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Troubleshooting Guide; Specifications - Kenwood KSC-WD250 Instruction Manual

Compact powered subwoofer

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Troubleshooting Guide
Often, what appears to be a malfunction is due to user error. Before calling for service, please consult the following table.
Problem
Cause
Remedy
• The fuse is blown.
• Check the (-!-)/(-) polarity of the power cord and that the cords are
not shorted, then replace with a fuse with the rated capacity.
• Re-connect the cords correctly by referring to the connection
example (on page 4).
• The power supply pin (yellow) of the 10-pin connection cord is
Power cannot be turned on
not connected.
(the POWER indicator does • The power control pin (blue) of the 10-pin connection cord is
not light).
not connected.
• The 10-pin connector is not plugged in completely.
• The grounding pin (black) of the 10-pin connection cord is not
connected.
• Connect the cord correctly by referring to the connection example
(on page 4).
• Check the connections of all cords, then connect the (-) cable to
the battery.
• Insert the connector all the way in.
• Attach the grounding terminal to the metallic section of the
vehicle (not a coated surface) by tightly screwing it.
• The negative (-) cable of the car battery is disconnected.
• Check the connections of all cords, then connect the (-) cable to
the battery.
• The attenuator of the center unit is set to ON.
• Switch the attenuator OFF.
• The LEVEL control is set to the MIN position.
• Increase the volume to an optimum level.
No sound
• The speaker cords are connected improperly.
• Connect the cords correcity by referring to the connection
example (on page 4).
• Connection terminals are connected improperly.
• Insert the connectors or jacks all the way in to the terminals.
Sound quality is bad
^
(sound is distorted).
'
• Set the volume to an optimum level.
Unable control
• Remote control cord is not connected.
• Connect remote control cord to remote control terminal.
• The speaker cords are connected with incorrect positive (+)/
The sound is unnatural.
negative () polarity.
|.x r.L,
• The grounding pin (black) of the 10-pin connection cord is
poorly contacted.
• Connect the cords correctly by referring to the connection
example (on page 4).
• Attach the grounding terminal to the metallic section of the
vehicle (not a coated surface) by tightly screwing it.
Specifications
The following ratings and design are subject to change without notice.
[Amp unit]
Maximum output.
Frequency Response (System).
S/N ratio.
Low Pass Filter Frequency.
Phase .
Sensitivity/ Input Impedance (RCA pinjack)...
(Speaker input)
Power.
Maximum current consumption.
Fuse capacity.
External size.
Weight.
200W
30- 150Hz
85dB
50Hz, 80Hz, lOOHz, 150Hz (4 steps)
0", 180°
210mV/ lOkO
4.2V/IkO
DC14.4V (Operational range 10.5 - 16V)
lOA
5Ax2
Width 195mm x height 30mm x depth 155mm
(7-11/16"
X
1-3/16"
X
6-1/8")
800g (1.81b)
[Speaker unit]
Impedance.(1.5 Q + 1.5 Q) == 0.75 O
Woofer.10 inch Cone type
[Amp unit] + [Speaker unit]
Net weight.11.5kg (25.4 lb)
External size.Width 353mm x height 327.5mm x depth 371.7mm
(13-7/8"
X
12-7/8"
X
14-5/8")
6
English

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