JL Audio XD1000/5v2 사용자 매뉴얼
16 | JL Audio - XD1000/5v2 Owner’s Manual
17
ENGLISH
“My amplifier shuts off once in a while, usually at higher volumes.”
Check
Check
your voltage source and grounding point. The power
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volume levels can occur when the charging system voltage
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These dips can be of very short duration making them
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To ensure proper voltage, inspect all wiring and termination
points. It may also be necessary to upgrade the ground
wire connecting the battery to the vehicle’s chassis and the
power wire connecting the alternator to the battery. Many
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battery to the vehicle’s chassis and to connect the alternator to
the battery. To prevent voltage drops, these wires should be
upgraded to 4 AWG when installing amplifier systems with
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volume levels can occur when the charging system voltage
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These dips can be of very short duration making them
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To ensure proper voltage, inspect all wiring and termination
points. It may also be necessary to upgrade the ground
wire connecting the battery to the vehicle’s chassis and the
power wire connecting the alternator to the battery. Many
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battery to the vehicle’s chassis and to connect the alternator to
the battery. To prevent voltage drops, these wires should be
upgraded to 4 AWG when installing amplifier systems with
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“My amplifier turns on, but there is no output.”
Check
Check
the input signal using an AC voltmeter to measure the
voltage from the source unit while an appropriate test tone is
played through the source unit (disconnect the input cables
from the amplifier prior to this test). The frequency used
should be in the range that is to be amplified by the amplifier
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range / high-pass application). A steady, sufficient voltage
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the signal cables.
voltage from the source unit while an appropriate test tone is
played through the source unit (disconnect the input cables
from the amplifier prior to this test). The frequency used
should be in the range that is to be amplified by the amplifier
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range / high-pass application). A steady, sufficient voltage
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the signal cables.
Check
the output of the amplifier. Using the procedure explained in
the previous check item (after plugging the input cables back
into the amplifier) test for output at the speaker outputs of
the amplifier. Remove the speaker wires from the amplifier
while doing this to prevent unpleasant noise and possible
speaker damage. Turn the volume up approximately half
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outputs. This output level can vary greatly between
amplifiers but it should not be in the millivolt range with
the source unit at half volume. If you are reading sufficient
voltage, check your speaker connections as explained below.
the previous check item (after plugging the input cables back
into the amplifier) test for output at the speaker outputs of
the amplifier. Remove the speaker wires from the amplifier
while doing this to prevent unpleasant noise and possible
speaker damage. Turn the volume up approximately half
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outputs. This output level can vary greatly between
amplifiers but it should not be in the millivolt range with
the source unit at half volume. If you are reading sufficient
voltage, check your speaker connections as explained below.
Check to ensure that the speaker wires are making a good
connection with the metal inside the terminal block. The
speaker wire connectors are designed to accept up to 8 AWG
wire. Make sure to strip the wire to allow for a sufficient
connection with the metal inside the terminal block.
speaker wire connectors are designed to accept up to 8 AWG
wire. Make sure to strip the wire to allow for a sufficient
connection with the metal inside the terminal block.
“How do I properly set the input sensitivity on my amplifier?”
Please
Please
refer to Appendix A (page 14) to set the input sensitivity for
maximum, low-distortion output.
maximum, low-distortion output.
“My amplifier doesn’t turn on.”
Check
Check
the fuse, not just visually, but with a continuity meter. It is
possible for a fuse to have poor internal connections that
cannot be found by visual inspection. It is best to take the
fuse out of the holder for testing. If no problem is found with
the fuse, inspect the fuse-holder.
possible for a fuse to have poor internal connections that
cannot be found by visual inspection. It is best to take the
fuse out of the holder for testing. If no problem is found with
the fuse, inspect the fuse-holder.
Check
the integrity of the connections made to each of the
i+12VDCw iGroundw BOEiRemotewUFSNJOBMT. Ensure
that no wire insulation is pinched by the terminal set screw
and that each connection is tight.
i+12VDCw iGroundw BOEiRemotewUFSNJOBMT. Ensure
that no wire insulation is pinched by the terminal set screw
and that each connection is tight.
Check
to make sure there is +12V at the “Remote” connection of the
amplifier. In some cases, the turn-on lead from the source unit
is insufficient to turn on multiple devices and the use of a relay
is required. To test for this problem, jump the
amplifier. In some cases, the turn-on lead from the source unit
is insufficient to turn on multiple devices and the use of a relay
is required. To test for this problem, jump the
i+12VDCw wire
to the
iRemotew terminal to see if the amplifier turns on.
“I get a repetitive ticking or popping sound coming out of the speaker(s).”
Check
the speaker wires for a possible short, either between the
positive and negative leads or between either speaker lead
and the vehicle’s chassis ground. If a short is present, you will
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LED” will turn Amber (yellow) in this situation. It may be
helpful to disconnect the speaker wires from the amplifier
and use a different set of wires connected to a test speaker.
positive and negative leads or between either speaker lead
and the vehicle’s chassis ground. If a short is present, you will
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LED” will turn Amber (yellow) in this situation. It may be
helpful to disconnect the speaker wires from the amplifier
and use a different set of wires connected to a test speaker.
Check
the nominal load impedance to verify that each channel
of the amplifier is driving a load equal to or greater than
2 ohms in stereo mode (4 ohms bridged).
of the amplifier is driving a load equal to or greater than
2 ohms in stereo mode (4 ohms bridged).
“My amplifier’s output fluctuates when I tap on it or hit a bump.”
Check
Check
the connections to the amplifier. Make sure that the
insulation for all wires has been stripped back far enough to
allow a good contact area inside the terminal block.
insulation for all wires has been stripped back far enough to
allow a good contact area inside the terminal block.
Check the input connectors to ensure that they all are making good
contact with the input jacks on the amplifier.
APPENDIX D: TROUBLESHOOTING