JVC KD-R311 - Manual (Page 42)

6 – EN
Installation
The following illustration shows a typical installation. If you are not sure how to install this unit correctly, contact your JVC car audio dealer or a company supplying kits.
See “Electrical connections” below.
Removing the unit
Release the rear section first...
8 mm (3/8")
Bracket * 2
Pocket
Flat head screws—M5 × 8 mm (3/8") * 2
When installing the unit without using the sleeve
In a Toyota car for example, first remove the car radio and install the unit in its place.
Electrical connections
Make sure to disconnect the battery’s negative terminal.
• Be sure to ground this unit to the car’s chassis again after installation.
Note:
It is recommended to connect to the speakers with maximum power of more than 50 W (both at the rear and at the front, with an impedance of 4 Ω to 8 Ω). If the
maximum power is less than 50 W, change “AMP GAIN” setting to prevent the speakers from being damaged (see “Menu operations” on page 3).
High
Connecting the external amplifier or subwoofer
* 1 When you stand the unit, be careful not to damage the fuse on the rear.
* 2 Not supplied for this unit.
* 3 Before checking the operation of this unit prior to installation, this lead must be connected, otherwise the power
cannot be turned on.
* 4 Firmly attach the ground wire to the metallic body or to the chassis of the car—to the place uncoated with
paint (if coated with paint, remove the paint before attaching the wire). Failure to do so may cause damage to
the unit.
PRECAUTIONS on power supply and speaker connections
In-dash mounting
INSTALLATION / CONNECTION
Heat sink
Typical connections
IMPORTANT: A custom wiring harness (separately purchased) which is suitable for your car is
recommended for connection between the unit and your car.
• Consult your JVC car audio dealer or a company supplying kits for details.
Purple
Front speaker
(left)
To the remote lead of other
equipment or automatic
antenna if any (200 mA max.)
Blue with white
stripe
Red
To an accessory
terminal in the fuse
block
To a live terminal in the
fuse block connecting
to the car battery
(bypassing the ignition
switch) (constant 12 V)
Yellow * 3
To the metallic body
or chassis of the car Black
Ignition
switch
15 A fuse
Fuse block
Rear speaker
(left)
Rear speaker
(right)
Front speaker
(right)
White with black stripe
Rear line out Rear ground terminal
Antenna terminal
Gray with black stripe
Green
Gray
Green with black stripe
Purple with black stripe
White
Connect only the front speakers
if your speaker system is two-
speaker system.
Set “L/O MODE” to “SUB.W”
(See “Menu operations” on page 3.)
You can also connect a subwoofer to
the REAR LINE OUT terminals.
Rear
speakers
Remote lead
Remote lead (blue with white stripe)
To the remote lead of other
equipment or automatic
antenna if any
Y-connector * 2
Front speakers
Subwoofer
Set “L/O MODE” to “REAR”
(See “Menu operations” on page 3.)
You can connect a power amplifier for
rear speakers.
JVC Amplifier
JVC Amplifier
or
Signal cord * 2
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