MINIDISC CHANGER
US Model
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SERVICE MANUAL
MDX-61
SPECIFICATIONS
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Model Name Using Similar Mechanism
MDX-60
Base Mechanism Type
MG-798-133
Optical Pick-Up Name
KMS-193C/J2N
This set is automatic electrical adjustment.
System
Mini disc digital audio system
Laser Diode Properties
Material: GaAlAs
Wavelength: 780nm
Emission Duration: Continuous
Laser out-put 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 response
2020,000 Hz
Wow and flutter
Below measurable limit
Signal-to-noise ratio
95 dB
Output
Bus control output (8 PIN)
Analog audio output (RCA PIN)
Current drain
300 mA (MD playback)
600 mA (during loading or ejecting a disc)
Dimensions Approx. 176
×83.5×125 mm
(7
×33/8×5 in.) (w/h/d)
not incl. projecting parts and controls
Mass
Approx. 1.1 kg (2 lb. 7 oz.)
Power requirement
12 V DC car battery
(negative ground)
Supplied accessories
Mounting hard ware (1 set)
Bus cable 5.5 m (1)
RCA pin cord 5.5 m (1)
· U.S. and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
· Design and specifications subject to change without notice.
9-925-528-12
Sony Corporation
2001H0500-1
e Vehicle Company
C
2001.8
Shinagawa Tec Service Manual Production Group
Ver 1.1 2001.08
2
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
!
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.
TABLE OF CONTENTS
1.
GENERAL ..................................................................... 3
2.
DISASSEMBLY ............................................................ 7
3.
DIAGRAMS
3-1. Block Diagram ................................................................... 11
3-2. Printed Wiring Boards - Servo Section ........................... 13
3-3. Schematic Diagram Servo Section .............................. 15
3-4. Schematic Diagram Main Section ............................... 20
3-5. Printed Wiring Boards Main Section ........................... 23
3-6. Schematic Diagram Power Section ............................. 26
3-7. Printed Wiring Board Power Section ........................... 29
3-8. IC Pin Function Description .............................................. 33
4.
EXPLODED VIEWS ................................................... 41
5.
ELECTRICAL PARTS LIST .................................... 45
SERVICING NOTE
[To place this set in the play mode]
This set does not have the key control function, and
therefore it cannot activate the play mode by itself.
Also, the key control to this set is done through a
serial communication with the master unit (SONY Bus
System compatible car audio, TV tuner, source
selector, etc.). Accordingly, if repairing this set,
connect as shown below:
MDX-61
Master unit
(MDX-C150/
C150RDS, etc.)
Bus control
input terminal
Bus control
output terminal
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
! OR DOTTED
LINE WITH MARK
! 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.
CAUTION
Use of controls or adjustments or performance of pro-
cedures other than those specified herein may result
in hazardous radiation exposure.
3
SECTION 1
GENERAL
This section is extracted
from instruction manual.
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