3
This product
1
2
3
4
5
6
1
Microphone 4 m
(MVH-AV270BT)
2
This product
3
Antenna jack
4
Wired remote input
Hard-wired remote control adapter can be connected (sold
separately).
5
Power supply
6
Fuse (10 A)
Power cord
1.
2.
1
3
2*
2
4
1*
5
4*
6
3*
b
(6*)
8
9
a
(5*)
7
c
d
e
f
k
j
g
i
h
1
To power supply
2
Depending on the kind of vehicle, the function of 2* and 4*
may be different. In this case, be sure to connect 1* to 4*
and 3* to 2*.
3
Yellow (2*)
Back-up (or accessory)
4
Yellow (1*)
Connect to the constant 12 V supply terminal.
5
Red (4*)
Accessory (or back-up)
6
Red (3*)
Connect to terminal controlled by ignition switch (12 V DC).
7
Connect leads of the same color to each other.
8
Orange/white
To lighting switch terminal.
9
Black (ground)
To vehicle (metal) body.
a
Blue/white (5*)
The pin position of the ISO connector will differ depending
on the type of vehicle. Connect 5* and 6* when Pin 5 is an
antenna control type. In another type of vehicle, never con-
nect 5* and 6*.
b
Blue/white (6*)
Connect to auto-antenna relay control terminal (max. 300
mA 12 V DC).
c
Blue/white
Connect to system control terminal of the power amp (max.
300 mA 12 V DC).
d
Violet/white
Of the two lead wires connected to the back lamp, connect
the one in which the voltage changes when the gear shift
is in the REVERSE (R) position. This connection enables
the unit to sense whether the car is moving forwards or
backwards.
e
Light green
Used to detect the ON/OFF status of the parking brake. This
lead must be connected to the power supply side of the
parking brake switch.
f
Connection method
1 Clamp the lead.
2 Clamp firmly with needle-nosed pliers.
g
Power supply side
h
Parking brake switch
i
Ground side
j
Speaker leads
White: Front left +
White/black: Front left –
Grey: Front right +
Grey/black: Front right –
Green: Rear left +
Green/black: Rear left –
separately from the ground of high-current products
such as power amps. Do not ground more than one
product together with the ground from another
product. For example, you must separately ground
any amp unit away from the ground of this product.
Connecting grounds together can cause a fire and/
or damage the products if their grounds became
detached.
●
When replacing the fuse, be sure to only use a fuse of
the rating prescribed on this product.
●
This product cannot be installed in a vehicle without ACC
(accessory) position on the ignition switch.
ACC
ON
S
T
A
R
T
O
FF
ON
S
T
A
R
T
O
FF
ACC position
No ACC position
●
To avoid short-circuiting, cover the disconnected lead with
insulating tape. It is especially important to insulate all
unused speaker leads, which if left uncovered may cause a
short circuit.
●
For connecting a power amp or other devices to this product,
refer to the manual for the product to be connected.
Notice for the blue/white lead
●
When the ignition switch is turned on (ACC ON), a control
signal is output through the blue/white lead. Connect to an
external power amp’s system remote control terminal, the
auto-antenna relay control terminal, or the antenna booster
power control terminal (max. 300 mA 12 V DC). The control
signal is output through the blue/white lead, even if the
audio source is switched off.
< CRD4874-A >
Connection
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