Pioneer MVH-AV189, Owner'S Manual

Page: 21 / 32

21
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-aerial relay control terminal, or the aerial 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.
This product
1
2 3 4 5 8 6 7
1
This product
2 Aerial jack
3
Wired remote input
Hard-wired remote control adapter can be connected (sold
separately).
4 Power supply
5
Fuse (10 A)
6 Front output
7
Rear output or subwoofer output
8 USB port
Power cord
1
2
3
4
5
6
7
8
9
a
b
c
1
To power supply
2
Power cord
3
Yellow
To terminal supplied with power regardless of ignition switch
position.
4
Red
To electric terminal controlled by ignition switch (12 V DC)
ON/OFF.
5
Orange/white
To lighting switch terminal.
6
Black (earth)
To vehicle (metal) body.
7
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 forwardss or
backwardss.
8
Blue/white
Connect to system control terminal of the power amp (max.
300 mA 12 V DC).
9
Light green
Used to detect the ON/OFF status of the handbrake. This
lead must be connected to the power supply side of the
handbrake switch.
a
Power supply side
b Handbrake switch
c
Earth side
Parking Brake
1 If “Light green” cable is connected to hand-
brake switch, video image on the display will
be controlled by this function.
2 The monitor displays the black screen with
warning information to prevent the driver
watching video contents during driving.
Speaker leads
1
2








9
a
d
e
7
4 3
5
6
8
b
c
L R
F
R
Perform these connections when using a subwoofer without the
optional amplifier.
 The black cable is earth. When installing this unit or
power amp (sold separately), make sure to connect
the earth wire first. Ensure that the earth wire is
properly connected to metal parts of the car’s body.
The earth wire of the power amp and the one of this
unit or any other device must be connected to the car
separately with different screws. If the screw for the
earth wire loosens or falls out, it could result in fire
generation of smoke or malfunction.
Ground wire
Metal parts of car’s body
POWER AMP
Other devices
(Another electronic
device in the car)
 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.
21 < QRB3574-A >
Connection Connection