Read Sony CDX-454RF / CDX-454XRF Service Manual online
SERVICE MANUAL
COMPACT DISC CHANGER SYSTEM
US Model
Canadian Model
CDX-454RF
E Model
CDX-454XRF
SPECIFICATIONS
CDX-454RF/454XRF
Photo: CDX-454RF
Ver 1.1 2002.03
9-873-373-02
Sony Corporation
2002C0500-1
e Vehicle Company
C
2002.03
Published by Sony Engineering Corporation
Model Name Using Similar Mechanism
CDX-444RF
CD Drive Mechanism Type
MG-251A-137
Optical Pick-up Name
KSS-720A
CD changer
System
Compact disc digital audio system
Transmitting
Laser Diode Properties
Material GaAlAs
Wavelength 780
Material GaAlAs
Wavelength 780
nm
Emission Duration
Continuous
Laser output power
Less than 44.6 µW*
*
This output is the value measured at a distance of 200 mm from the
objective lens surface on the Optical Pick-up Block.
frequency
88.3 MHz/88.5 MHz/
88.7 MHz/88.9 MHz/
89.1 MHz/89.3 MHz/
89.5 MHz/89.7 MHz/
89.9 MHz (switchable)
88.7 MHz/88.9 MHz/
89.1 MHz/89.3 MHz/
89.5 MHz/89.7 MHz/
89.9 MHz (switchable)
Input/output terminals
Wired remote control
(8 pin)
RF signal (FM) output
Power input (3 pin)
(8 pin)
RF signal (FM) output
Power input (3 pin)
Current drain
800 mA (at playback)
800 mA (at disc loading/
ejecting)
800 mA (at disc loading/
ejecting)
Operating temperature
–10°C to +55°C
(14°F to 131°F)
(14°F to 131°F)
Dimensions
Approx. 262
×
90
×
185 mm
(10
(10
3
/
8
×
3
5
/
8
×
7
3
/
8
in.)
(w/h/d)
Mass
Approx. 2.1 kg (4 lb. 10 oz.)
Relay box
Input/output
Aerial input terminal
Aerial output cord
CD changer input cord
Aerial output cord
CD changer input cord
Dimensions
Approx. 40
×
40
×
27 mm
(1
5
/
8
×
1
5
/
8
×
1
1
/
8
in.)
(w/h/d)
Mass
Approx. 140 g (5 oz.)
Wired remote (RM-X82RF)
Dimensions
Approx. 122
×
36.5
×
15.5 mm
(4
(4
7
/
8
×
1
7
/
16
×
5
/
8
in.)
(w/h/d)
Mass
Approx. 255 g (9 oz.)
General
Supplied accessories
Disc magazine (1)
Parts for installation and
connections (1 set)
Parts for installation and
connections (1 set)
Design and specifications are subject to change
without notice.
without notice.
2
CDX-454RF/454XRF
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
3
2.
GENERAL
Location of controls ........................................................
4
Installation .......................................................................
5
Connections .....................................................................
7
3.
DISASSEMBLY
3-1. Disassembly Flow ..........................................................
8
3-2. Case (Upper. T), Front Panel Assy .................................
9
3-3. Mechanism Deck (MG-251A-137) ................................
9
3-4. FM Board ........................................................................ 10
3-5. MAIN Board, Slide Variable Resistor
3-5. MAIN Board, Slide Variable Resistor
(Elevator Height Sensor) (RV202) ................................. 10
3-6. ELJ Motor Assy (Elevator) (M104) ................................ 11
3-7. Escutcheon (T) ................................................................ 11
3-8. Chassis (U.S) Sub Assy .................................................. 12
3-9. Chassis assy ..................................................................... 12
3-10. RF Board ......................................................................... 13
3-11. Sled Motor Assy (251) (M101),
3-7. Escutcheon (T) ................................................................ 11
3-8. Chassis (U.S) Sub Assy .................................................. 12
3-9. Chassis assy ..................................................................... 12
3-10. RF Board ......................................................................... 13
3-11. Sled Motor Assy (251) (M101),
Optical Pick-up (KSS-720A) .......................................... 13
3-12. LSW Board, Spindle Motor (S) Sub Assy (M102) ........ 14
3-13. ELJ Motor Assy (Chucking) (M103) ............................. 14
3-13. ELJ Motor Assy (Chucking) (M103) ............................. 14
4.
ASSEMBLY
4-1. Assembly Flow ................................................................ 15
4-2. Optical Pick-up Complete Assy ...................................... 15
4-3. Gear (Lomini)/(Load 1) Assy ......................................... 16
4-4. Operation Check ............................................................. 16
4-2. Optical Pick-up Complete Assy ...................................... 15
4-3. Gear (Lomini)/(Load 1) Assy ......................................... 16
4-4. Operation Check ............................................................. 16
5.
MECHANICAL ADJUSTMENTS
....................... 17
6.
ELECTRICAL CHECK
.......................................... 18
7.
DIAGRAMS
7-1. Block Diagram – SERVO Section – .............................. 21
7-2. Block Diagram – MAIN Section – ................................ 22
7-3. Note for Printed Wiring Boards and
7-2. Block Diagram – MAIN Section – ................................ 22
7-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 23
7-4. Printed Wiring Boards – RF/LSW Boards – ................. 24
7-5. Schematic Diagram – RF/LSW Boards – ...................... 25
7-6. Printed Wiring Board
7-5. Schematic Diagram – RF/LSW Boards – ...................... 25
7-6. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 26
7-7. Printed Wiring Boards
– MAIN (Conductor Side)/SW Boards – ....................... 27
7-8. Schematic Diagram – MAIN Board (1/2) – .................. 28
7-9. Schematic Diagram – MAIN (2/2)/SW Boards – ......... 29
7-10. Printed Wiring Board – FM Board – ............................. 30
7-11. Schematic Diagram – FM Board – ................................. 31
7-12. IC Pin Function Description ........................................... 36
7-9. Schematic Diagram – MAIN (2/2)/SW Boards – ......... 29
7-10. Printed Wiring Board – FM Board – ............................. 30
7-11. Schematic Diagram – FM Board – ................................. 31
7-12. IC Pin Function Description ........................................... 36
8.
EXPLODED VIEWS
8-1. General Section-1 ............................................................ 38
8-2. General Section-2 ............................................................ 39
8-3. Mechanism Deck Section-1 (MG-251A-137) ................ 40
8-4. Mechanism Deck Section-2 (MG-251A-137) ................ 41
8-5. Mechanism Deck Section-3 (MG-251A-137) ................ 42
8-6. Mechanism Deck Section-4 (MG-251A-137) ................ 43
8-2. General Section-2 ............................................................ 39
8-3. Mechanism Deck Section-1 (MG-251A-137) ................ 40
8-4. Mechanism Deck Section-2 (MG-251A-137) ................ 41
8-5. Mechanism Deck Section-3 (MG-251A-137) ................ 42
8-6. Mechanism Deck Section-4 (MG-251A-137) ................ 43
9.
ELECTRICAL PARTS LIST
............................... 44
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
OPTICAL
PICK-UP
BLOCK
PICK-UP
BLOCK
SEMI-FIXED
RESISTOR
RESISTOR
US/Canadian model:
If the optical pick-up block is defective, please replace the whole
optical pick-up block.
Never turn the semi-fixed resistor located at the side of optical
pick-up block.
optical pick-up block.
Never turn the semi-fixed resistor located at the side of optical
pick-up block.
3
CDX-454RF/454XRF
SECTION 1
SERVICING NOTES
DISC MAGAZINE GETTING OUT PROCEDURE
ON THE POWER SUPPLY IS OFF
ON THE POWER SUPPLY IS OFF
Remove the COVER (LOWER.T) assy beforehand
1) Press the lever (ML.S) to arrow direction.
2) Removal the magazine assy.
2) Removal the magazine assy.
Note:
Take out the magazine only when the tray is completely within the
magazine. If the disk or tray is sticking out, turn on the power and
eject the magazine.
eject the magazine.
NOTES ON HANDLING THE OPTICAL PICK-
UP BLOCK OR BASE UNIT
UP BLOCK OR BASE UNIT
Lever (ML.S)
Magazine assy
The laser diode in the optical pick-up block may suffer electro-
static breakdown because of the potential difference generated by
the charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
static breakdown because of the potential difference generated by
the charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
TEST DISC
This set can playback a CD-R, CD-RW for audio use. When test
this set, use the following test disc.
Test disc for CD-R: TCD-R082LMT (Part No.: J-2502-063-1)
this set, use the following test disc.
Test disc for CD-R: TCD-R082LMT (Part No.: J-2502-063-1)
Notes on CD-R/CD-RW discs
You can play CD-Rs (recordable CDs)
designed for audio use on this unit.
designed for audio use on this unit.
Look for this mark to
distinguish CD-Rs for audio
use.
distinguish CD-Rs for audio
use.
This mark denotes that a
disc is not for audio use.
disc is not for audio use.
Some CD-Rs (depending on the equipment
used for its recording or the condition of
the disc) may not play on this unit.
used for its recording or the condition of
the disc) may not play on this unit.
You cannot play a CD-R that is not
finalized*.
You cannot play CD-RWs (rewritable CDs).
finalized*.
You cannot play CD-RWs (rewritable CDs).
* A process necessary for a recorded CD-R disc to
be played on the audio CD player.
power supply cord
(J-2502-058-2)
(J-2502-058-2)
compact disc changer
RF output cord
(J-2502-058-1)
(J-2502-058-1)
wirerd remote commander
JIG ON REPAIRING
When repairing this set, connect the jig (cord) for RF output ex-
tract (Part No. J-2502-058-1) and power supply (Part No. J-2502-
058-2) as the figure shown below.
tract (Part No. J-2502-058-1) and power supply (Part No. J-2502-
058-2) as the figure shown below.
Ver 1.1
4
CDX-454RF/454XRF
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Location of controls
Wired remote (RM-X82RF)
Refer to the pages for details.
1
DISC (disc select) buttons 5, 6, 8
2
AMS (Automatic Music Sensor/manual
search) control 6
search) control 6
3
D-BASS indication 7
4
REP (repeat play) indication
5
SHUF (shuffle play) indication
6
DISC (disc number) indication
The indicated disc number matches the
disc number in the disc magazine.
The indicated disc number matches the
disc number in the disc magazine.
7
TRACK (track number) indication
8
MHz (frequency) indication
9
u
(play/pause) button 5, 6
If pressed during CD playback, the CD
will pause. If pressed again, CD playback
will continue.
will pause. If pressed again, CD playback
will continue.
0
Play/pause indication
Turns around during CD playback and
flashes when the pause button is pressed.
Turns around during CD playback and
flashes when the pause button is pressed.
qa
OFF button 6
qs
D-BASS button 7
qd
LEVEL (output level) indication
qf
SHUF/REP (shuffle play/repeat play/
control mode set) button
5, 7, 8
Changing the transmitting frequency
Because this unit processes CD playback sound through an FM
tuner, there may be interference noise during CD playback. In such a
case, change the frequency of the modulated RF signal transmitted
from the unit. The initial setting is 88.3 MHz.
tuner, there may be interference noise during CD playback. In such a
case, change the frequency of the modulated RF signal transmitted
from the unit. The initial setting is 88.3 MHz.
1 Press (SHUF/REP) for two seconds until frequency appears.
2 Press
or
repeatedly to select the frequency.
Each time you press
or
, the frequency changes
as follows:
: 88.3 MHz t 89.9 MHz t 89.7 MHz t 89.5 MHz t
89.3 MHz t 89.1 MHz t 88.9 MHz t 88.7 MHz t
88.5 MHz t 88.3 MHz
88.5 MHz t 88.3 MHz
: 88.3 MHz t 88.5 MHz t 88.7 MHz t 88.9 MHz t
89.1 MHz t 89.3 MHz t 89.5 MHz t 89.7 MHz t
89.9 MHz t 88.3 MHz
89.9 MHz t 88.3 MHz
3 Press (SHUF/REP) for two seconds.
Notes
• When you change the transmitting frequency on the unit, be sure to
• When you change the transmitting frequency on the unit, be sure to
tune your FM tuner to the newly selected one.
• Press u on the wired remote before changing the frequency if the
power to the unit is turned off.
Changing the Output Level
You can select the output level of the unit. Normally the unit is used
in the initial output level; change the level if necessary.
in the initial output level; change the level if necessary.
1 Press (SHUF/REP) for two seconds.
2 Press (SHUF/REP) momentarily.
3 Press
or
repeatedly to select the output level.
To decrease the output level
To increase the output level
4 Press (SHUF/REP) for two seconds.
Note
When you select level 4 or 5, the CD playback sound may be distorted or
you may hear some noise. In such a case, select a lower output level on the
unit and turn down the overall volume on your car audio.
When you select level 4 or 5, the CD playback sound may be distorted or
you may hear some noise. In such a case, select a lower output level on the
unit and turn down the overall volume on your car audio.
Changement de la fr quence de transmission
Comme cet appareil traite le son de lecture CD via un syntoniseur
FM, il se peut qu’il y ait des interférences durant la lecture du CD. En
pareil cas, changez la fréquence du signal RF modulé transmis par
l’appareil. Le réglage initial est de 88,3 MHz.
FM, il se peut qu’il y ait des interférences durant la lecture du CD. En
pareil cas, changez la fréquence du signal RF modulé transmis par
l’appareil. Le réglage initial est de 88,3 MHz.
1 Appuyez sur (SHUF/REP) pendant deux secondes jusqu’à ce
que la fréquence apparaisse.
2 Appuyez plusieurs fois de suite sur
ou
pour
sélectionner la fréquence.
Chaque fois que vous appuyez sur
Chaque fois que vous appuyez sur
ou
, la
fréquence change dans l’ordre suivant :
: 88.3 MHz t 89.9 MHz t 89.7 MHz t 89.5 MHz t
89.3 MHz t 89.1 MHz t 88.9 MHz t 88.7 MHz t
88.5 MHz t 88.3 MHz
88.5 MHz t 88.3 MHz
: 88.3 MHz t 88.5 MHz t 88.7 MHz t 88.9 MHz t
89.1 MHz t 89.3 MHz t 89.5 MHz t 89.7 MHz t
89.9 MHz t 88.3 MHz
89.9 MHz t 88.3 MHz
3 Appuyez sur (SHUF/REP) pendant deux secondes.
Remarques
• Si vous changez la fréquence de transmission de l’appareil, n’oubliez pas
• Si vous changez la fréquence de transmission de l’appareil, n’oubliez pas
de syntoniser votre syntoniseur FM sur la nouvelle fréquence
sélectionnée.
sélectionnée.
• Appuyez sur la touche u de la télécommande filaire avant de changer
la fréquence si l’appareil n’est pas sous tension.
Changement du niveau de sortie
Vous pouvez sélectionner le niveau de sortie de l’appareil. En
principe, l’appareil est utilisé au niveau de sortie initial ; changez le
niveau si nécessaire.
principe, l’appareil est utilisé au niveau de sortie initial ; changez le
niveau si nécessaire.
1 Appuyez sur (SHUF/REP) pendant deux secondes.
2 Appuyez brièvement sur (SHUF/REP).
3 Appuyez plusieurs fois de suite sur
ou
pour
sélectionner le niveau de sortie.
Pour diminuer le niveau de sortie
Pour augmenter le niveau de sortie
4 Appuyez sur (SHUF/REP) pendant deux secondes.
Remarque
Si vous sélectionnez le niveau 4 ou 5, le son de lecture CD peut comporter
des distorsions ou des parasites. En pareil cas, sélectionnez un niveau de
sortie inférieure et baissez le volume de votre autoradio.
Si vous sélectionnez le niveau 4 ou 5, le son de lecture CD peut comporter
des distorsions ou des parasites. En pareil cas, sélectionnez un niveau de
sortie inférieure et baissez le volume de votre autoradio.
:
:
Initial setting
:
:
Ajuste inicial
Cambio de la frecuencia de transmisi n
Puesto que esta unidad procesa el sonido de reproducción de CD
mediante un sintonizador de FM, es posible que se oiga ruido
producido por interferencias durante la reproducción de CD. En tal
caso, cambie la frecuencia de la señal RF modulada que transmite el
sistema. El ajuste inicial es 88,3 MHz.
mediante un sintonizador de FM, es posible que se oiga ruido
producido por interferencias durante la reproducción de CD. En tal
caso, cambie la frecuencia de la señal RF modulada que transmite el
sistema. El ajuste inicial es 88,3 MHz.
1 Pulse (SHUF/REP) durante dos segundos hasta que aparezca
la frecuencia.
2 Pulse
o
varias veces para seleccionar la
frecuencia.
Cada vez que pulse
Cada vez que pulse
o
, la frecuencia cambiará de
la siguiente forma:
: 88,3 MHz t 89,9 MHz t 89,7 MHz t 89,5 MHz t
89,3 MHz t 89,1 MHz t 88,9 MHz t 88,7 MHz t
88,5 MHz t 88,3 MHz
88,5 MHz t 88,3 MHz
: 88,3 MHz t 88,5 MHz t 88,7 MHz t 88,9 MHz t
89,1 MHz t 89,3 MHz t 89,5 MHz t 89,7 MHz t
89,9 MHz t 88,3 MHz
89,9 MHz t 88,3 MHz
3 Pulse (SHUF/REP) durante dos segundos.
Nota
• Cuando cambie la frecuencia de transmisión de la unidad, asegúrese de
• Cuando cambie la frecuencia de transmisión de la unidad, asegúrese de
ajustar el sintonizador de FM en la frecuencia seleccionada.
• Pulse u en el mando alámbrico antes de cambiar la frecuencia si la
alimentación del sistema está desactivada.
Cambio del nivel de salida
Es posible seleccionar el nivel de salida del sistema. Normalmente el
sistema se utiliza con el nivel de salida inicial. Cámbielo si es
necesario.
sistema se utiliza con el nivel de salida inicial. Cámbielo si es
necesario.
1 Pulse (SHUF/REP) durante dos segundos.
2 Pulse (SHUF/REP) momentáneamente.
3 Pulse
o
varias veces para seleccionar el nivel
de salida.
Para reducir el nivel de salida
Para aumentar el nivel de salida
4 Pulse (SHUF/REP) durante dos segundos.
Nota
Si selecciona el nivel 4 ó 5, es posible que el sonido de reproducción de CD
se distorsione o que se oiga cierto ruido. En tal caso, seleccione un nivel de
salida inferior en la unidad y disminuya el volumen general en el sistema
de audio del automóvil.
Si selecciona el nivel 4 ó 5, es posible que el sonido de reproducción de CD
se distorsione o que se oiga cierto ruido. En tal caso, seleccione un nivel de
salida inferior en la unidad y disminuya el volumen general en el sistema
de audio del automóvil.
:
:
Réglage initial