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JVC KS-AX3002 Instructions Manual

Power amplifier
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KS-AX3004
KS-AX3002
POWER AMPLIFIER: INSTRUCTIONS
AMPLIFICATEUR DE PUISSANCE: MANUEL D'INSTRUCTIONS
LVT1908-001A
[J/E/U/US]
ENGLISH
KS-AX3004
Th ank you for purchasing a JVC product. Please read all instructions carefully before operation, to ensure
your complete understanding and to obtain the best possible performance from the unit.
For safety....
• Do not raise the volume level too much, as this will block outside sounds, making driving dangerous.
• Stop the car before performing any complicated operations.
CAUTIONS AND NOTES
This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems.
• This unit uses BTL (Balanced Transformerless) amplifi er circuitry, i.e., fl oating ground system,
so comply with the following:
– Do not connect the "·" terminals of the speakers to each other.
– Do not connect the "·" terminals of the speakers to the metal body or chassis.
• Cover the unused leads with insulating tape to prevent them from short circuiting.
• When an extension lead is used, it should be as thick and short as possible; connect it fi rmly
with insulating tape.
• Be sure to leave an appropriate space between the antenna (aerial) and the wires of this unit.
• When replacing the fuse, only use 25 A fuses.
• Do not let pebbles, sand or metallic objects get inside the unit.
• To keep the heat dissipation mechanism running effectively, wipe the accumulated dust off
periodically.
• Listening to the tape, radio, CD or digital audio player, etc. with the volume set at a high level for
a long period of time will exhaust the battery, while the engine is turned off or while the engine
is idling.
• This unit becomes very hot. Be careful not to touch the unit not only when using but after using.
DO NOT disassemble the unit since there are no user serviceable parts inside.
For Customer Use: Enter below the Model No. and Serial No. which are located on the top or
bottom of the cabinet. Retain this information for future reference.
Model No.
INSTALLATION
The following illustration shows a typical installation. However, you should make adjustments
corresponding to your specifi c car. If you have any questions or require information regarding
installation kits, consult your "JVC IN-CAR ENTERTAINMENT" car audio dealer or a company
supplying the kits.
Å
Under the front seat
Mount this unit on a fi rm surface, such as in the trunk or under the front seat.
• Since heat is generated in the unit, do not mount it near inflammable objects. In addition,
mount it in an area that will not prevent the unit from dissipating the heat.
• Do not mount the unit in the places subject to heat: near a radiator, in a glove compartment
or in insulated areas such as under a car mat that will prevent the unit from dissipating heat.
• When mounting the unit under the front seat, make sure that adjusting the seat position will
not catch any wire of the unit.
ı
When mounting this unit, be sure to use the provided screws.
• If any other screws are used, there is a risk of loosening the unit or damaging the parts under
the car floor.
• Before drilling holes in the trunk to install the unit, make sure that there is a sufficient space
under the trunk so that you do not drill holes in the fuel tank, etc.
KS-AX3002
Serial No.
Onto the trunk floor
Provided screw
φ 4 × 20 mm (
13
/
in.)
16
Drilled hole
POWER SUPPLY
25 A fuse
(To an accessory terminal)
Ignition switch
Car battery
Caution
To prevent short circuits while making connections, keep the battery's negative terminal
disconnected.
1 Remote turn-on line (not provided)
a When you use a JVC car receiver with a remote lead, connect to the remote lead.
b When you use a car receiver without a remote lead, connect to the accessory circuit of
the car which is activated by the ignition switch. In this case, noise may occur when the car
receiver is turned on or off. To avoid this noise, do not turn on or off the car receiver itself.
You can turn it on or off along with the on/off operation of the ignition switch.
2 Ground lead (not provided)
3 Power cord (not provided)
• When using a power cord, add a 25 A fuse near the battery as shown.
• Connect to the battery's "ª" terminal only after all the other connections have been made.
The proper lead connected to each POWER terminal is as follows:
– + B and GND: AWG 8 to AWG 4 (The cross section is about 8 mm
– REM: AWG 18 to AWG 8 (The cross section is about 0.8 mm
• Use ring terminals (not provided) for secure connection.
If you have any questions regarding the thickness of the power cord, etc., consult your nearest
"JVC IN-CAR ENTERTAINMENT" car audio dealer.
TERMINAL CONNECTIONS
When making terminal connections, properly fi x each terminal with the
provided screw by turning it as illustrated.
• Use ring terminals (not provided) for secure connection.
Notes
• Make sure the screw is fixed in place to prevent disconnections.
• Avoid over-tightening as it may cause the damage to the screw or its
head slot.
SPEAKER SYSTEMS
This amplifi er provides two types of speaker connections: Normal Mode and Bridge Mode
connections.
You can choose either type depending on the speakers equipped on your car.
Notes
• Be sure not to connect the "·" terminals of the speakers to a common point.
• If the same lead is used for both left/right or front/rear speaker wirings, this unit cannot be used.
Always use the independent leads for each speaker. In this case, redo the wirings.
• Use the speakers with an impedance of 2 Ω to 8 Ω (4 Ω to 8 Ω: when used in Bridge Mode).
• Use the speakers which have sufficient capacity to the unit.
The proper lead connected to each SPEAKER OUTPUT terminal is AWG 18 to AWG 12 (The
2
cross section is about 0.8 mm
to 3.3 mm
1
0508MNMMDWTKC
© 2008 Victor Company of Japan, Limited
* Not provided
To metallic body or chassis
Remote turn-on line
JVC car receiver, etc.
2
to 21 mm
2
.)
2
to 8 mm
2
.)
2
).
EN, FR

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  Summary of Contents for JVC KS-AX3002

  • Page 1 * Not provided KS-AX3004 KS-AX3002 Th ank you for purchasing a JVC product. Please read all instructions carefully before operation, to ensure your complete understanding and to obtain the best possible performance from the unit. To metallic body or chassis For safety..
  • Page 2: Speaker Connections

    • Run the connection leads under the car mats to prevent accidental disconnections. prevent short circuits. Example: Rear ground terminal Black lead of the speaker input connector RECEIVER JVC car receiver, etc. KS-AX3004 KS-AX3002 4-speaker system—Normal Mode 2-speaker system—Normal Mode JVC car receiver, etc.
  • Page 3: Troubleshooting

    TROUBLESHOOTING KS-AX3002 (for USA) For more details, consult your “JVC IN-CAR ENTERTAINMENT” car audio dealer. 2-speaker system plus subwoofer (1 amplifi er) The minimum impedance should be 4 Ω for each of left and right speakers, and the subwoofer. The POWER indicator does not light.
  • Page 4: Installation

    ALIMENTATION FRANÇAIS Merci pour avoir acheté un produit JVC. Veuillez lire attentivement toutes les instructions avant d’utiliser l’appareil a n de bien comprendre son fonctionnement et d’ o btenir les meilleures performances possibles. Pour votre sécurité..• N’augmentez pas trop le niveau du volume car cela peut bloquer les sons de l’extérieur et rendre la conduite dangereuse.
  • Page 5: Connexion Des Enceintes

    CONNEXION DES ENCEINTES a Si votre récepteur est muni d’une sortie de ligne, connectez la sortie de ligne (à travers le La connexion varie en fonction du nombre d’enceintes utilisées dans votre voiture. Choisissez la connexion approprié en vous référant aux illustrations suivantes. récepteur) aux prises INPUT de cet appareil.
  • Page 6: En Cas De Difficultés

    EN CAS DE DIFFICULTÉS KS-AX3002 (pour les États-Unis) S’assurer d’abord pour plus de détails, consulter votre revendeur d’accessoires audio JVC. Système à 2 enceintes plus un caisson de grave (1 amplifi cateur) L’impédance minimum doit être de 4 Ω pour chaque enceinte gauche et droite et le caisson de Le témoin POWER ne s’allume pas.

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Ks-ax3004