Troubleshooting - Insignia NS-A1000 Guia Del Usuario

Troubleshooting

Before removing your amplifier, locate the problem in the following
table. Always test the speakers and speaker wires before
troubleshooting the amplifier.
Symptom
No sound
The amplifier
will not turn on
No sound on
one channel
The amplifier
is turning off at
medium to
high volume
levels
The protection
LED is on
(Red)
14
Check Solution
Is the power
indicator LED
lit?
Is the fault
LED lit?
Is there power
to the power
wire?
Is there power
to the remote
turn on wire
with the
receiver on?
Is there a
blown fuse?
Check the
speaker leads.
Check the
Audio input
leads.
Check the
speaker load
impedance.
Is the amplifier
very hot?
Is there a short
in the speaker
wires?
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Insignia NS-A1000 Car Stereo Amplifier
• Check the amplifier fuses.
• Make sure that the remote turn on wire is
connected.
• Check the signal leads.
• Check the gain control.
• Check the source volume level.
• Clean the contacts on the fuse holders.
• Check for a speaker short circuit,
amplifier overheating, or low voltage.
• Make sure that the amplifier has a good
ground connection.
• Repair the power wire or the
connections.
• Check the connections to the +12 V
source.
• Change the fuse.
• Check for a short circuit or open
connection. Repair if found.
• Reverse the left and right inputs to
determine if the fault is occurring before
the amplifier.
• Make sure that the correct speaker load
impedance recommendations are
followed.
• Check the speaker resistance with an
ohmmeter.
• Turn off the source unit and wait until the
amplifier cools.
• Separate and insulate the speaker wires.