30 seconds using rocker switch on rear panel

-switch rocker switch back to on position

-apply music signal to switch unit back on

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Musical Fidelity manual Amplifier Operation, Supercharger 750K, Power On, Overheat, Fault Condition