CDX-GT610U, CDX-GT660U, CDX-GT660US - Sony Car Audio Service Manual (repair manual). Page 11

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11
CDX-GT610U/GT660U/GT660US
L
R
AUDIO
OUT
REAR
AUDIO
OUT
FRONT
BUS
AUDIO
IN
3
1
2
4
5
6
7
AUDIO OUT
FRONT
BUS AUDIO IN
   /AUX IN
*
2
BUS
CONTROL IN
REMOTE
IN
AUDIO OUT
REAR
SUB OUT (MONO)
AMP REM
Max. supply current 0.3 A
Fuse (10 A)
Blue/white striped
Red
Yellow
White
Green
Purple
White/black striped
Gray/black striped
Green/black striped
Gray
Left
Right
Left
Right
ANT REM
Black
Blue
Max. supply current 0.1 A
Purple/black striped
Source selector
(not supplied)
XA-C40
*
1
*
1
ATT
ILLUMINATION
Orange/white striped
Light blue
*
5
from car antenna (aerial) 
Supplied with the CD/MD changer
*
1
  RCA pin cord (not supplied)
*
2
  Be sure to match the color-coded cord 
for audio to the appropriate jacks from 
the unit. If you connect an optional 
CD/MD changer, you cannot use AUX 
IN terminal.
*
3
  Auxiliary optional equipment such as 
portable DVD player (not supplied)
*
4
  Supplied with the auxiliary equipment
*
5
  Supplied with XA-C40
*
6
  Insert with the cord upwards.
*
6
*
4
*
3
2
Connection diagram  
1
To a metal surface of the car
First connect the black ground (earth) lead, then connect the 
orange/white stripped, yellow, and red power input leads.
2
To the power antenna (aerial) control lead or 
power supply lead of antenna (aerial) booster 
amplifi er
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.”
3
To AMP REMOTE IN of an optional power 
amplifi er
This connection is only for amplifi ers. Connecting any other 
system may damage the unit.
4
To the interface cable of a car telephone
5
To a car’s illumination signal
Be sure to connect the black ground (earth) lead to a metal 
surface of the car fi rst.
6
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 fi rst.
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.”
7
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 fi rst.
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/AM 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 amplifi ers) 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 amplifi er are not connected correctly, “FAILURE” 
appears in the display. In this case, make sure the speaker and 
amplifi er are connected correctly.
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