JVC KW-DB70AT Installation/Configuration

KW-DB70AT
Installation/Connection Manual
LVT2322-002A
[A]
• Mounting and wiring this product requires skills and experience. For safety's sake, leave this work to professionals. If you experience problems during installation, consult your JVC car audio dealer.
• The unit can only be installed in a car with a 12 V DC power supply, negative ground.
• Disconnect the battery's negative terminal and make all electrical connections before installing the unit.
• Connect speakers with a maximum power of more than 50 W (impedance of 4 Ω to 8 Ω). Otherwise, change the <AMP GAIN> setting. (See page 18 of the INSTRUCTIONS.)
• Insulate unconnected wires with vinyl tape or other similar material. To prevent a short circuit, do not remove the caps on the ends of the unconnected wires or the terminals.
• If the fuse blows, first make sure the wires are not touching to cause a short circuit, then replace the old fuse with one that has the same rating.
• Install this unit in the console of your vehicle.
• Mount the unit so that the mounting angle is 30° or less.
• Be sure to ground this unit to the car's chassis again after installation.
• After the unit is installed, check whether the brake lamps, blinkers, wipers, etc. on the car are working properly.
• Do not touch the metal part of this unit during and shortly after the use of the unit. Metal part such as the heat sink and enclosure become hot.
PRECAUTIONS on power supply and speaker connections
• DO NOT connect the speaker leads of the power cord to the car battery; otherwise, the unit will be seriously damaged.
• BEFORE connecting the speaker leads of the power cord to the speakers, check the speaker wiring in your car.
• Connect the speaker wires correctly to the terminals to which they correspond. The unit may damaged or fail to work if you share the G wires or ground them to any metal part in the car.
In-dash mounting
Installing with the mounting brackets from the car
Car dashboard
Firmly attach the ground wire to the metallic body of the car using the screw originally fixed
to the metallic body of the car.
Mounting bracket removed from the car
• The fuse blows. h Are the red and black leads connected correctly?
• Power cannot be turned on. h Is the yellow lead connected?
• No sound from the speakers. h Is the speaker output lead short-circuited?
• "MISWIRING CHK WIRING THEN RESET UNIT"/ "WARNING CHK WIRING THEN RESET UNIT" appears on the display and no operation can be done. h Is the speaker output lead short-circuited or touches the
chassis of the car/head unit? ; Have you reset your unit?
• Sound is distorted. h Is the speaker output lead grounded? ; Are the "–" terminals of L and R speakers grounded in common?
• Noise interfere with sounds. h Is the rear ground terminal connected to the car's chassis using shorter and thicker cords?
• This unit becomes hot. h Is the speaker output lead grounded? ; Are the "–" terminals of L and R speakers grounded in common?
• This unit does not work at all. h Have you reset your unit?
WARNINGS
INSTALLATION
Audio system originally installed
in the car
If there is an interfering tab on the
mounting bracket, bend it flat.
TROUBLESHOOTING
1
Screw removed from the car
Install the unit at an angle of less than 30˚.
0312MYHSANJEIN
© 2012 JVC KENWOOD Corporation
Part list
A Flat countersunk screws—M5 × 8 mm (×8)
B Round head screws—M5 × 8 mm (×8)
C Plate for use with a Nissan car (×1)
D Power cord (×1)
E LINE OUT cord (×1)
When installing the unit in a
Nissan car
EN