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8 KSC-SW1
Troubleshooting Guide
Specifications
Often, what appears to be a malfunction is due to user error.
Before calling for service, please consult the following table.
Cause
● The fuse is blown.
● The power supply pin (yellow) of the 10-pin connection
cord is not connected.
● The power control pin (blue) of the 10-pin connection cord
is not connected.
● The 10-pin connector is not plugged in completely.
● The grounding pin (black) of the 10-pin connection 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 improperly.
● Connection terminals are connected improperly.
● The remote control cord is unplugged.
● The LEVEL control is set to the MAX position.
● The speaker cords are connected with incorrect 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.
Problem
Power cannot be turned on
(the POWER indicator
does not light).
No sound
The sound is unnatural.
Remedy
● 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 connec-
tion example (on page 5).
● Connect the cord correctly by referring to the connection
example (on page 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 metallic section of the
vehicle (not a coated surface) 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.
● Connect the cords correclty by referring to the connection
example (on page 5).
●
Insert the connectors or jacks all the way in to the terminals.
● Plug the cord into the remote control connector.
● Set the volume to an optimum level.
● Connect the cords correctly by referring to the connection
example (on page 5).
● Attach the grounding terminal to the metallic section of the
vehicle (not a coated surface) by tightly screwing it.
● Adjust the tone balance by switching the PHASE switch to
0° or 180° as required.
[Amp unit]
[Speaker unit]
Caution: –––––––––––––––––––––––––––––––––––––––––––––––––––––
The following ratings and design are subject to change without notice.
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Sound quality is bad
(sound is distorted).
Type Powered Enclosed Subwoofer
Maximum output 150 W
Frequency Response 35 – 120 Hz
S/N ratio 85 dB
Cut of Frequency 50 – 120 Hz
Phase 0°, 180°
Sensitivity /
RCA pin jack 50 mV / 15 k
Ω
Input Impedance
Speaker input 1.0 V / 2.2 k
Ω
Power DC14.4 V (Operational range 10.5 – 16V)
Maximum current consumption 8 A
Fuse capacity 10 A
Enclosure Passive radiator type
Active woofer 160 mm (Silver-coated concaved cone)
Passive woofer 160 mm (Silver-coated cone)
External size
Width 400 mm
× height 91 mm × depth 228 mm
(15-3/4”
×
3-9/16”
×
9”)
Weight 3.6 kg (7.9 lb)