Troubleshooting Guide; Specifications - Kenwood KSC-SW11 Instruction Manual

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 (illumina-
tion does not light).
No sound
Sound is small.
Sound quality is bad
(sound is distorted).
Sound is unnatural.
Remote control does
not work.
The illuminations on
t h e r e m o t e c o n t r o l
unit do not light.

Specifications

p
The following ratings and design are subject to change without notice.
Maximum output ..............................................................150 W
Frequency response ........................................... 35 Hz - 150 Hz
Cut-off frequency ............................................... 50 Hz - 125 Hz
Phase ................................................................................0˚, 180˚
Input sensitivity/impedance
LINE IN .............................................................. 50 mV / 22 kΩ
KENWOOD SUBWOOFERS
g g
Cause
• The fuse is blown.
• The power supply pin (yellow) of the 10-pin con-
nection cord is not connected.
• The power control pin (blue/white) of the 10-pin
connection cord is not connected.
• The grounding pin (black) of the 10-pin connec-
tion cord is not connected.
• The 10-pin connector is not plugged in complete-
ly.
• The negative (-) cable of the car battery is discon-
nected.
• The attenuator of the center unit is set to ON.
• The VOLUME control is set to the MIN position.
• The speaker cords are connected improperly.
• Connection terminals are connected improperly.
• The input level is set to low.
• Connection terminals are connected improperly.
• The input level is set to high.
• The speaker cords are connected with incorrect
positive (+)/negative (-) polarity.
• The grounding pin (black) of the 10-pin connec-
tion cord is poorly contacted.
• The remote control cord is unplugged.
• 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, 5).
• Connect the cord correctly by referring to the
connection example (on page 4, 5).
• Attach the grounding terminal to the metallic
section of the vehicle (not a coated surface) by
tightly screwing it.
• Insert the connector all the way in.
• Check the connections of all cords, then con-
nect the (-) cable to the battery.
• Check the connections of all cords, then con-
nect the (-) cable to the battery.
• Switch the attenuator OFF.
• Increase the volume to an optimum level (on
page 7).
• Connect the cords correctly by referring to the
connection example (on page 4).
• Insert the connectors or jacks all the way in to
the terminals.
• Turn the VOLUME control knob and set the in-
put level to an optimum level.
• Plug the cord into the REMOTE terminal.
• Check that the RCA cord is connected properly.
• Turn the VOLUME control knob and set the in-
put level to an optimum level.
• Connect the cords correctly by referring to the
connection example (on page 4, 5).
• Attach the grounding terminal to the metallic
section of the vehicle (not a coated surface) by
tightly screwing it.
• Plug the cord into the REMOTE terminal.
• Insert the connector all the way in.
Power......................... DC 14.4 V (Operating range 11 V - 16 V)
Maximum current consumption ...................................... 8.5 A
Fuse capacity ........................................................................10 A
Sensitivity ............................................................ 110 dB (In car)
External size ......................................Width :
Weight (net) .......................................................... 2.8kg (6.2 Ib)
Remedy
280 mm (11")
Height : 70 mm (2-3/4")
Depth : 190 mm (7-1/2")
CAR SUBWOOFERS