Pioneer DEH-44HD Car Stereo System User Manual


 
Connections
WARNING
! Use speakers over 50 W (output value) and
between 4 W to 8 W (impedance value).Do
not use 1 W to 3 W speakers for thisunit.
! The black cable is ground. When installing
this unit or power amp (sold separately),
make sure to connect the ground wire first.
Ensure that the ground wire is properly con-
nected to metal parts of the cars body. The
ground wire of the power amp and the one of
this unit or any other device must be con-
nected to the car separately with different
screws. If the screw for the ground wire loos-
ens or falls out, it could result in fire, genera-
tion of smoke or malfunction.
Ground wire
Metal parts of car’s body
POWER AMP
Other devices
(Another electronic
device in the car)
Important
! When installing this unit in a vehicle without
an ACC (accessory) position on the ignition
switch, failure to connect the red cable to the
terminal that detects operationof the ignition
key may result in battery drain.
O
N
S
T
A
R
T
O
F
F
ACC position NoACC position
! Use this unit with a 12-volt battery and nega-
tive grounding only. Failure to doso may re-
sult in a fire or malfunction.
! To prevent a short-circuit, overheatingor mal-
function, be sure to follow the directions
below.
Disconnect thenegative terminal of thebat-
tery before installation.
Secure thewiring with cableclamps or adhe-
sive tape.Wrap adhesive tapearound wiring
that comes intocontact with metalparts to
protect the wiring.
Place allcables away frommoving parts,
such as theshift lever andseat rails.
Place allcables away fromhot places, such
as near theheater outlet.
Do notconnect the yellowcable to thebattery
by passing itthrough the holeto the engine
compartment.
Cover anydisconnected cable connectors
with insulating tape.
Do notshorten any cables.
Never cutthe insulation of thepower cable of
this unitin order to sharethe power with
other devices.The current capacity ofthe
cable islimited.
Use afuse of the ratingprescribed.
Never wire thenegative speaker cabledirectly
to ground.
Never bandtogether negative cablesof multi-
ple speakers.
! When this unit is on, control signalsare sent
through the blue/white cable. Connect this
cable to the system remote control of an ex-
ternal power amp or the vehicles auto-anten-
na relay control terminal (max. 300mA
12VDC). If the vehicle is equipped with a
glass antenna, connect it to the antenna
booster power supply terminal.
! Never connect the blue/white cable to the
power terminal of an external power amp.
Also, never connect it to the powerterminal
of the auto antenna. Doing so may result in
battery drain or a malfunction.
This unit
1
2 3
45 6
1 Power cord input
2 Rearoutput or subwoofer output
3 Front output
4 Antenna input
5 Fuse (10 A)
6 Wiredremote input
Power cord
Perform these connections when not connect-
ing a rear speaker lead to a subwoofer.
1
8
9
c
d
6
32
4
5
7
a
b
e
f
h
g
LR
F
R
Perform these connections when using a sub-
woofer without the optional amplifier.
1
8
9
c
d
6
32
4
7
a
b
a
b
e
f
h
g
LR
F
SW
i
j
d
c
k l
1 Topower cord input
2 Left
3 Right
4 Front speaker
5 Rearspeaker
6 White
7 White/black
8 Gray
9 Gray/black
a Green
b Green/black
c Violet
d Violet/black
e Black (chassisground)
Connect to a clean, paint-free metal location.
f Yellow
Connect to the constant 12 V supply termi-
nal.
g Red
Connect to terminal controlled by ignition
switch (12 V DC).
h Blue/white
Connect to system control terminal of the
power amp or auto-antenna relay control ter-
minal (max. 300 mA 12 V DC).
i Subwoofer (4 Ω)
English
Installation
11
Section
Installation
En
03