JVC KD-G805 Installation & Connection Manual page 2

When using the optional stay /
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Fire wall
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Dashboard
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Install the unit at an angle of less than 30˚.
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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 30 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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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.
+
L
-
+
R
-
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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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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