JVC SP-DW103 - Manual (Page 9)

English
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Specifications
Type : Powered Subwoofer
Bass-reflex type, (magnetically shielded type)
Speaker unit : 16.0 cm (6 5 /
16
in.) cone ( × 1)
Frequency range : 30 Hz to 200 Hz
Input impedance : 50 k Ω (LOW-LEVEL)
470 Ω (HIGH-LEVEL)
Input terminals : INPUT 1 (LOW-LEVEL)
INPUT 2 (HIGH-LEVEL)
Power requirements : AC 120 V , 60 Hz
Output power of built-in amp : 100 W (45 Hz, 4 Ω, 10 % THD)
Power consumption : 25 W
Dimensions : (W/H/D) 210 Ч 392 Ч 348 mm (8 5 /
16
Ч 15 7 /
16
Ч 13 3 /
4
in.)
Mass : 10 kg (22.1 lbs)
Accessories : Monaural audio cord ( × 1)
Troubleshooting
Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your dealer.
Possible Cause
Is the unit pugged in?
Signals are too weak or volume
level is too low.
Is the VOLUME knob turned to
the MIN position?
Connections are incorrect, or
loose.
Audio signals through the
amplifier are extremely weak.
The built-in protective circuit is
working.
The VOLUME knob on the rear is
set to a very high level.
The volume of the playback
source is too high.
Symptom
Power does not come on.
Auto Power On/Standby does not
function correctly.
No sound is heard.
Sounds fluctuate (suddenly
become loud or soft).
Suddenly no sound comes out.
—the power lamp lights in red.
Suddenly no sound comes out.
—the power lamp still lights in
green.
Action
Plug the AC power cord firmly into the
AC outlet.
This is not a malfunction. If this
happens, cancel Auto Power On/
Standby.
Turn the VOLUME knob until a
suitable volume is found.
Check the connections. If incorrect,
redo the corrections. (See pages 4
and 5.)
Increase the volume level on the
amplifier.
Lower the volume level on the
amplifier so that the symptom will not
occur.
Turn down the volume, then turn off
and on this unit.
Turn down the volume of the playback
source, turn off and on the source,
then adjust the volume properly on the
source.
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