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Troubleshooting; Specifications - JVC KS-AX3004 Instructions Manual

Power amplifier
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KS·AX3002 (lor USA)
TROUBLESHOOTING
2-speaker system plus subwooler (1 amplilier)
The minimum impedance should be 4 0 for each ollef! and right speakers, and the subwoofer.
Alternator noise is heard.
• Keep the leads of the POWER terminals away from the RCA pin cords.
• Keep the RCA pin cords away from other electrical cables in the car.
• Connect the ground lead securely to a metal part of the car.
• Make sure the speaker negative leads do not touch the car chassis.
• Connect a bypass capacitor across the accessory switches (horn, fan, etc.).
For more details, consult your "JVC IN-CAR ENTERTAINMENT" car audio dealer.
No sound is heard.
• Confirm the connections for the power supply (see "POWER SUPPLY" on page 1).
• Connect the RCA pin cords to the INPUT jacks, or the speaker input connector to the HIGH
INPUT terminal.
• Confirm the speaker wirings and the position of the CROSSOVER lilter switch (See "SPEAKER
CONNECTIONS" on page 2).
The POWER indicator does not light.
• Change the fuses if the current one is blown.
• Connect the ground lead securely to a metal part of the car.
• Turn on the equipment connected to this unit.
• Confirm the battery voltage (11 V to 16 V).
• Use a relay if your system employs too many ampliliers.
• Leave the unit turned off to cool it down if it heats up abnormally.
Noise is made when you connect the unit to an AM (MW/LW) tuner,
• Move all the leads of this unit away from the antenna (aerial) lead.
Left speaker
Right speaker
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CROSSOItER
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Connector lead
To
Receiver
*3
*4
*3
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iAlWhite"LEFT(+)"
Left(+) lead
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Gray "RIGHT
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Right
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lead
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Subwoofer
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A
B
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Filter switch
85 W RMS x 4 channels at 2
Q
and $1% THO
t
N
120 W RMS x 2 channels at 4
Q
and $1% THO
t
N
., See page 2.
"2
RCA pin cords (not provided)
"3
Use
a
High-pass crossover (not provided)
"' Use
a
Low-pass crossover (not provided)
CONTROLS
KS·AX3004
SPECIFICATIONS
Power Output
Signal-to-Noise Ratio
Power Output
Maximum Power Output
KS-AX3004:
• Normal Mode:
60 W RMS x 4 channels at 4
Q
and $1% THO
t
N
KS-AX3002:
• Normal Mode:
65 W RMS x 2 channels at 4
Q
and $1% THO
t
N
76 dBA (reference: 1 W into 4 Q)
KS-AX3004:
• Normal Mode:
• Bridge Mode:
KS-AX3002:
• Normal Mode:
90 W RMS x 2 channels at 2
Q
and $1% THO
t
N
• Bridge Mode:
130 W RMS x 1 channel at 4
Q
and $ 1% THO
t
N
KS-AX3004: 680 W (340 W x 2)
KS-AX3002: 370 W
Design and specifications are subject to change without notice.
• Normal Mode:
4 Q (20 to 8 Q allowance)
• Bridge Mode:
4 Q (4 Q to 8 Q allowance)
5 Hz to 50,000 Hz
(to dB, -3 dB)
2 V/12 kQ (0.3 Vto 6 V, variable)
Less than 0.04% (at 1 kHz)
DC 14.4 V (11 V to 16 V allowance)
Negative ground
KS-AX3004: 212 mm x 333 mm x 50 mm (8- 3 /8 in. x 12- 5 /8 in. x 2 in.)
KS-AX3002: 212 mm x 196 mm x 50 mm (8- 3 /8 in. x 7- 3 /4 in. x 2 in)
KS-AX3004: 337 kg (7.42 Ibs.)
KS-AX3002: 1.94 kg (4.27 Ibs.)
Speaker input connector 6P x 1
Mounting Screw
~
4 x 20 mm (13/16 in.) x 4
Mass (approx.)
Accessories
Load Impedance
Frequency Response
Input Sensitivity/Impedance
Distortion
Power Requirement
Grounding system
Dimensions (WxHxD)
Inlor'l'ation lor Users on Disposal 01 Old Equipment
This symbol indicates that the product with this symbol should not be
disposed as general household waste at its end-of-lile. II you wish to
dispose of this product, please do so in accordance with applicable national
legislation or other rules in your country and municipality. By disposing of
this product correctly, you will help to conserve natural resources and will
help prevent potential negative effects on the environment and human
health.
KS-AX3002
!6J
POWER indicator
The green lamp lights while the unit is turned on.
@] CROSSOVER filter switch
OFF: Normally set to this position. The switch is preset to this position when the unit is
shipped.
LPF: Set to this position when you want to turn on the LPF (Low-Pass Filter) switch. The
Low-Pass Filter transmits frequencies lower than 80 Hz.
HPF: Set to this position when you want to turn on the HPF (High-Pass Filter) switch. The
High-Pass Filter transmits frequencies higher than 150 Hz.
[f]
Input LEVEL controller
The input level can be adjusted with this control when this unit is connected to other source
equipment. Adjust the level while listening to the sound. This control is preset to MIN when the
unit is shipped.
This symbol is only valid in the European Union.
Dear Customer,
This apparatus is in conformance with the valid European directives and standards regarding
electromagnetic compatibility and electrical safety.
European representative of Victor Company 01 Japan, Limited is:
JVC Technical Services Europe GmbH
Postlach 10 05 04
61145 Friedberg
Germany
3

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