Insignia NS-A1000 사용자 설명서

Insignia NS-A1000 Car Stereo Amplifier

www.insignia-products.com

Before removing your amplifier, locate the problem in the following 
table. Always test the speakers and speaker wires before 
troubleshooting the amplifier.

No sound

Is the power 
indicator LED 
lit?

• 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.

Is the fault 
LED lit?

• Check for a speaker short circuit, 

amplifier overheating, or low voltage.

The amplifier 
will not turn on

Is there power 
to the power 
wire?

• Make sure that the amplifier has a good 

ground connection.

• Repair the power wire or the 

connections.

Is there power 
to the remote 
turn on wire 
with the 
receiver on?

• Check the connections to the +12 V 

source.

Is there a 
blown fuse?

• Change the fuse.

No sound on 
one channel

Check the 
speaker leads.

• Check for a short circuit or open 

connection. Repair if found.

Check the 
Audio input 
leads.

• Reverse the left and right inputs to 

determine if the fault is occurring before 
the amplifier.

The amplifier 
is turning off at 
medium to 
high volume 
levels

Check the 
speaker load 
impedance.

• Make sure that the correct speaker load 

impedance recommendations are 
followed.

• Check the speaker resistance with an 

ohmmeter.

The protection 
LED is on 
(Red)

Is the amplifier 
very hot?

• Turn off the source unit and wait until the 

amplifier cools.

Is there a short 
in the speaker 
wires?

• Separate and insulate the speaker wires.