Sony CDX-GT572 Service Manual ▷ View online
CDX-GT572
3
1.
SERVICE NOTE
..................................................... 4
2. GENERAL
Location of Controls ....................................................... 5
Connections
....................................................................
5
3. DISASSEMBLY
3-1. Sub Panel Assy ............................................................... 8
3-2. CD Mechanism Block ..................................................... 8
3-3. Main Board ..................................................................... 9
3-4. Servo
3-2. CD Mechanism Block ..................................................... 8
3-3. Main Board ..................................................................... 9
3-4. Servo
Board
.................................................................... 9
3-5. Chassis (T) Sub Assy ...................................................... 10
3-6. Roller
3-6. Roller
Arm
Assy
.............................................................. 10
3-7. Chassis
(OP)
Assy
........................................................... 11
3-8. Chucking Arm Sub Assy ................................................. 11
3-9. Sled
3-9. Sled
Motor
Assy
.............................................................. 12
3-10. Optical Pick-up Section .................................................. 13
3-11. Optical Pick-up ............................................................... 13
3-11. Optical Pick-up ............................................................... 13
4.
DIAGNOSIS FUNCTION
..................................... 14
TABLE OF CONTENTS
5. DIAGRAMS
5-1. Block Diagram –Main Section– ..................................... 17
5-2. Block Diagram –Display Section– ................................. 18
5-3. Printed Wiring Board –Main Section– ............................ 19
5-4. Schematic Diagram –Main Section (1/3)– ...................... 20
5-5. Schematic Diagram –Main Section (2/3)– ...................... 21
5-6. Schematic Diagram –Main Section (3/3)– ...................... 22
5-7. Printed Wiring Boards –Sub Section– ............................ 23
5-8. Schematic Diagram –Sub Section– ................................. 23
5-9. Printed Wiring Boards –Key Section– ............................ 24
5-10. Schematic Diagram –Key Section– ................................ 25
5-2. Block Diagram –Display Section– ................................. 18
5-3. Printed Wiring Board –Main Section– ............................ 19
5-4. Schematic Diagram –Main Section (1/3)– ...................... 20
5-5. Schematic Diagram –Main Section (2/3)– ...................... 21
5-6. Schematic Diagram –Main Section (3/3)– ...................... 22
5-7. Printed Wiring Boards –Sub Section– ............................ 23
5-8. Schematic Diagram –Sub Section– ................................. 23
5-9. Printed Wiring Boards –Key Section– ............................ 24
5-10. Schematic Diagram –Key Section– ................................ 25
6.
EXPLODED VIEWS
6-1. Main
Section
................................................................... 29
6-2. Front Panel Section ......................................................... 30
6-3. CD Mechanism Section (MG-101TC-188//Q) ............... 31
6-3. CD Mechanism Section (MG-101TC-188//Q) ............... 31
7.
ELECTRICAL PARTS LIST
.............................. 32
CDX-GT572
4
NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (A-1177-201-A)
should be replaced since any parts in the SERVO board cannot be
repaired.
When repairing, the complete SERVO board (A-1177-201-A)
should be replaced since any parts in the SERVO board cannot be
repaired.
NOTE FOR REPLACEMENT OF THE AUX JACK (J901)
To replace the AUX jack requires alignment.
1. Insert the AUX jack into the KEY board.
2. Place the KEY board on the front panel.
3. Solder the three terminals of the jack.
To replace the AUX jack requires alignment.
1. Insert the AUX jack into the KEY board.
2. Place the KEY board on the front panel.
3. Solder the three terminals of the jack.
SECTION 1
SERVICE NOTE
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
• Connect the MAIN board (CN350) and the SERVO board
(CN2) with the extension cable (Part No. J-2502-076-1).
KEY board
front panel
AUX jack
SERVO BOARD
CN2
CN2
MAIN BOARD
CN350
CN350
J-2502-076-1
CDX-GT572
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
Front panel removed
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.
For optional device (CD/MD changer, etc.,)
operation, see “Using optional equipment” on
page 10. 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.
For optional device (CD/MD changer, etc.,)
operation, see “Using optional equipment” on
page 10. 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 Volume control dial/select button
page 9
To adjust volume (rotate); select setup items
(press and rotate).
To adjust volume (rotate); select setup items
(press and rotate).
C SOURCE button
To power on; change the source (Radio/CD/
AUX)*.
AUX)*.
D Display window
E AUX input jack page 10
E AUX input jack page 10
To connect a portable audio device.
OPEN
SEEK
SEEK
PAUSE
SCRL
REP
SHUF
PUSH SELECT
MODE
SOURCE
DSPL
1
2
3
4
5
6
BTM
OFF
AUX
ALBM
ALBM
1
9
q;
7
2
qa
qs
8
qf
qd
4
5 6
3
RESET
qh
qj
qg
OFF
DSPL
SCRL
SEL
SOURCE
MODE
1
3
2
4
6
5
ATT
VOL
+
–
+
–
3
ws
q;
1
wf
qk
ql
wa
w;
wg
wd
7
F OPEN button page 5
G ALBM +/– buttons (during MP3/WMA
G ALBM +/– buttons (during MP3/WMA
playback)
To skip albums (press); skip albums
continuously (press and hold).
To skip albums (press); skip albums
continuously (press and hold).
H Receptor for the card remote
commander
I 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).
J MODE button page 8
To select the radio band (FM/MW/SW)*.
K BTM button page 8
To start the BTM function (press and hold).
L Frequency select switch (located on the
bottom of the unit)
See “Frequency select switch” in the
supplied installation/connections manual.
See “Frequency select switch” in the
supplied installation/connections manual.
M Number buttons
CD:
(3): REP page 8
(4): SHUF page 8
(6): PAUSE
To pause playback of a CD on this unit.
To cancel, press again.
To cancel, press again.
Radio:
To receive stored stations (press); store
stations (press and hold).
To receive stored stations (press); store
stations (press and hold).
N 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).
O RESET button page 4
P Z (eject) button page 5
P Z (eject) button page 5
To eject the disc.
Q Disc slot page 5
To insert the disc.
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).
qk
< (.)/, (>) buttons
To control CD/radio, the same as
To control CD/radio, the same as
(SEEK)
–/+ on the unit.
Setup, sound setting, etc., can be operated by
Setup, sound setting, etc., can be operated by
< ,.
ql DSPL (display) button
To change display items.
w; VOL (volume) +/– button
To adjust volume.
wa ATT (attenuate) button
To attenuate the sound. To cancel, press
again.
again.
ws SEL (select) button
The same as the select button on the unit.
wd
M (+)/m (–) buttons
To control CD, the same as
To control CD, the same as
(ALBM) +/– on
the unit.
Setup, sound setting, etc., can be operated by
Setup, sound setting, etc., can be operated by
M m.
wf SCRL (scroll) button
To scroll the display item.
wg Number buttons
To receive stored stations (press); store
stations (press and hold).
stations (press and hold).
* In the case of a CD/MD changer being connected;
when (
SOURCE) is pressed, the connected device
(“MD”) will appear in the display, depending on
which device is connected. Furthermore, if
which device is connected. Furthermore, if
(MODE)
is pressed, you can switch the changer.
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.
SUB OUT (MONO)
FRONT
AUDIO OUT
REAR
AUDIO OUT
BUS AUDIO IN
BUS CONTROL IN
A
B
Connection example
Notes (2-A)
•
Be sure to connect the ground (earth) lead before connecting
the amplifi er.
the amplifi er.
•
The alarm will only sound if the built-in amplifi er is used.
Tip (2-B)
When connecting only a single CD/MD changer or other optional
device, connect directly to this unit.
When connecting only a single CD/MD changer or other optional
device, connect directly to this unit.
Ejemplo de conexión
Notas (2-A)
•
Asegúrese de conectar primero el cable de conexión a masa
antes de realizar la conexión del amplifi cador.
antes de realizar la conexión del amplifi cador.
•
La alarma sonará solamente si se utiliza el amplifi cador
integrado.
integrado.
Sugerencia (2-B)
Cuando conecte un solo cambiador de CD/MD u otro dispositivo
opcional, hágalo directamente a esta unidad.
Cuando conecte un solo cambiador de CD/MD u otro dispositivo
opcional, hágalo directamente a esta unidad.
CDX-GT572
6
L
R
FRONT
AUDIO OUT
REAR
AUDIO OUT
BUS
CONTROL IN
REMOTE
IN
REAR
AUDIO OUT
FRONT
BUS
IN
SUB OUT (MONO)
2
4
5
1
3
BUS AUDIO IN
from car antenna (aerial)
desde la antena del automóvil
desde la antena del automóvil
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
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
*
1
*
1
RCA pin cord (not supplied)
*
2
Insert with the cord upwards.
*
1
Cable con terminales RCA
(no suministrado)
*
2
Insertar con el cable hacia arriba.
2
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
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/MW/SW 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
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 switch
ignition 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 fi rst.
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/MW/SW 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 fi rst.
surface of the car fi rst.
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/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.
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 supply lead is connected, power will
always be supplied to the memory circuit even when the ignition
switch is turned off.
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.
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 amplifi ers) 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 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.
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
amplifi cador de señal de la antena
Notas
• Si no se dispone de antena motorizada ni de amplifi cador
• 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 dispone de una antena de FM/MW/SW
integrada en el cristal trasero o lateral, consulte “Notas sobre
los cables de control y de fuente de alimentación”.
los cables de control y de fuente de alimentación”.
3 A AMP REMOTE IN de un amplifi cador de
potencia opcional
Esta conexión es solamente para amplifi cadores. La conexión
de cualquier otro sistema puede dañar la unidad.
de cualquier otro sistema puede dañar la unidad.
4 Al terminal de alimentación de +12 V que
recibe energía en la posición de accesorios del
interruptor de la llave de la llave de encendido
interruptor de la llave de la llave de encendido
Notas
• Si no hay posición de accesorios, conéctelo al terminal
• Si no hay posición de accesorios, conéctelo al terminal
de alimentación (batería) de +12 V que recibe energía sin
interrupción.
Asegúrese de conectar primero el cable de conexión a masa
negro a una superfi cie metálica del automóvil.
interrupción.
Asegúrese de conectar primero el cable de conexión a masa
negro a una superfi cie metálica del automóvil.
• Si el automóvil dispone de una antena de FM/MW/SW
integrada en el cristal trasero o lateral, consulte “Notas sobre
los cables de control y de fuente de alimentación”.
los cables 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 superfi cie metálica del automóvil.
negro a una superfi cie metálica del automóvil.
Notas sobre los cables de control y de fuente de alimentación
• El cable de control de la antena motorizada (azul) suministrará cc
• 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/MW/SW integrada
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.
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 la llave de encendido.
Si conecta el cable de entrada de alimentación amarillo, el circuito
de la memoria recibirá siempre alimentación, aunque apague el
interruptor de la llave de encendido.
Notas sobre la conexión de los altavoces
• Antes de conectar los altavoces, desconecte la alimentación de la
• 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.
• 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 amplifi cadores integrados) 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 integrados instalados en el automóvil si la unidad comparte
un cable negativo común (–) para los altavoces derecho e
izquierdo.
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.