Connection Diagram; Parts List; Connection Example - Sony CDX-GT270MP Operating Instructions Manual

FM/AM
Compact Disc Player
Installation/Connections
Installation/Connexions
CDX-GT270MP
English
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 supply 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.
 The use of optical instruments with this product will
increase eye hazard.
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 list (

)
 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.

Connection example (

)
Notes
 Be sure to connect the ground (earth) lead before connecting the
amplifier.
 The alarm will only sound if the built-in amplifier is used.
4-426-949-11(1)

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
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/AM 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 and a power antenna (aerial).
Connecting any other system may damage the unit.

To the +12 V power terminal which is energized
in the accessory position of the ignition 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/AM 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
 REM OUT lead (blue/white striped) supplies +12 V DC when you turn on
the unit.
 When your car has built-in FM/AM antenna (aerial) in the rear/side
glass, connect REM OUT lead (blue/white striped) 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 supply lead is connected, power will always be
supplied to the memory circuit even when the ignition switch is turned off.
 
 
× 2

× 4
A
B
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.