Kenwood KSC-WD250T Troubleshooting Guide, Specifications, Cause, Remedy, Problem, No sound, not light), [Amp unit], Unable control, [Speaker unit], Sound quality is bad

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).

Power cannot be turned on	• The power supply pin (yellow) of the 10-pin connection cord is		• Connect the cord correctly by referring to the connection example
Power cannot be turned on		not connected.	(on page 4).
(the POWER indicator does	• The power control pin (blue) of the 10-pin connection cord is		• Check the connections of all cords, then connect the (-) cable to
not light).		not connected.	the battery.
	• The 10-pin connector is not plugged in completely.		• Insert the connector all the way in.
	• The grounding pin (black) of the 10-pin connection cord is not		• Attach the grounding terminal to the metallic section of the
		connected.	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 negative (-) cable of the car battery is disconnected.	the battery.
			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 correclty by referring to the connection
	• The speaker cords are connected improperly.		example (on page 4).
			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	• The LEVEL control is set to the MAX position.		• Set the volume to an optimum level.
(sound is distorted).	• The LEVEL control is set to the MAX position.		• Set the volume to an optimum level.
(sound is distorted).
Unable control	• Remote control cord is not connected.		• Connect remote control cord to remote control terminal.

	• The speaker cords are connected with incorrect positive (+)/		• Connect the cords correctly by referring to the connection
The sound is unnatural.		negative (-) polarity.	example (on page 4).
The sound is unnatural.	• The grounding pin (black) of the 10-pin connection cord is		• Attach the grounding terminal to the metallic section of the

		poorly contacted.	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...........................................................................................................................................	200 W
Frequency Response (System)................................................................................................................	30 – 150 Hz
S/N ratio..............................................................................................................................................................	85 dB
Low Pass Filter Frequency .........................................................................................................................	50 Hz, 80 Hz, 100 Hz, 150 Hz (4 steps)
Phase ..................................................................................................................................................................	0°, 180°
Sensitivity/ Input Impedance (RCA pin jack) ..................................................................................	210 mV / 10 kΩ
Sensitivity/ Input Impedance (Speaker input) ...............................................................................	4.2 V / 1 kΩ
Power ..................................................................................................................................................................	DC 14.4 V (Operational range 10.5 – 16 V)
Maximum current consumption ...........................................................................................................	10 A
Fuse capacity....................................................................................................................................................	5 A × 2
External size ......................................................................................................................................................	Width 195 mm × height 30 mm × depth 155 mm
..................................................................................................................................................................	(7-11/16 ” × 1-3/16 ” × 6-1/8 ”)
Weight .................................................................................................................................................................	800 g (1.8 lb)

[Speaker unit]

Impedance ........................................................................................................................................................	0.75 Ω (Dual voice coil)
Woofer .................................................................................................................................................................	10 inch Cone type

[Amp unit] + [Speaker unit]

Net weight.........................................................................................................................................................	11.1 kg (24.5 lb)
External size ......................................................................................................................................................	Width 432 mm × height 363.5 mm × depth 226 mm
	(17 ” × 14-5/16 ” × 8-7/8 ”)

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