Bedienungsanleitung JL Audio 1v2 (Seite 6 von 41) (Englisch)

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10 | JL Audio - XD1200/1v2 Owner’s Manual

ENGLISH

STATUS LED / PROTECTION CIRCUITRY

There is a single multi-color LED on the top

surface of the amplifier to indicate the amplifier’s

operating status.

1) Flashing Green: amplifier is powering up,

audio output is muted.

2) Constant Green: amplifier is on and

functioning normally, audio output is active.

3) Constant Red: lights to indicate that the

amplifier has exceeded its safe operating

temperature, putting the amplifier into a

self-protection mode, which reduces the

peak power output of the amplifier without

muting the audio. When its temperature returns

to a safe level, the red light will return to green

and the amplifier will return to full power

operating mode.

4) Constant Amber (Yellow): Indicates

that an over-current condition has occurred and

is accompanied by a muting of the amplifier’s

output. Because the muting behavior may be

very short in duration, it may manifest itself as

an audible, repetitive ticking or thumping noise

in the output. Over-current conditions can be

caused by a speaker impedance lower than the

optimum load impedance range for the amplifier

or a short-circuit in the speaker wiring. The

latter can result from a short circuit between the

positive and negative speaker wires or between

either speaker wire and the vehicle chassis.

The “Status LED” will remain amber for a few

seconds, even if the over-current condition is of a

very short duration.

5) LED off / Amplifier Shuts Off Unexpectedly

The only condition that will shut down

an undamaged XD1000/1v2 completely is if

battery voltage or remote turn-on voltage drops

below 10 volts. The “Status LED” will turn off.

when this occurs. The amplifier will turn back

on when voltage climbs back above 11 volts.

If this is happening in your system, have your

charging system and power wiring inspected.

For more information on troubleshooting this

amplifier, refer to Appendix D (pages 14, 15).

SERVICING YOUR JL AUDIO AMPLIFIER

If your amplifier fails or malfunctions, please

return it to your authorized JL Audio dealer so

that it may be sent in to JL Audio for service.

There are no user serviceable parts or fuses inside

the amplifier. The unique nature of the circuitry

in the JL Audio amplifiers requires specifically

trained service personnel. Do not attempt

to service the amplifier yourself or through

unauthorized repair facilities. This will not only

void the warranty, but may result in the creation

of more problems within the amplifier.

If you have any questions about the installation or

setup of the amplifier that have not been covered

in this manual, please contact your dealer or

technical support.

JL Audio Technical Support:

(954) 443-1100

9:00 AM – 5:30 PM (Eastern Time Zone)

Monday - Friday

PREOUTS

The XD1000/1v2 incorporates a buffered, pass-

through preamp output section, so that additional

amplifiers can be easily added to the system.

The preamp output delivers the same signal that

is connected to the XD1000/1v2’s inputs.

The preamp output signal is not affected by

the amplifier’s LP Filter (if the input signal is full-

range, the preamp output will be full-range).

If you plan to use the “Preouts” to feed

a stereo amplifier, you must connect a

stereo signal to the input of the amplifier.

A mono signal into the amplifier will result

in a mono signal out of the preamp output.

SUBWOOFER OUTPUTS

The XD1000/1v2 is designed to deliver power

into subwoofer loads equal to or greater than 2

ohms of nominal impedance.

The XD1000/1v2’s subwoofer outputs are

designed to accept 16 AWG - 8 AWG wire. To

connect the subwoofer wires to the amplifier,

first back out the set screws on the top of the

terminal block, using the supplied 2.5 mm hex

wrench. Strip 1/2 inch (12 mm) of insulation

from the end of each wire and insert the bare

wire into the terminal block, seating it firmly

so that no bare wire is exposed. While holding

the wire in place, tighten the set screw firmly,

taking care not to strip the head of the screw.

You will notice that there are two “+” positive

connections and two “–” negative connections.

This is to facilitate multiple subwoofer wiring.

The two positive and two negative connections

are connected in parallel inside the amplifier.

They are not stereo outputs. Connecting two

subwoofers, each to one set of positive and

negative terminals, will result in a parallel

subwoofer connection. When only connecting

one pair of subwoofer wires, it is not necessary to

use both sets of connections.

Subwoofer loads below 2 ohms nominal are not

recommended and may cause the amplifier

to initiate a protection mode, which reduces

power output.

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