Fireworks SAM-A1, Руководство пользователя

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SAM-A1 Owner’s Manual FSL0132
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FSL0132 Version 5.1 © 2020 Fireworks Solutions Limited Page 20
9. Troubleshooting
In the unlikely event that the SAM-A1 doesn’t do what it is supposed to do, please check the
following steps before contacting us.
Symptom Probable Cause Solution
The amplifier does not turn
on (valves are not glowing)
Mains lead is not plugged
in properly.
Check both ends of the mains lead
are plugged in.
Is it switched on? At the
wall outlet and at the back
of the amplifier.
Check the wall outlet switch and
the power switch on the rear of the
amplifier (see 4.1) are both on
Fuse in the mains lead or
in the amplifier mains inlet
plug is blown or not fitted
The fuse are 5x20mm HBC 2.5AT
Internal Fuse is blown If you have checked/replaced both
the
Valves are all glowing no
sound is produced
Speakers not connected Check the speakers are connected
properly, both at the speaker
terminals/connectors and at the
amplifier, ensure the wire and not
the insulation is in the terminal post
if unterminated wires are used.
Input not connected or
turned on (e.g. Bluetooth
receiver)
Check the input is connected
properly at both ends and that the
output of your source is connected
to the input sockets on the SAM-A1
– i.e. the amplifier is not connected
to another input or disused line
output on your pre-amp. Follow
Bluetooth receiver manufacturer’s
instructions.
Input signal too small Check your audio source does not
have a level or output volume
control and ensure it is not set low.
Is your audio source compatible – is
it capable of delivering adequate
signal amplitude in to the SAM-A1
inputs? Check the specification of
your audio source against section
3.1.2
Sound is coming out of the
speakers but it is very quiet Input signal not connected
properly. Check the input is connected
properly at both ends and that the
output of your source is connected
to the input sockets on the SAM-A1
– i.e. the amplifier is not connected
to another input or disused line
output on your pre-amp.
Troubleshooting continued….