Sony CDP C225 Service Manual

Page 1

EDP-8225/8325

SERVICE MANUAL

Photo: cop-c225

US Model
Canadian Model

CDP-CZZfi/C325

Aus trallan Model

GDP-0325

AEP Model
E Model

GDP-0225

comm

worm. AUDIO

System
Laser

Laser output

Frequency response
Signal to noise ratio
Dynamic range
Harmonic distortion
Channel separation
Wow and flutter
Outputs

General
Power requirements

Model Name Using Similar Mechanism GDP-0312M

SPECIFICATIONS

Compact disc digital audio system
Semiconductor laser (it-4780 nm)
Emission duration: continuous
Maxi 4413 uw*

* This output is the value
measured at a distance of
abom 200 mm from the
objective lens surface on the
Optical Pick-up Block,

2 Hz -~ 20 kHZ (:05 dB)

More than 100 dB

More than 98 dB

Less than 0,005% (1 kHz)

More than 100 dB (1 kHz)

Below measurable limit

LINE OUT (phono jacks)

Output level 2 V (at 50 kilohms)
Load impedance over 10
kilohms

PHONES (stereo phone jack)
Output level 0 - 10 mW
(variable) (at 32 ohms)

US, Canadian Model:
120 V AC, 60Hz

UK, Australian Model:
240 V AC, 50/60Hz

AEP Model:
220-230 V AC, 50/60Hz

Optical Pick-up Block Type BU~5BDBB
Power consumption 12 W
Dimensions Approx. 430 X 125 X 385 mm

(w/h/d) (17 x 5 X 15% inches)
including projecting parts and
controls

Weight Approx, 56 kg (12 lbs 6 02), net

Remote commander RM-D325 (GDP--��325 only)

Remote control system Infrared control

Power requirements 3 V DC with two batteries size AA
(IEC designation R6)

Supplied accessories
Audio signal connecting cord

(phono plug X 2 a phone plug X 2) (1)
Remote commander (1) (GDP-0325 only)
Sony SUM-3 (NS) batteries (2) (GDP-0325 only)
Operating Manual (1)

Design and specifications subject to change without
notice.

CflMPABT msc PLAYER
SONE

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CDP-C225/C325

Note on the Transit Key

The transit key on the bottom exterior of the unit protects
the optical system against shock during transportation.
Before operating the CD player, be sure to remove the key
by following the instructions on the label, and store it in a
safe place.

When transporting the unit. replace the key in its original
hole and lock it in place.

For the customers in Canada
_ CAUTION:

TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS
POLARIZED AC PLUG WITH AN EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET UNLESS THE
BLADES CAN BE FULLY INSERTED TO PREVENT
BLADE EXPOSURE.

THIS APPARATUS COMPLIES WITH THE CLASS B
LIMITS FOR RADIO NOISE EMISSIONS SET OUT IN
RADIO INTERFERENCE REGULATIONS.

For the customers in Australia

This Compact Disc player
is classified as a CLASS 1
LASER product.

The CLASS 1 LASER
PRODUCT label is located
on the rear exterior.

CLASS I LASER PRODUCT

LUOKAN I LASERLAITE
KLASS 1 LASERAPPAHAT

TABLE OF CONTENTS
Section M Page Section M Page
1. GENERAL 5. EXPLODED VIEWS
1-1. Location of ConIroIs ....................................................... 5 5_1_ Front Panel and Case Assemblies ....................................... 21

2. DISASSEMBLY

Zrl, Removal of Front Panel and Case Assemblies, ~~~~~~~~~~~~~~~~~~~~~~~~~ 6

Z»2, Removal of Disc Tray Assembly ---------------
2»3r Removal of Optical Pick-up Block Assembly

3. ELECTRICAL BLOCK CHECKING -------------------------- 7

4. DIAGRAMS

4-1. Circuit Boards Location ------
4~24 Semiconductor Lead Layouts
43 IC Block Diagrams ------------
4,4 Printed Wiring Boards .................................................... 12
4.5 Schematic Diagram ....................................................... 17

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK & OR DOTTED
LINE WITH MARK A 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 BV SONY.

5-2r Disc Tray Assembly ~-
5-3. Chassis Assembly ~~~~~
5-4. Optical Pick-up Block Assembly (BU-SBDSB) ~~~~~~~~~~~~~~~~~~~~~~~ 24

6. ELECTRICAL PARTS LIST ..................................... 25

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITEI

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sun LES DIAGRAMMES scHEMAriouss ET LA LISTE
DEs PIECES sour CRITIQUES POUR LA sEcumré
DE FONCTIONNEMENT. NE REMPLACER cEs com.
POSANTS nus PAR DES PIECES sonv DONT LES
NUMEROS sow-r ponnés DANS CE MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR souv.