JVC KD-G405 用户手册

When installing the unit without using the sleeve /

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In a Toyota for example, first remove the car radio and install the unit in its place.

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Note

: When installing the unit on the mounting bracket, make sure to use the 8 mm-long screws. If longer

screws are used, they could damage the unit.

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When using the optional stay /

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ELECTRICAL CONNECTIONS

To prevent short circuits, we recommend that
you disconnect the battery’s negative terminal
and make all electrical connections before
installing the unit.
• Be sure to ground this unit to the car’s

chassis again after installation.

Notes:
• Replace the fuse with one of the specified

rating. If the fuse blows frequently, consult
your JVC car audio dealer.

• 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 page 26 of the INSTRUCTIONS).

• To prevent short-circuit, cover the terminals of

the UNUSED leads with insulating tape.

• The heat sink becomes very hot after use. Be

careful not to touch it when removing this unit.

Heat sink

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Bracket*
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Bracket*
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* Not included with this unit.
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Flat type screws (M5 x 8 mm)*
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Install the unit at an angle of less than 30˚.

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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.

TROUBLESHOOTING

• The fuse blows.
* Are the red and black leads connected

correctly?

• Power cannot be turned on.
* Is the yellow lead connected?

• No sound from the speakers.
* Is the speaker output lead short-circuited?

• Sound is distorted.
* Is the speaker output lead grounded?
* Are the “–” terminals of L and R speakers

grounded in common?

• Noise interfere with sounds.
* Is the rear ground terminal connected to the

car’s chassis using shorter and thicker cords?

• Unit becomes hot.
* Is the speaker output lead grounded?
* Are the “–” terminals of L and R speakers

grounded in common?

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Install1-2KD-G455_405-1

16/12/03, 1:57 PM