Sony CDX-GT272 Service Manual ▷ View online
CDX-GT272
5
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
• LOCATION OF CONTROLS
• CONNECTIONS
6
Location of controls and basic operations
Main unit
Card remote commander
RM-X151
RM-X151
This section contains instructions on the location
of controls and basic operations.
For details, see the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
of controls and basic operations.
For details, see the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
A OFF button
To power off; stop the source.
B SOURCE button
To power on; change the source (Radio/CD/
AUX).
AUX).
C Volume control dial/select
button page 8, 9
To adjust volume (rotate); select setup items
(press and rotate).
To adjust volume (rotate); select setup items
(press and rotate).
D Disc slot
Insert the disc (label side up), playback
starts.
starts.
E Display window
F Z (eject) button
F Z (eject) button
To eject the disc.
G SEEK +/– control
CD:
To skip tracks (push up/down); skip tracks
continuously (push up/down, then push up/
down again within about 1 second and hold);
reverse/fast-forward a track (push up/down
and hold).
Radio:
To tune in stations automatically (push up/
down); find a station manually (push up/
down and hold).
To skip tracks (push up/down); skip tracks
continuously (push up/down, then push up/
down again within about 1 second and hold);
reverse/fast-forward a track (push up/down
and hold).
Radio:
To tune in stations automatically (push up/
down); find a station manually (push up/
down and hold).
H
(front panel release) button page 5
SEEK
SEEK
PAUSE
SCRL
REP
SHUF
EQ3
DSPL
OFF
6
1
2
3
5
4
MODE
SOURCE
AUX
P
U
S
H
S
E
L
E
C
T
ALBUM
1
7
9
8
2
qd qf
qs
qa
q;
4
6
5
3
OFF
DSPL
SCRL
SEL
SOURCE
MODE
1
3
2
4
6
5
ATT
VOL
+
–
+
–
2
ql
9
9
1
wa
qg
qh
qk
qj
ws
w;
7
I MODE button page 8
To select the radio band (FM/AM).
J Number buttons
CD:
(1)/(2): ALBUM –/+ (during MP3/WMA
playback)
playback)
To skip albums (press); skip albums
continuously (press and hold).
continuously (press and hold).
(3): REP page 8
(4): SHUF page 8
(6): PAUSE
To pause playback. To cancel, press
again.
again.
Radio:
To receive stored stations (press); store
stations (press and hold).
To receive stored stations (press); store
stations (press and hold).
K EQ3 (equalizer) button page 9
To select an equalizer type (XPLOD,
VOCAL, EDGE, CRUISE, SPACE,
GRAVITY, CUSTOM or OFF).
VOCAL, EDGE, CRUISE, SPACE,
GRAVITY, CUSTOM or OFF).
L DSPL (display)/SCRL (scroll) button
page 8
To change display items (press); scroll the
display item (press and hold).
To change display items (press); scroll the
display item (press and hold).
M Receptor for the card remote
commander
N AUX input jack page 10
To connect a portable audio device.
The following buttons on the card remote
commander have also different buttons/functions
from the unit. Remove the insulation film before
use (page 4).
commander have also different buttons/functions
from the unit. Remove the insulation film before
use (page 4).
qg < (.)/, (>) buttons
To control CD/radio, the same as
(SEEK)
+/– control on the unit.
Setup, sound setting, etc., can be operated by
Setup, sound setting, etc., can be operated by
< ,.
qh DSPL (display) button
To change display items.
qj VOL (volume) +/– button
To adjust volume.
qk ATT (attenuate) button
To attenuate the sound. To cancel, press
again.
again.
ql SEL (select) button
The same as the select button on the unit.
w; M (+)/m (–) buttons
To control CD, the same as
(1)/(2)
(ALBUM –/+) on the unit.
Setup, sound setting, etc., can be operated by
Setup, sound setting, etc., can be operated by
M m.
wa SCRL (scroll) button
To scroll the display item.
ws Number buttons
To receive stored stations (press); store
stations (press and hold).
stations (press and hold).
Note
If the unit is turned off and the display disappears, it
cannot be operated with the card remote commander
unless
If the unit is turned off and the display disappears, it
cannot be operated with the card remote commander
unless
(SOURCE) on the unit is pressed, or a disc is
inserted to activate the unit first.
AUDIO OUT REAR
*
AUDIO OUT FRONT
A
B
AUDIO OUT REAR
*
AUDIO OUT FRONT
* AUDIO OUT SUB/REAR
* AUDIO OUT SUB/REAR
Connection example
Notes
• Be sure to connect the ground (earth) lead before connecting
• Be sure to connect the ground (earth) lead before connecting
the amplifier.
• The alarm will only sound if the built-in amplifier is used.
Ejemplo de conexiones
Notas
• Asegúrese de conectar primero el cable de conexión a masa
• Asegúrese de conectar primero el cable de conexión a masa
antes de realizar la conexión del amplificador.
• La alarma sonará únicamente si se utiliza el amplificador
incorporado.
CDX-GT272
6
2
4
5
1
3
L
R
REAR FRONT
AUDIO OUT
AUDIO OUT
REAR
*
2
AUDIO OUT
FRONT
2
AMP REM
Max. supply current 0.3 A
Corriente máx. de alimentación de 0,3 A
Corriente máx. de alimentación de 0,3 A
Fuse (10 A)
Fusible (10 A)
Fusible (10 A)
Blue/white striped
Con rayas azules y blancas
Con rayas azules y blancas
Red
Rojo
Rojo
Yellow
Amarillo
Amarillo
White
Blanco
Blanco
Green
Verde
Verde
Purple
Morado
Morado
White/black striped
Con rayas blancas y negras
Con rayas blancas y negras
Gray/black striped
Con rayas grises y negras
Con rayas grises y negras
Green/black striped
Con rayas verdes y negras
Con rayas verdes y negras
Gray
Gris
Gris
Left
Izquierdo
Izquierdo
Right
Derecho
Derecho
ANT REM
Black
Negro
Negro
Blue
Azul
Azul
Max. supply current 0.1 A
Corriente máx. de alimentación de 0,1 A
Corriente máx. de alimentación de 0,1 A
Purple/black striped
Con rayas moradas y negras
Con rayas moradas y negras
*
1
from car antenna (aerial)
desde la antena del automóvil
desde la antena del automóvil
Left
Izquierdo
Izquierdo
Right
Derecho
Derecho
*
1
RCA pin cord (not supplied)
*
2
AUDIO OUT can be switched SUB or REAR. For details,
see the supplied Operating Instructions.
*
1
Cable con terminales RCA (no suministrado)
*
2
AUDIO OUT (salida de audio) puede cambiarse a SUB
(altavoz potenciador de graves) o REAR (posterior). Para
obtener información, consulte el manual de instrucciones
suministrado.
(altavoz potenciador de graves) o REAR (posterior). Para
obtener información, consulte el manual de instrucciones
suministrado.
*
1
Connection diagram
1 To a metal surface of the car
First connect the black ground (earth) lead, then connect the
yellow, and red power supply leads.
yellow, and red power supply leads.
2 To the power antenna (aerial) control lead or
power supply lead of antenna (aerial) booster
amplifier
amplifier
Notes
• It is not necessary to connect this lead if there is no power
• 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).
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.”
supply leads.”
3 To AMP REMOTE IN of an optional power
amplifier
This connection is only for amplifiers. Connecting any other
system may damage the unit.
system may damage the unit.
4 To the +12 V power terminal which is
energized in the accessory position of the
ignition key switch
ignition key switch
Notes
• If there is no accessory position, connect to the +12 V
• 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.”
supply leads.”
5 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.
surface of the car first.
Notes on the control and power supply leads
• The power antenna (aerial) control lead (blue) supplies +12 V
• 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.
(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.
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
• 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.
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
• Connect only passive speakers. Connecting active speakers
(with built-in amplifiers) to the speaker terminals may damage
the unit.
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.
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.
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.
Diagrama de conexión
1 A una superficie metálica del automóvil
Conecte primero el cable de conexión a masa negro, y
después los cables amarillo y rojo de fuente de alimentación.
después los cables amarillo y rojo de fuente de alimentación.
2 Al cable de control de la antena motorizada
o al cable de fuente de alimentación del
amplificador de señal de la antena
amplificador de señal de la antena
Notas
• Si no se dispone de antena motorizada ni de amplificador
• Si no se dispone de antena motorizada ni de amplificador
de antena, o se utiliza una antena telescópica accionada
manualmente, no será necesario conectar este cable.
manualmente, no será necesario conectar este cable.
• Si el automóvil incorpora una antena de FM/AM en el
cristal trasero o lateral, consulte “Notas sobre los cables
de control y de fuente de alimentación”.
de control y de fuente de alimentación”.
3 A AMP REMOTE IN de un amplificador de
potencia opcional
Esta conexión es sólo para amplificadores. La conexión de
cualquier otro sistema puede dañar la unidad.
cualquier otro sistema puede dañar la unidad.
4 Al terminal de alimentación de +12 V que
recibe energía en la posición de accesorio
del interruptor de encendido
del interruptor de encendido
Notas
• Si no hay posición de accesorio, conéctelo al terminal de
• Si no hay posición de accesorio, conéctelo al terminal de
alimentación (batería) de +12 V que recibe energía sin
interrupción.
interrupción.
Asegúrese de conectar primero el cable de conexión a
masa negro a una superficie metálica del automóvil.
• Si el automóvil incorpora una antena de FM/AM en el
cristal trasero o lateral, consulte “Notas sobre los cables
de control y de fuente de alimentación”.
de control y de fuente de alimentación”.
5 Al terminal de alimentación de +12 V que
recibe energía sin interrupción
Asegúrese de conectar primero el cable de conexión a masa
negro a una superficie metálica del automóvil.
negro a una superficie metálica del automóvil.
Notas sobre los cables de control y de fuente de
alimentación
• El cable de control de la antena motorizada (azul) suministrará
alimentación
• El cable de control de la antena motorizada (azul) suministrará
cc de + 12 V cuando conecte la alimentación del sintonizador.
• Si el automóvil dispone de una antena de FM/AM incorporada
en el cristal trasero o lateral, conecte el cable de control de
antena motorizada (azul) o el cable de fuente de alimentación
auxiliar (rojo) al terminal de alimentación del amplificador de
antena existente. Para obtener más información, consulte a su
distribuidor.
antena motorizada (azul) o el cable de fuente de alimentación
auxiliar (rojo) al terminal de alimentación del amplificador de
antena existente. Para obtener más información, consulte a su
distribuidor.
• Con esta unidad no es posible utilizar una antena motorizada
sin caja de relé.
Conexión para protección de la memoria
Si conecta el cable de fuente de alimentación amarillo, el circuito
de la memoria recibirá siempre alimentación, aunque apague el
interruptor de encendido.
Si conecta el cable de fuente de alimentación amarillo, el circuito
de la memoria recibirá siempre alimentación, aunque apague el
interruptor de encendido.
Notas sobre la conexión de los altavoces
• Antes de conectar los altavoces, desconecte la alimentación
• Antes de conectar los altavoces, desconecte la alimentación
de la unidad.
• Utilice altavoces con una impedancia de 4 a 8
Ω con la
capacidad de potencia adecuada para evitar que se dañen.
• No conecte los terminales de altavoz al chasis del automóvil,
ni conecte los terminales del altavoz derecho con los del
izquierdo.
izquierdo.
• No conecte el cable de conexión a masa de esta unidad al
terminal negativo (–) del altavoz.
• No intente conectar los altavoces en paralelo.
• Conecte solamente altavoces pasivos. Si conecta altavoces
• Conecte solamente altavoces pasivos. Si conecta altavoces
activos (con amplificadores incorporados) a los terminales de
altavoz, puede dañar la unidad.
altavoz, puede dañar la unidad.
• Para evitar fallas de funcionamiento, no utilice los cables de
altavoz incorporados instalados en el automóvil si la unidad
comparte un cable negativo común (–) para los altavoces
derecho e izquierdo.
comparte un cable negativo común (–) para los altavoces
derecho e izquierdo.
• No conecte los cables de altavoz de la unidad entre sí.
Nota sobre la conexión
Si el altavoz no está conectado correctamente, aparecerá
“FAILURE” en la pantalla. Si es así, compruebe la conexión del
altavoz.
Si el altavoz no está conectado correctamente, aparecerá
“FAILURE” en la pantalla. Si es así, compruebe la conexión del
altavoz.
CDX-GT272
7
SECTION 3
DISASSEMBLY
•
This set can be disassembled in the order shown below.
3-5. CHASSIS (T) SUB ASSY
(Page
(Page
10)
3-6. ROLLER
ARM
ASSY
(Page
10)
3-7. CHASSIS
(OP)
ASSY
(Page
11)
3-8.
CHUCKING ARM SUB ASSY
(Page
11)
3-9.
SLED MOTOR ASSY
(Page
12)
3-10. OPTICAL PICK-UP SECTION
(Page
(Page
13)
3-11. OPTICAL PICK-UP
(Page
(Page
13)
3-4. SERVO
BOARD
(Page
9)
3-1. SUB
PANEL
ASSY
(Page
8)
3-2. CD MECHANISM BLOCK
(Page
(Page
8)
SET
3-3. MAIN
BOARD
(Page
9)
CDX-GT272
8
Note: Follow the disassembly procedure in the numerical order shown below.
3-1. SUB PANEL ASSY
3-2. CD MECHANISM BLOCK
two claws
two claws
sub panel assy
two screws
(+PTT 2.6
(+PTT 2.6
× 6)
CNP301
screw
(+PTT
2.6
× 6)
screw
(+PTT
2.6
× 6)
two screws
(+PTT
2.6
× 4)
bracket (CD)
CD mechanism block
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