Sony CDX-GT250 / CXS-G2516F Service Manual ▷ View online
5
CDX-GT250
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
6
Location of controls and basic operations
Main unit
Card remote commander
RM-X151
RM-X151
Refer to the pages listed for details. The
corresponding buttons on the card remote
commander control the same functions as those
on the unit.
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
Volume control dial/select button 9
To adjust volume (rotate); select setup items
(press and rotate).
(press and rotate).
C
EQ3 (equalizer) button 9
To select an equalizer type (XPLOD,
VOCAL, CLUB, JAZZ, NEW AGE, ROCK,
CUSTOM or OFF).
VOCAL, CLUB, JAZZ, NEW AGE, ROCK,
CUSTOM or OFF).
D
Disc slot
To insert the disc (label side up), playback
starts.
starts.
E
Display window
F Z
(eject) button
To eject the disc.
G
SCRL (scroll) button 8
To scroll the display item.
H
DSPL (display)/DIM (dimmer) button
4, 8
4, 8
To change display items (press); change the
display brightness (press and hold).
display brightness (press and hold).
I
GP
*
1
/ALBM
*
2
–/+ buttons
To skip groups/albums (press); skip groups/
albums continuously (press and hold).
albums continuously (press and hold).
J
(front panel release) button 4
CDX-GT250S
CDX-GT250
CDX-GT250
OFF
DSPL
SCRL
SEL
SOURCE
MODE
1
3
2
4
6
5
ATT
VOL
+
–
+
–
7
K
SEEK –/+ buttons
CD:
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
L
SOURCE button
To power on; change the source (Radio/CD/
AUX).
AUX).
M
BTM button 8
To start the BTM function (press and hold).
N
MODE button 8
To select the radio band (FM/AM).
O
RESET button
(located behind the front
panel)
4
P
Frequency select switch (located on
the bottom of the unit)
the bottom of the unit)
See “Frequency select switch” in the
supplied installation/connections manual.
supplied installation/connections manual.
Q
Number buttons
CD:
(3):
(3):
REP 8
(4):
SHUF 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).
R
SENS button
To improve weak reception: LOCAL/
MONO.
MONO.
S
Receptor for the card remote
commander
commander
T
AUX input jack 10
To connect a portable audio device.
The following buttons on the card remote
commander have also different buttons/functions
from the unit.
commander have also different buttons/functions
from the unit.
wa <
(
.
)/
,
(
>
) buttons
To control CD/Radio, the same as (SEEK)
–/+ on the unit.
–/+ on the unit.
ws
VOL (volume) +/– button
To adjust volume.
wd
ATT (attenuate) button
To attenuate the sound. To cancel, press
again.
again.
wf
SEL (select) button
To select items.
wg M
(+)/
m
(–) buttons
To control CD, the same as (GP/ALBM) –/+
on the unit.
on the unit.
wh
Number buttons
To receive stored stations (press); store
sations (press and hold).
sations (press and hold).
*1
When an ATRAC CD is played.
*2
When an MP3/WMA is played.
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.
Tip
For details on how to replace the battery, see
“Replacing the lithium battery of the card remote
commander” on page 12.
For details on how to replace the battery, see
“Replacing the lithium battery of the card remote
commander” on page 12.
6
CDX-GT250
• CONNECTIONS
Connection diagram
1
To a metal surface of the car
First connect the black earth lead, then connect the yellow
and red power input leads.
and red power input leads.
2
To the power aerial control lead or power
supply lead of aerial booster amplifi er
supply lead of aerial booster amplifi er
Notes
•
•
It is not necessary to connect this lead if there is no power
aerial or aerial booster, or with a manually-operated
telescopic aerial.
aerial or aerial booster, or with a manually-operated
telescopic aerial.
•
When your car has a built-in FM/AM aerial in the rear/side
glass, see “Notes on the control and power supply leads.”
glass, see “Notes on the control and power supply leads.”
3
To AMP REMOTE IN of an optional power
amplifi er
amplifi er
This connection is only for amplifi ers. 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
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 earth lead to a metal surface
of the car fi rst.
power (battery) terminal which is energized at all times.
Be sure to connect the black earth lead to a metal surface
of the car fi rst.
•
When your car has a built-in FM/AM aerial in the rear/side
glass, see “Notes on the control and power supply leads.”
glass, see “Notes on the control and power supply leads.”
5
To the + 12 V power terminal which is
energized at all times
energized at all times
Be sure to connect the black earth lead to a metal surface
of the car fi rst.
of the car fi rst.
Notes on the control and power supply leads
•
•
The power aerial control lead (blue) supplies + 12 V DC when
you turn on the tuner.
you turn on the tuner.
•
When your car has built-in FM/AM aerial in the rear/side glass,
connect the power aerial control lead (blue) or the accessory
power input lead (red) to the power terminal of the existing
aerial booster. For details, consult your dealer.
connect the power aerial control lead (blue) or the accessory
power input lead (red) to the power terminal of the existing
aerial booster. For details, consult your dealer.
•
A power aerial without a relay box cannot be used with this
unit.
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
adequate power handling capacities to avoid its damage.
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.
connect the terminals of the right speakers with those of the
left speaker.
•
Do not connect the earth lead of this unit to the negative (–)
terminal of the speaker.
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.
(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.
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.
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.
Diagrama de conexión
1
A una superfi cie metálica del automóvil
Conecte primero el cable de conexión a masa negro,
y después los cables amarillo y rojo de entrada de
alimentación.
y después los cables amarillo y rojo de entrada de
alimentación.
2
Al cable de control de la antena motorizada
o al cable de fuente de alimentación del
amplifi cador de señal de la antena
o al cable de fuente de alimentación del
amplifi cador de señal de la antena
Notas
•
•
Si no se dispone de antena motorizada ni de amplifi cador
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 amplifi cador de
potencia opcional
potencia opcional
Esta conexión es sólo para amplifi cadores. 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 la llave de encendido
recibe energía en la posición de accesorio
del interruptor de la llave de encendido
Notas
•
•
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 superfi cie 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
recibe energía sin interrupción
Asegúrese de conectar primero el cable de conexión a masa
negro a una superfi cie metálica del automóvil.
negro a una superfi cie metálica del automóvil.
Notas sobre los cables de control y de fuente de
alimentación
•
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 entrada de alimentación
auxiliar (rojo) al terminal de alimentación del amplifi cador de
antena existente. Para obtener más información, consulte a su
distribuidor.
antena motorizada (azul) o el cable de entrada de alimentación
auxiliar (rojo) al terminal de alimentación del amplifi cador 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 entrada de alimentación amarillo, el
circuito de la memoria recibirá siempre alimentación, aunque
apague el interruptor de encendido.
Si conecta el cable de entrada 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
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
activos (con amplifi cadores incorporados) a los terminales de
altavoz, puede dañar la unidad.
altavoz, puede dañar la unidad.
•
Para evitar fallos de funcionamiento, no utilice los cables de
altavoz incorporados instalados en el automóvil si su 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 y el amplifi cador no están conectados
correctamente, aparecerá “FAILURE” en la pantalla. Si es así,
compruebe la conexión de ambos dispositivos.
Si el altavoz y el amplifi cador no están conectados
correctamente, aparecerá “FAILURE” en la pantalla. Si es así,
compruebe la conexión de ambos dispositivos.
BUS
AUDIO
IN
L
R
*
1
RCA pin cord (not supplied)
*
2
AUDIO OUT can be switched to SUB
or REAR. For details, see the supplied
Operating Instructions.
Operating Instructions.
*
1
Cable con terminales RCA
(no suministrado)
*
2
AUDIO OUT (Salida de audio) puede
cambiarse a SUB (Secundaria) o REAR
(Posterior). Para obtener información,
consulte el manual de instrucciones
suministrado.
(Posterior). Para obtener información,
consulte el manual de instrucciones
suministrado.
*
1
*
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
from car aerial
desde la antena del automóvil
desde la antena del automóvil
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
Grey/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
Grey
Gris
Gris
Left
Izquierdo
Izquierdo
Right
Derecho
Derecho
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
Purple/black striped
Con rayas Moradas y negras
Con rayas Moradas y negras
*
1
2
7
CDX-GT250
SECTION 2
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
2-1.
SUB PANEL ASSY
(Page 8)
(Page 8)
2-2.
CD MECHANISM BLOCK
(Page 8)
(Page 8)
SET
2-3.
MAIN BOARD
(Page 9)
(Page 9)
2-4.
CHASSIS (T) SUB ASSY
(Page 9)
(Page 9)
2-5.
ROLLER ARM ASSY
(Page 10)
(Page 10)
2-6.
CHASSIS (OP) ASSY
(Page 10)
(Page 10)
2-8.
SL MOTOR ASSY (M902)
(Page 11)
(Page 11)
2-10. SERVO BOARD
(Page 12)
2-7.
OPTICAL PICK-UP
(Page 11)
(Page 11)
2-9.
LE MOTOR ASSY (M903)
(Page 12)
(Page 12)
8
CDX-GT250
2-2. CD MECHANISM BLOCK
Note : Follow the disassembly procedure in the numerical order given.
2-1. SUB PANEL ASSY
2
two claws
3
two claws
4
sub panel assy
1
two screws
(+PTT 2.6
×
6)
6
bracket (CD)
7
CD mechanism block
4
CNP301
3
1
screw
(+PTT 2.6
×
6)
2
screw
(+PTT 2.6
×
6)
5
two screws
(+PTT 2.6
×
4)
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