Read Sony XM-ZR704 Service Manual online
XM-ZR704
4
Connections /
/
Installation
Before Installation
[
Mount the unit either inside the trunk or under a
seat.
seat.
[
Choose the mounting location carefully so the unit
will not interfere with the normal movements of the
driver and it will not be exposed to direct sunlight
or hot air from the heater.
will not interfere with the normal movements of the
driver and it will not be exposed to direct sunlight
or hot air from the heater.
[
Do not install the unit under the floor carpet, where
the heat dissipation from the unit will be
considerably impaired.
the heat dissipation from the unit will be
considerably impaired.
First, place the unit where you plan to install it, and
mark the positions of the 4 screw holes on the
mounting board (not supplied). Then drill a 3 mm
(
mark the positions of the 4 screw holes on the
mounting board (not supplied). Then drill a 3 mm
(
1
/
8
in) pilot hole at each mark and mount the unit
onto the board with the supplied mounting screws.
The mounting screws are all 15 mm (
The mounting screws are all 15 mm (
19
/
32
in) long, so
make sure that the mounting board is thicker than
15 mm (
15 mm (
19
/
32
in).
Mount the unit as illustrated.
Cautions
[
Before making any connections, disconnect the
ground terminal of the car battery to avoid short
circuits.
ground terminal of the car battery to avoid short
circuits.
[
Be sure to use speakers with an adequate power
rating. If you use small capacity speakers, they may
be damaged.
rating. If you use small capacity speakers, they may
be damaged.
[
This is a Phase-Inverted Amplifier.
[
Do not connect the
terminal of the speaker
system to the car chassis, and do not connect the
terminal of the right speaker with that of the left
speaker.
speaker.
[
Install the input and output cords away from the
power supply wire as running them close together
can generate some interference noise.
power supply wire as running them close together
can generate some interference noise.
[
This unit is a high powered amplifier. Therefore, it
may not perform to its full potential if used with the
speaker cords supplied with the car.
may not perform to its full potential if used with the
speaker cords supplied with the car.
[
If your car is equipped with a computer system for
navigation or some other purpose, do not remove
the ground wire from the car battery. If you
disconnect the wire, the computer memory may be
erased. To avoid short circuits when making
connections, disconnect the +12 V power supply
wire until all the other wires have been connected.
navigation or some other purpose, do not remove
the ground wire from the car battery. If you
disconnect the wire, the computer memory may be
erased. To avoid short circuits when making
connections, disconnect the +12 V power supply
wire until all the other wires have been connected.
Power Connection Wires (not supplied)
to a metal point of
the car
the car
Fuse (50 A)
+12 V car battery
Car audio unit
Remote output*
1
less than 450 mm (18 in)
*
2
*
1
If you have the factory original or some other car audio unit without a remote output for the amplifier, connect the
remote input terminal (REMOTE) to the accessory power supply.
In High level input connection, car audio unit can also be activated without need for REMOTE connection. However, this
function is not guaranteed for all car audio units.
remote input terminal (REMOTE) to the accessory power supply.
In High level input connection, car audio unit can also be activated without need for REMOTE connection. However, this
function is not guaranteed for all car audio units.
Make the terminal connections as illustrated below.
D
Pass the wires through the cap, connect the wires, then cover the terminals with the cap.
Note
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 N•m.
Notes on the power supply
[
Connect the +12 V power supply wire only after all the other
wires have been connected.
wires have been connected.
[
Be sure to connect the ground wire of the unit securely to
a metal point of the car. A loose connection may cause a
malfunction of the amplifier.
a metal point of the car. A loose connection may cause a
malfunction of the amplifier.
[
Be sure to connect the remote control wire of the car audio
unit to the remote terminal.
unit to the remote terminal.
[
When using a car audio unit without a remote output on the
amplifier, connect the remote input terminal (REMOTE) to
the accessory power supply.
amplifier, connect the remote input terminal (REMOTE) to
the accessory power supply.
[
Use a power supply wire with a fuse attached (50 A).
[
All power wires connected to the positive battery post
should be fused within 450 mm (18 in) of the battery post,
and before they pass through any metal.
should be fused within 450 mm (18 in) of the battery post,
and before they pass through any metal.
[
Make sure that the vehicle’s battery wires connected to the
vehicle (ground to chassis)*
vehicle (ground to chassis)*
2
are of a wire gauge at least
equal to that of the main power wire connected from the
battery to the amplifier.
battery to the amplifier.
[
During full-power operation, a current of more than 50 A
will run through the system. Therefore, make sure that the
wires to be connected to the
will run through the system. Therefore, make sure that the
wires to be connected to the
+12 V and GND terminals of
this unit are at least 10-Gauge (AWG-10) or have a sectional
area of more than 5 mm
area of more than 5 mm
2
(
7
/
32
in
2
).
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