Troubleshooting Guide - Kenwood KSC-SW10 Mode D'emploi

Troubleshooting guide

Often, what appears to be a malfunction is due to user error. Before calling for service, please consult the following table.
Problem
Power cannot be turned on
(the POWER indicator does
not light).
No sound
Sound is small.
Sound quality is bad (sound
is distorted).
Sound is unnatural.
Specifications
The following ratings and design are subject to change without notice.
Type .......................................... Powered Enclosed Subwoofer
[Amp unit]
Maximum output ..............................................................150 W
Frequency response ................................................ 35 - 120 Hz
S/N ratio ............................................................................. 85 dB
Cut-off frequency .................................................... 50 - 120 Hz
Phase ................................................................................0˚, 180˚
Input sensitivity/impedance
RCA pin jack ......................................................50 mV / 15 kΩ
Speaker input ................................................... 1.0 V / 2.2 kΩ
Power ......................... DC 14.4 V (Operating range 10.5 - 16 V)
Maximum current consumption ..........................................8 A
Fuse capacity ........................................................................10 A
Cause
• The fuse is blown.
• The remote control cord is unplugged.
• The power supply pin (yellow) of the 10-pin
connection cord is not connected.
• The power control pin (blue/white) of the
10-pin connection cord is not connected.
• The 10-pin connector is not plugged in com-
pletely.
• The grounding pin (black) of the 10-pin con-
nection cord is not connected.
• The negative (-) cable of the car battery is
disconnected.
• The attenuator of the center unit is set to
ON.
• The LEVEL control is set to the MIN position.
• The speaker cords are connected improp-
erly.
• Connection terminals are connected im-
properly.
• The remote control cord is unplugged.
• The input level is set to low.
• The input level is set to high.
• The speaker cords are connected with incor-
rect positive (+)/negative (-) polarity.
• The grounding pin (black) of the 10-pin
connection cord is poorly contacted.
• The balance between the front speakers or
between those and the rear speakers are not
well adjusted.
• Check the (+)/(-) polarity of the power cord
and that the cords are not shorted, then re-
place with a fuse with the rated capacity.
• Re-connect the cords correctly by referring
to the connection example (on page 5, 6).
• Plug the cord into the REMOTE terminal.
• Connect the cord correctly by referring to
the connection example (on page 5, 6).
• 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 metal-
lic section of the vehicle (not a coated sur-
face) by tightly screwing it.
• Check the connections of all cords, then
connect the (-) cable to the battery.
• Switch the attenuator OFF.
• Increase the volume to an optimum level (on
page 8).
• Connect the cords correclty by referring to
the connection example (on page 5, 6).
• Insert the connectors or jacks all the way in
to the terminals.
• Plug the cord into the REMOTE terminal.
• Turn the LEVEL control knob and set the in-
put level to an optimum level.
• Connect the cords correctly by referring to
the connection example (on page 5, 6).
• Attach the grounding terminal to the metal-
lic section of the vehicle (not a coated sur-
face) by tightly screwing it.
• Adjust the tone balance by switching the
PHASE switch to 0° or 180° as required (on
page 8).
[Speaker unit]
Enclosure ................................................ Passive radiator type
Active woofer ..............120 x 180 mm (4-3/4" x 7-1/16") (cone)
Passive woofer ............120 x 180 mm (4-3/4" x 7-1/16") (cone)
External size ...................................... Width: 36 mm (14-1/2")
Weight (net) .......................................................... 3.4 kg (7.5 Ib)
Remedy
Height: 4 mm (3-11/16")
Depth: 224 mm (8-13/16")
English