Troubleshooting Guide - Kenwood KFC-W3000L 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
Illumination does not light.
Illumination is not
synchronized with the sound.
The illumination color does
not change.
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.
[Speaker unit]
Subwoofer ......................... 300 mm (12 in.) Injection PP Cone
Peak input power ............................................................. 800 W
Maximum input power .................................................... 400 W
Rated input power ........................................................... 200 W
Frequency response ................................................ 28 - 800 Hz
Sensitivity .........................................................90 dB / W at 1 m
Rated impedance .................................................................. 4 Ω
Cause
• The fuse is blown.
• The remote control cord is unplugged.
• The power supply pin (yellow) of the DC
cable is not connected.
• The power control pin (blue/white) of the
DC cable is not connected.
• The DC cable is not plugged in completely.
• The grounding pin (black) of the DC cable is
not connected.
• The negative (-) cable of the car battery is
disconnected.
• The ON/OFF switch of the remote control
unit is set to OFF.
• The Link cable is connected improperly.
• No audio signal is input to the speaker.
• Speaker's volume is low.
• Speaker's volume is high.
• The MODE selector is set to "USER".
• The attenuator of the center unit is set to
ON.
• The speaker cords are connected improp-
erly.
• Connection terminals are connected im-
properly.
• 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.
740 g (26.1 oz) Magnet
• 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 4, 5).
• Plug the cord into the REMOTE terminal.
• Connect the cord correctly by referring to
the connection example (on page 4, 5).
• 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 ON/OFF switch to ON.
• Connect the cords correctly by referring to
the connection example (on page 4, 5).
• Insert the connector all the way in.
• Connect the cords correctly by referring to
the connection example (on page 4, 5).
• Adjust with the INPUT SENSITIVITY control
knob of the Control box clockwise (MAX
side) (on page 8).
• Adjust with the INPUT SENSITIVITY control
knob of the Control box counter-clockwise
(MIN side) (on page 8).
• Turn the MODE selector to MODE 1, 2, or 3 (on
page 8).
• Switch the attenuator OFF.
• Connect the cords correctly by referring to
the connection example (on page 4, 5).
• Insert the connectors or jacks all the way in
to the terminals.
• Adjust the volume of the Center unit.
• Connect the cords correctly by referring to
the connection example (on page 4, 5).
[Control unit]
Operating voltage .............. DC 14.4 V (10.5 ~ 16 V allowable)
Maximum current consumption .................................. 150 mA
Fuse capacity ..........................................................................2 A
Remedy
English
9