Boss Audio gt1500d User Guide
Precautions
Before you drill or cut any holes, investigate your car's layout very carefully. Take care
when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring.
when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring.
Do not operate the amplifier when it is not mounted. Attach all audio system components
securely within the automobile to prevent damage, especially in case of an accident.
securely within the automobile to prevent damage, especially in case of an accident.
Do not mount this amplifier so that the wire connections are unprotected or in a pinched
condition, or likely to be damaged by nearby objects.
condition, or likely to be damaged by nearby objects.
Before making or breaking power connections in your system, disconnect the vehicle
battery. Confirm that your head unit or other equipment is turned off while connecting
the input jacks and speaker terminals.
battery. Confirm that your head unit or other equipment is turned off while connecting
the input jacks and speaker terminals.
If you need to replace the power fuse, replace it only with a fuse identical to that supplied
with the system. Using a fuse of different type or rating may result in damage to your
system which isn't covered by the manufacturer's warranty.
with the system. Using a fuse of different type or rating may result in damage to your
system which isn't covered by the manufacturer's warranty.
Disconnect all RCA inputs to the amplifiers. If the hiss disappears, then
plug in the component driving the amplifier and unplug its inputs. If hiss
disappears, go on until the faulty/noisy component is found.
plug in the component driving the amplifier and unplug its inputs. If hiss
disappears, go on until the faulty/noisy component is found.
Troubleshooting
Before removing your amplifier, refer to the list below and follow the suggested
procedures. Always test the speakers and their wires first.
procedures. Always test the speakers and their wires first.
Amplifier will not
power up
power up
Check for short circuits on speaker leads.
Turn down the volume control on the head unit to prevent overdriving.
Remove speaker leads, and reset the amplifier.
If the Protection LED still comes on, then the amplifier is faulty.
Check that all fuses are OK.
Check that amplifier is properly grounded.
Check that Remote Input (turn-on) at amplifier has at least 3 volts DC
present.
present.
Check that RCA patch cords are plugged into correct inputs.
Check speaker wiring.
Reset Level Control.
Check Crossover Control settings.
Check that there is battery power on the + terminal.
Check all fuses.
Check that Remote Input (turn-on) at amplifier has at least 3 volts DC
present.
present.
Check for good ground connection.
Check that Protection LED is not lit. If it is lit, shut off amplifier briefly and
then repower it.
then repower it.
Protections LED
comes on when
the amplifier is
powered up
comes on when
the amplifier is
powered up
No Output
Low Output
High hiss in
speakers
speakers
In order to obtain the best subjective S/N ratio, set the Input Level to the
lowest level possible which still delivers the volume level you desire.
lowest level possible which still delivers the volume level you desire.