Installation

This unit is designed to operate on 12 V DC, NEGATIVE ground

Prepare these before installation....

electrical systems. If your vehicle does not have this system, a

 

voltage inverter is required, which can be purchased at JVC car

 

audio dealers.

 

Warnings

To prevent short circuits:

–Disconnect the battery’s negative terminal and make all electrical connections before installing the unit.

–Cover the terminals of the UNUSED leads with insulating tape.

Be sure to ground this unit to the car’s chassis again after installation.

Replace the fuse with one of the specified rating.

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 “Menu operations” on page 3.)

The heat sink becomes very hot after use. Be careful not to touch it when removing this unit.

Electrical 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.

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.

Heat sink

Parts List

A Hard case

1

D Trim plate

1

B Control panel

1

E Power cord

1

C Sleeve

1

F Handles

2

The following illustration shows a typical installation. If you have any questions or require information regarding installation kits, consult your JVC car audio dealer or a company supplying kits.

In-dash mounting

When you stand the unit, be careful not to damage the fuse on the rear.

Do the required

electrical connections.

Install the unit at an angle of less than 30˚.

Bend the appropriate tabs to hold the sleeve firmly in place.

When installing the unit without using the sleeve

Flat head screws—M5 × 8 mm (3/8”) *1

Pocket

Bracket *1

Removing the unit

Release the rear section first...

Connecting the external amplifier or subwoofer

 

Y-connector *1

Remote lead

To the blue (white stripe)

Signal cord *1

lead of the unit

 

JVC Amplifier

Rear speakers or subwoofer

 

Make the <L/O MODE> setting accordingly.

*2

(See “Menu operations” on page 3.)

15 A fuse

Rear ground terminal

Reset the unit

Antenna input

Connect only the front speakers if your speaker system is two- speaker system.

 

 

White

Black

To the metallic body

*1

 

 

 

*1

Front speaker

White (black stripe)

 

or chassis of the car

 

 

 

 

 

(left)

 

 

 

 

 

 

 

 

 

 

 

Ignition switch

 

 

Gray

Yellow*3

To a live terminal

 

 

 

 

 

Front speaker

Gray (black stripe)

 

(constant 12 V)

 

 

 

 

 

(right)

 

 

 

 

Fuse block

 

 

 

 

 

 

 

 

Green

Red

To an accessory

 

 

 

 

 

Rear speaker

Green (black stripe)

 

terminal

 

 

 

 

 

 

(left)

 

 

 

 

 

 

 

Purple

Blue (white stripe)

To the remote lead of other

 

 

 

equipment or automatic antenna if

 

 

 

 

 

Rear speaker

Purple (black stripe)

 

 

any (200 mA max.)

 

 

 

 

(right)

 

 

 

 

 

*1

Not supplied for this unit.

 

 

 

 

*2

Firmly attach the ground wire to the metallic body or to the chassis of the car—to the place uncoated with

 

paint.

 

 

 

 

 

*3

Before checking the operation of this unit prior to installation, this lead must be connected, otherwise the power

 

cannot be turned on.

 

 

 

 

4

Page 30
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JVC GET0624-003A, KD-R412, KD-R312 Precautions on power supply and speaker connections, In-dash mounting, Removing the unit

GET0624-003A, KD-R35, KD-R411, KD-R311, KD-R312 specifications

JVC has long been known for its commitment to quality audio equipment, and its KD series of car receivers is no exception. The JVC KD-R412, KD-R35, KD-R411, KD-R312, and KD-R311 are models that highlight the brand's focus on delivering robust sound performance coupled with user-friendly features.

The JVC KD-R412 stands out with its impressive playback capabilities. It supports various formats, including CD, CD-R/RW, and USB audio. Users can enjoy the convenience of connecting their smartphones through the front USB port, which also supports high-resolution audio playback. This model also features JVC's powerful MOS-FET amplifier, ensuring that listeners experience dynamic sound with clear highs and deep lows.

The KD-R35 offers a budget-friendly option without compromising on quality. Its 4-channel output, combined with a maximum power of 50 watts, delivers ample power for great sound in any vehicle. The KD-R35 also features Bluetooth connectivity, allowing for hands-free calling and audio streaming. The intuitive interface makes it easy for users to navigate through their favorite playlists while driving.

The KD-R411 is another excellent choice for music lovers. It includes a 3-band equalizer, enabling users to customize their audio to suit their preferences. The model is equipped with a digital clock and has a detachable face for enhanced security. Additionally, it supports dual phone connection, allowing users to easily switch between two devices.

The KD-R312 is recognized for its user-centric features, including a large, easy-to-read display. The model supports both USB and auxiliary input, making it versatile for various audio sources. It also comes with a built-in amplifier that ensures powerful sound output, making it perfect for anyone seeking an upgrade for their car's audio system.

Lastly, the KD-R311 rounds up the series with an emphasis on functionality and simplicity. It presents a clean design, making it ideal for straightforward audio needs. With AM/FM radio, CD playback, and a user-friendly interface, the KD-R311 captures the essence of what makes JVC receivers popular—quality and ease of use.

In summary, the JVC KD series models, including the KD-R412, KD-R35, KD-R411, KD-R312, and KD-R311, offer a range of features satisfying different preferences and budgets. With robust audio performance, user-friendly interfaces, and versatile connectivity options, these receivers make a strong case for an upgrade to any vehicle’s audio experience.