Pioneer DEH-2490UB, Owner'S Manual

Page: 11 / 20

This unit
4 5 6
2 3 1
1
Power cord input
2
Rear output or subwoofer output
3 Front output
4
Antenna input
5
Fuse (10 A)
6
Wired remote input
Hard-wired remote control adaptor can be
connected (sold separately).
Power cord
Perform these connections when not connect-
ing a rear speaker lead to a subwoofer.








1
8
9
c
d
6
3 2
4
5
7
a
b
e
f
h
g
L R
F
R
Perform these connections when using a sub-
woofer without the optional amplifier.










1
8
9
c
d
6
3 2
4
7
a
b
a
b
e
f
h
g
L R
F
SW
i
j
d
c
k l
1 To power cord input
2
Left
3
Right
4
Front speaker
5 Rear speaker
6 White
7
White/black
8
Gray
9
Gray/black
a Green
b Green/black
c
Violet
d
Violet/black
e
Black (chassis ground)
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
)
j
When using a subwoofer of 70 W (2
Ω
), be
sure to connect the subwoofer to the violet
and violet/black leads of this unit. Do not
connect anything to the green and green/
black leads.
k
Not used.
l
Subwoofer (4
Ω
)× 2
Notes
!
With a 2 speaker system, do not connect any-
thing to the speaker leads that are not con-
nected to speakers.
!
Change the initial setting of this unit. Refer
to
REAR-SP
(rear output setting) on page 9.
Refer to PREOUT (preout setting) on page 9.
The subwoofer output of this unit is monau-
ral.
Power amp (sold separately)
Perform these connections when using the op-
tional amplifier.








1
1
3
2
4
5 5
3
2
6
7 7
1
System remote control
Connect to Blue/white cable.
2 Power amp (sold separately)
3 Connect with RCA cables (sold separately)
4
To Front output
5
Front speaker
6
To Rear output or subwoofer output
7 Rear speaker or subwoofer
Installation
Important
!
Check all connections and systems before
final installation.
!
Do not use unauthorized parts as this may
cause malfunctions.
!
Consult your dealer if installation requires
drilling of holes or other modifications to the
vehicle.
!
Do not install this unit where:
—
it may interfere with operation of the vehicle.
—
it may cause injury to a passenger as a result
of a sudden stop.
!
The semiconductor laser will be damaged if
it overheats. Install this unit away from hot
places such as near the heater outlet.
!
Optimum performance is obtained when the
unit is installed at an angle of less than 60°.
60°
!
When installing, to ensure proper heat dis-
persal when using this unit, make sure you
leave ample space behind the rear panel and
wrap any loose cables so they are not block-
ing the vents.
DIN front/rear mount
This unit can be properly installed using either
front-mount or rear-mount installation.
Use commercially available parts when instal-
ling.
English
Installation
11
Section
Installation
En
03