12
without excessive force.
AC LINE CORD
The AC cord is a 3-conductor, heavy-duty cable supplied with a heavy-duty, molded 3-prong
AC plug. It provides the power to operate all the GFA-575se's circuits. Its plug should be
inserted in a standard, 120V/60Hz outlet with a minimum capacity of 20amperes and should
have a dedicated branch circuit. It is not recommended that you connect the GFA-575se into
a branch circuit on which other appliances are used. Since conventional household branch
circuits are often limited to 20amperes, when the GFA-575se is used in conjunction with
other appliances on the circuit, you may find the current available for the GFA-575se is
insufficient; particularly in systems using very low-impedance, highly reactive loudspeakers.
The GFA-575se’s power cord is supplied with a "polarized" AC plug as required by
UL/CSA standards and the National Electrical Code. To minimize the risk of electrical
shock, and to insure minimal hum from the system, do not defeat the polarity-insuring
feature of the plug (one wide blade and one narrow blade). To prevent electrical shock, do
not use the polarized plug With an extension cord or receptacle, or other outlet, unless the
blades can be fully inserted to prevent blade exposure.
AC LINE FUSE
The AC LINE FUSE protects the electronic circuits of the GFA-575se. This fuse, normally,
will blow only if there is an overload within the GFA-575se. Since this fuse has been
designed to protect the electronic circuits in the GFA-575se, it is recommended that it be
replaced only with one of the fuses listed in the table below. Please note that the fuses listed
are for operation of the amplifier on 120VAC/60Hz. For the correct fuse values to operate the
GFA-575se on other voltages and frequency, please consult the Service Manual for this
amplifier available from the ADCOM Technical Service Department.
Whenever the POWER switch on the front panel is turned on and the amplifier is energized,
the POWER LED will glow. If turning on the amplifier does not cause the POWER LED to
glow, it may be an indication that the AC LINE FUSE is blown. Unplug the AC LINE CORD
from the AC wall outlet and turn the POWER switch off and check the fuse. If the fuse is
blown, replace it with one of the fuses listed in the table below, plug the amplifier into its
AC-wall outlet and turn on the amplifier. If after replacing the fuse, it blows immediately upon
turning on the amplifier (POWER LED does not glow), a failed electronic component or
other internal malfunction must be suspected. Make no further attempts at fuse replacement
To Next Page
Loading...
Need help?
General