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JD250/1 • JD500/1 • JD1000/1 11
All LEDs Off / Amplifier Shuts Off
Unexpectedly:
The only condition that will shut down an
undamaged JD amplifier completely is if battery
voltage or remote turn-on voltage drops below
10 volts. When this occurs, both LEDs will turn
off. The amplifier will turn back on when voltage
climbs 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 C (pages 14, 15).
SERVICING YOUR 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.
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