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Sony XM-2040 Service Manual page 3

Stereo power amplifier
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Connections
Caution
* Before making any connections, disconnect
the ground terminal of the car battery to avoid
short circuits.
*Be sure'to use speakers with adequate power
handling capacities.
If you use speakers with
small capacity, they will be damaged.
*Do not connect the © terminal of the speaker
system with the car chassis, and do not
connect the © terminal of the right speaker
with that of the left speaker.
«Run the input and output cords away from the
power supply lead as running them closely can
generate some interference noise.
«This unit is a high powered amplifier.
Therefore, it may not perform its full potential if
used with the existing speaker cords supplied
to the car.
lf your car is equipped with a computer system
for navigation or some other purposes, be sure
not to remove the ground wire from the car
battery. If you disconnect the wire, the
memory of the computer may be erased.
To
avoid short circuits when making connections,
connect the +12 volt power supply lead only
after all the other leads have been connected.
Make the terminal connections as illustrated
below.
4-Speaker System
Systeme a 4 haut-parleurs
SECTION
1
GENERAL
When you tighten the screw, be careful not to
apply too much torque" as doing so may
damage the screw.
*The torque value should be less than 1 Nem.
Car audio
Autoradio
Line output
Sortie de ligne
Left
Gauche
Front speakers
(min. 2 ohms)
Haut-parleurs
avant (min.
2 ohms)
Gray
Purple
Droite
Gris
Violet
Note
Remember
that the outputs from the car
audio which are to be connected
to the input
jacks correspond with the output
combinations of the speaker teads.
You can also make a 4-speaker connection
with only two channel inputs by using the
input jacks FRONT
R(MONOQ)
and REAR
R(MONO).
In this case, the outputs from the
speaker leads FL{+), FL(-), FR(+) and FR(-)
will correspond to the input signal going into the
input jack FRONT
R(MONO),
The outputs from
the speaker leads RL(+), RL(-), RR(+) and
RR(+} will correspond to the signal.going into
the input jack REAR
R(MONO)
of this unit.
Left
Gauche
Rear speakers
(min. 2 ohms)
Haut-parleurs arriéré
(min. 2 ohms)
Right
Droite
Remarque
N'oubliez pas que les sorties de l'autoradio
qui doivent €étre raccordées aux prises
d'entrée correspondent aux différentes
sorties de cordons de haut-parleurs.
Vous pouvez raccorder un systéme a 4 haut-
parleurs avec deux entrées de canal
seulement si vous utilisez les prises d'entrée
FRONT R(MONO) et REAR R(MONO). Dans
ce cas, les sorties pour les cordons de haut-
parleurs FL(+), FL(—-), FR(+) et FA(-)
correspondent au signal d'entrée fourni a la
prise d'entrée FRONT R(MONO) et les sorties
pour les cordons de haut-parleurs RL(+), RL(-),
RR(+) et RA(—-) correspondent au signal fourni
a la prise d'entre¢e REAR
R(MONO)
de cet
appareil.
This section is extracted from
instruction manual.
2-Speaker System
Systéme a 2 haut-parleurs
Car audio
Autoradio
Line output
Sortie de hgne
Lett channel
Canai gauche
Right channel
Canal droit
Free
Tube blanc (BRIDGE)
Right speaker
(min. 4 ohms)
Yellow tube (BRIDGE)
Tube jaune (BRIDGE)
Haut-parleur
)
oa oF
act
gauche (min
> Out
4 ohms)
Gray
4
Gris
Free
Free
Libre
Libre
Note
Remarque
Use only the input jacks FRONT R(MONO) and
N'utilisez que les prises d'entree FRONT R(MONO)
REAR R(MONO) for connecting the outputs from
et REAR R(MONO) pour raccorder les sorties de
the car audio. In this case, the outputs trom the
l"autoradio. Dans ce cas, les sorties pour les
speaker leads RL(+) and RR(~) will correspond to
cordons de haut-parleurs RL(+) et RR(-)
the input signal going into the input jack REAR
correspondent au signal d'entrée fourni a la prise
R(MONO).
The outputs from the speaker leads
dentrée
REAR
R(MONO) et les sorties pour les
FL(+) and FR(-) will correspond to the input signal
cordons de haut-parleurs FL(+) et FR(-)
going into the input jack FRONT
R(MONO) of this
correspondent au signal d'entrée fourni a la prise
unit.
d'entrée FRONT
R(MONO) de cet apparel.
Lett speaker
(min. 4 ohms)
Haut-parteur droit
(min. 4 ohms)
3-Speaker System Example 1
Exemple 1 de systeme a 3 haut-parleurs
Car audio
Autoradio
MIO/HIGH output
Sortie MID/HIGH
Crossover network
Circunt diviseur de fréquence
LOW output
Sortie LOW
Sub-woofer
Subwoofer
White tube (BRIDGE)
Tube blanc (BRIDGE)
Front speakers
(min. 2 ohms)
Haut-parleurs avant
(min. 2 ohms)
Sub-wooler (min. 4 ohms)
Subwoofer (min. 4 ohms)
Right
GF
Droite
Gray
Gris
Note
Remarque
The output signals for the sub-woofer will be the
Les signaux de sortie pour le subwoofer seront ,
combination of the signals going into both the
constitués des signaux combinés fournis aux prises
REAR R(MONO) and L input jacks of the unit.
d'entrée REAR R(MONO) et L de cet appareil.

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Xm-2540s