Sony CDP-D12 User manual

COMPACT DISC PLAYER
CDP-D12
SERVICE MANUAL
1st Edition

CDP-D12
!WARNING
This manual is intended for qualified service personnel only.
To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that
contained in the operating instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.
!WARNUNG
Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt.
Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die
Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei
Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben
Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung
dazu besitzen.
!AVERTISSEMENT
Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin
de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les
réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres.
Pour toute réparation faire appel à une personne compétente uniquement.

CDP-D12 1 (P)
For the customers in the Netherlands
Voor de klanten in Nederland
Hoe u de batterijen moet verwijderen, leest u in de
Operatiehandleiding.
Gooi de batterij niet weg maar lever deze in als klein
chemisch afval (KCA).
Für Kunden in Deutschland
Entsorgungshinweis: Bitte werfen Sie nur entladene
Batterien in die Sammelboxen beim Handel oder den
Kommunen. Entladen sind Batterien in der Regel dann,
wenn das Gerät abschaltet und signalisiert “Batterie
leer”oder nach längerer Gebrauchsdauer der Batterien
“nicht mehr einwandfrei funktioniert”. Um
sicherzugehen, kleben Sie die Batteriepole z.B. mit
einem Klebestreifen ab oder geben Sie die Batterien
einzeln in einen Plastikbeutel.
Laser Diode Properties
Wave length : 780 nm
Emission duration : Continuous
Laser output power: 30 mW (max.)
CAUTION
Use of controls or adjustments or performance of
procedures other than those specified herein
may result in hazardous radiation exposure.
DANGER
INVISIBLE LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.
DANGER
RADIATIONS INVISIBLES DU LASER EN CAS D'OUVERTURE.
EVITER TOUTE EXPOSITION DIRECTE AU FAISCEAU.
This label is located on the top panel of the unit.
This CDP-D12 is classified as a CLASS 1 LASER
PRODUCT.
The CLASS 1 LASER PRODUCT label is located on the
top panel.
This caution label is located inside the unit.
CAUTION_CLASS 1M INVISIBLE LASER RADIATION
WHEN OPEN.
DO NOT VIEW DIRECTLY WITH OPTICAL
INSTRUMENTS.
Laser diode properties
Class 1M
IEC60825-1:1993+A1:1997+A2:2001
EN60825-1: 1994+A11:1996+A2:2001
Wavelenght: 780 nm
Emission duration: Continuous
Laser output power: 30 mW (max.)
For UC Model
For European Model

1
CDP-D12
Table of Contents
Manual Structure
Purpose of this manual .............................................................................................. 3
Related manuals ......................................................................................................... 3
Contents ..................................................................................................................... 4
1. Service Overview
1-1. Installation ................................................................................................... 1-1
1-1-1. Operating Environment .............................................................. 1-1
1-1-2. Installation Space ....................................................................... 1-1
1-1-3. Matching Connectors and Cables ............................................... 1-2
1-1-4. Input/Output Signal of Connectors ............................................ 1-3
1-1-5. Rack Mount ................................................................................ 1-3
1-2. Main Parts and Circuit Boards Layouts ...................................................... 1-4
1-3. Removing the Cabinet ................................................................................. 1-4
1-3-1. Cover .......................................................................................... 1-4
1-3-2. Front Panel ................................................................................. 1-5
1-4. Replacement of Main Parts ......................................................................... 1-5
1-4-1. Removing and Installing the CD Mechanism
Deck Assembly (MG-398SC-121) and Internal Parts ............... 1-5
1-4-2. Replacing the Power Fuse ........................................................ 1-11
1-5. How to Eject a Disc in the Case of Emergency ........................................ 1-11
1-6. Initializing the Setups ................................................................................ 1-12
1-7. Mounting Screw of the RS-232C and PARALLEL Connectors .............. 1-12
1-8. Unleaded Solder ........................................................................................ 1-12
2. Spare Parts
2-1. Notes on Repair Parts .................................................................................. 2-1
2-2. Exploded Views .......................................................................................... 2-2
2-3. Electrical Parts List ..................................................................................... 2-7
2-4. Supplied Accessories ................................................................................ 2-13
3. Semiconductor Pin Assignments
4. Block Diagram
Overall .................................................................................................................... 4-1

2CDP-D12
5. Board Layouts
AC/SW ................................................................................................................... 5-1
DISPLAY ............................................................................................................... 5-1
EJECT..................................................................................................................... 5-1
HP ..................................................................................................................... 5-1
MAIN ..................................................................................................................... 5-2
POWER .................................................................................................................. 5-4
LOAD ..................................................................................................................... 5-5
SENSOR ................................................................................................................. 5-5
SERVO ................................................................................................................... 5-5
SW ..................................................................................................................... 5-5
6. Schematic Diagrams
MAIN ..................................................................................................................... 6-1
LOAD ..................................................................................................................... 6-3
SENSOR ................................................................................................................. 6-3
SERVO ................................................................................................................... 6-3
SW ..................................................................................................................... 6-3
Frame Wiring.......................................................................................................... 6-4

3
CDP-D12
Purpose of this manual
This manual is the service manual of Compact Disc Player CDP-D12.
This manual is intended for use by trained system and service engineers, and
describes the information required for parts-level service.
Related manuals
Beside this Service Manual, the following manuals are available for the unit.
For obtaining, contact your local Sony Sales Office/Service Center.
..
..
.Operating Instructions (Supplied with CDP-D12)
This manual describes how to operate the CDP-D12.
..
..
.“Semiconductor Pin Assignments” CD-ROM (Available on request)
This “Semiconductor Pin Assignments” CD-ROM allows you to search for
semiconductors used in B&P Company equipment.
Semiconductors that cannot be searched for on this CD-ROM are listed in the
service manual for the corresponding unit. The service manual contains a com-
plete list of all semiconductors and their ID Nos., and thus should be used together
with the CD-ROM.
Part number: 9-968-546-XX
Manual Structure

4CDP-D12
Contents
The following are summaries of the each section for understanding the manual.
Section 1 Service Overview
Describes the basic information (removal of outside panels, location of main parts,
rack mounting and installation procedure) required for service, replacement of main
parts, initial setting procedure, etc.
Section 2 Spare Parts
Describes the exploded views of the target parts of service, mechanical parts list and
electrical parts list.
Section 3 Semiconductor Pin Assignments
Contains information on semiconductors used for the unit.
It includes a complete list of the semiconductors and their ID Nos. for retrieving
information on “Semiconductor Pin Assignments”CD-ROM, which is available
separately.
Please refer to this section together with the “Semiconductor Pin Assignments”
CD-ROM.
Information on the semiconductors not contained in the CD-ROM at the time of
issue of this manual, if any, is given in this section as well.
Section 4 Block Diagram
Describes overall block diagram and circuit description.
Section 5 Board Layouts
Describes board layouts for every circuit board.
Section 6 Schematic Diagrams
Describes schematic diagrams for every circuit board and frame wiring.

1-1
CDP-D12
Section 1
Service Overview
1-1. Installation
1-1-1. Operating Environment
Operation temperature : +0 dC to +40 dC
(Functions guaranteed)
Storage temperature : _20 dC to +60 dC
Mass : Approx. 4.0 kg
Power supply voltage : AC 100 V (for J)
AC 120 V (for UC)
AC 230 V (AC 220 V to 240 V)
(for CE)
AC 220 V (for CN)
Power supply frequency : 50/60 Hz (for J/CE/CN)
60 Hz (for UC)
Power consumption : 16 W (for J and CE)
18 W (for UC and CN)
1-1-2. Installation Space
Do not install in the following places:
.Areas exposed to direct sunlight or other strong light
.Dusty areas
.Areas with strong electric or magnetic fields
.Areas near heat sources
.Areas subject to vibration
.Areas with much electrical noise
.Areas with much static noise
Note for installation
The unit has been designed to be used upright. Therefore
do not place it on its side nor tilt it.
c
Laser beam
When servicing, do not approach the laser exit with the eye
too closely. In case it is necessary to confirm laser beam
emission, be sure to observe from a distance of more than
30 cm from the surface of the objective lens on the optical
pick-up block.
44
265 272
44
482
430
Unit : mm

1-2 CDP-D12
1-1-3. Matching Connectors and Cables
When connecting cables to the connectors on the connector panel, use the connectors (or cables) or their
equivalent at the end of the connecting cables.
CDP-D12 Matching connector and cable
Connector Name Name Sony part No.
PARALLEL D-sub 9-pin, Female D-sub 9-pin, Male 1-568-182-11 (connector)
1-766-771-11 (shell)
RELAY IN/OUT Stereo mini jack Stereo mini plug SONY RK-G136
or equivalent
RS232C D-sub 9-pin, Male D-sub 9-pin, Female 1-568-181-11 (connector)
1-563-375-11 (shell)
CTRL-S Mini jack (φ3.5) Control-S connecting cable Accessory of CDP-D12
OPTICAL Square optical Optical digital connecting _
connector cable
COAXIAL Pin jack Pin plug _
ANALOG OUTPUT (UNBAL) Pin jack Pin plug _
L/R
ANALOG OUTPUT (BAL) XLR 3P, MALE XLR 3P, FEMALE 1-508-083-11
L/R CANNON XLR-3-11C
or equivalent