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SONY CDX-GT280S/GT280 (GB,AR) 4-108-797-31 (1)SONY CDX-GT280S/GT280 (GB,AR) 4-108-797-31 (1)
Cautions
• This unit is designed for negative ground (earth) 12 V
DC operation only.
• Do not get the leads under a screw, or caught in moving
parts (e.g. seat railing).
• Before making connections, turn the car ignition off to
avoid short circuits.
• Connect the yellow and red power input leads only
after all other leads have been connected.
• Run all ground (earth) leads to a common
ground (earth) point.
• Be sure to insulate any loose unconnected leads with
electrical tape for safety.
Notes on the power supply lead (yellow)
• When connecting this unit in combination with other
stereo components, the connected car circuit’s rating
must be higher than the sum of each component’s fuse.
• When no car circuits are rated high enough, connect
the unit directly to the battery.
Parts Iist
• The numbers in the list are keyed to those in the
instructions.
• The bracket and the protection collar are
attached to the unit before shipping. Before mounting
the unit, use the release keys to remove the bracket
from the unit. For details, see “Removing the
protection collar and the bracket ()” on the reverse
side of the sheet.
• Keep the release keys for future use as they
are also necessary if you remove the unit from
your car.
Caution
Handle the bracket carefully to avoid injuring your
fingers.
Catch
Note
Before installing, make sure that the catches on both sides of
the bracket are bent inwards 2 mm (
3
/32 in). If the catches are
straight or bent outwards, the unit will not be installed securely
and may spring out.
Connection example
Notes (-
A
)
• Be sure to connect the ground (earth) lead before connecting
the amplifier.
• The alarm will only sound if the built-in amplifier is used.
Connection diagram
To a metal surface of the car
First connect the black ground (earth) lead, then connect the
yellow, and red power supply leads.
To the power antenna (aerial) control lead or
power supply lead of antenna (aerial) booster
amplifier
Notes
• It is not necessary to connect this lead if there is no power
antenna (aerial) or antenna (aerial) booster, or with a
manually-operated telescopic antenna (aerial).
• When your car has a built-in FM/MW/SW antenna (aerial)
in the rear/side glass, see “Notes on the control and power
supply leads.”
To AMP REMOTE IN of an optional power
amplifier
This connection is only for amplifiers. Connecting any other
system may damage the unit.
To the +12 V power terminal which is
energized in the accessory position of the
ignition key switch
Notes
• If there is no accessory position, connect to the +12 V
power (battery) terminal which is energized at all times.
Be sure to connect the black ground (earth) lead to a
metal surface of the car first.
• When your car has a built-in FM/MW/SW antenna (aerial)
in the rear/side glass, see “Notes on the control and power
supply leads.”
To the +12 V power terminal which is
energized at all times
Be sure to connect the black ground (earth) lead to a metal
surface of the car first.
Notes on the control and power supply leads
• The power antenna (aerial) control lead (blue) supplies +12 V
DC when you turn on the tuner.
• When your car has built-in FM/MW/SW antenna (aerial) in the
rear/side glass, connect the power antenna (aerial) control
lead (blue) or the accessory power supply lead (red) to the
power terminal of the existing antenna (aerial) booster. For
details, consult your dealer.
• A power antenna (aerial) without a relay box cannot be used
with this unit.
Memory hold connection
When the yellow power input lead is connected, power will
always be supplied to the memory circuit even when the ignition
switch is turned off.
Notes on speaker connection
• Before connecting the speakers, turn the unit off.
• Use speakers with an impedance of 4 to 8 ohms, and with
adequate power handling capacities to avoid its damage.
• Do not connect the speaker terminals to the car chassis, or
connect the terminals of the right speakers with those of the
left speaker.
• Do not connect the ground (earth) lead of this unit to the
negative (–) terminal of the speaker.
• Do not attempt to connect the speakers in parallel.
• Connect only passive speakers. Connecting active speakers
(with built-in amplifiers) to the speaker terminals may damage
the unit.
• To avoid a malfunction, do not use the built-in speaker leads
installed in your car if the unit shares a common negative (–)
lead for the right and left speakers.
• Do not connect the unit’s speaker leads to each other.
Note on connection
If speaker and amplifier are not connected correctly, “FAILURE”
appears in the display. In this case, make sure the speaker and
amplifier are connected correctly.
REAR
/
SUB
AUDIO OUT
A
Equipment used in illustrations (not supplied)
× 2
× 4
REAR
/
SUB
AUDIO OUT
*
1
RCA pin cord (not supplied)
*
2
AUDIO OUT can be switched SUB or REAR.
For details, see the supplied Operating
Instructions.
*
3
Insert with the cord upwards.
Front speaker
Rear speaker
Active subwoofer
Power amplifier
Rotary commander RM-X4S
©2008 Sony Corporation Printed in Thailand
4-108-797-31(1)
FM/MW/SW
Compact Disc Player
2
4
5
1
3
L
R
REAR/SUB
AUDIO OUT
REMOTE
IN
REAR
/
SUB
AU
DIO OUT
*
2
AMP REM
Max. supply current 0.3 A
Fuse (10 A)
Blue/white striped
Red
Yellow
ANT REM
Black
Blue
*
1
from car antenna (aerial)
*
3
Left
Left
Right
Right
White
White/black striped
Gray
Gray/black striped
Green
Green/black striped
Purple
Purple/black striped
Max. supply current 0.1 A
Installation/Connections
CDX-GT280
CDX-GT280S