JVC KW-DB70AT User manual

1
KW-DB70AT
Installation/Connection Manual
0312MYHSANJEIN
EN
© 2012 JVC KENWOOD Corporation
LVT2322-002A
[A]
INSTALLATION
WARNINGS
• 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.
• 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?
TROUBLESHOOTING
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
Audio system originally installed
in the car
Car dashboard
If there is an interfering tab on the
mounting bracket, bend it flat.
Screw removed from the car
Mounting bracket removed from the car
Firmly attach the ground wire to the metallic body of the car using the screw originally fixed
to the metallic body of the car.
Installing with the mounting brackets from the car
Install the unit at an angle of less than 30˚.
Part list
AFlat countersunk screws—M5 × 8 mm (×8)
BRound head screws—M5 × 8 mm (×8)
CPlate for use with a Nissan car (×1)
DPower cord (×1)
ELINE OUT cord (×1)
When installing the unit in a
Nissan car
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2
FRONT
REAR
SUBWOOFER
*1Not supplied for this unit.
*2Firmly attach the ground wire to the metallic body or to the chassis of the car—to the place uncoated with paint.
*3Make the <L/O MODE> setting accordingly, see page 18 of the INSTRUCTIONS.
ELECTRICAL CONNECTIONS
Reset the unit.
Signal cord *1
Extension lead *1
Remote lead
JVC Amplifier
Connecting the external amplifiers and/or subwoofer
Rear ground terminal
ELINE OUT cord (supplied)
10 A fuse
Aerial input
From DAB aerial
From Radio aerial
Remote adapter*1
DPower cord (supplied)
FRONT : Front speakers
REAR : Rear speakers or
subwoofer *3
Light Blue (yellow stripe)
Fuse block
Ignition switch
Vehicle-specific Wiring Harness
(separately purchased)
For your reference:
Metra Electronics:
www.metraonline.com
Scosche Industries:
www.scosche.com
Recommended connection
Connecting the Bluetooth adapter or portable audio player
To the brown lead of the supplied power cord D
To the blue (white stripe) lead of the supplied power cord D
Ground
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – or – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –– – –– – – – – – – –
KS-BTA100
(separately purchased)
Portable audio player, etc. *1
3.5 mm stereo mini plug *1
Make the <SRC SELECT> setting accordingly, see pages 14 and 19 of the INSTRUCTIONS.
If your vehicle factory wiring harness
does not have “12 V ignition switch” lead,
connect the red lead of the supplied
power cord, D, to the vehicle fuse block
(through a separate red lead provided
with the fuse tap).
Power cannot be turned on?
Separate red lead
Caution
Join the same color leads together.
To join the open-ends of the leads
Factory wiring harness (vehicle)
Strip lead ends
Twist ends together
Solder
Tape
Amp Turn-on (200 mA max.)
12 V Ignition Switch
12 V Battery
Ground
Illumination
Telephone Muting
Automatic antenna (250 mA max.)
Front speaker (left)
Front speaker (right)
Rear speaker (left)
Rear speaker (right)
Black
Blue
Yellow
Red
Orange (white stripe)
Brown
Blue (white stripe)
White
White (black stripe)
Gray
Gray (black stripe)
Green
Green (black stripe)
Purple
Purple (black stripe)
Black
Blue (white stripe)
Brown
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