Sony d 202 service manual

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SERVICE MANUAL

US Model
Canadian Model
UK Model

E Model
Australian Model

System
Laser diode properties

Error correction
Frequency response

Output (at 6 V input level)

General
Power requirements

Power consumption

D-202
AEP Model
D-202/202A
Model Name Using Similar Mechanism NEW
CD Mechanism Name KSM-330AAN

SPECIFICATIONS

Compact disc digital audio system
Material: GaAIAs
Wavelength: x s 780 nm
Emission duration: Continuous
'Laser output: Less than 44.6 W
(This output is lhe value measured at a distance at
200 mm from the objective lens surlace on the Optical
Pick-up Block.)
Sony Super Strategy Cross lnterleave Head Solomon
Code D-A conversion 16«oit linear Sis digital tiller
20-20,ooo Hz :; as
(measured by EIAJ CPGO7)
Line output (stereo miniiack)
Output level 0.55 V rms at 50 kilohms
Load impedance over 10 kilohms
Headphones (stereo minijack)
9 mW+9 row at 169

Supplied:

' DC 2.4 V Rechargeable battery pack BP-DM1

- DC W 6 V jack accepts the Sony AC power adaptor
(supplied)

Dimensions Approx. 132.3 x 26.8 X150.1 mm (5/4 x1/is x 6 in.)
(w/h/d) incl. projecting parts and controls

Weight Approx. 320 g (11.3 oz.) incl. rechargeable battery

Supplied accessories AC power adaptor (1)

Rechargeable battery (1)

Connecting cord (phono plug x 29stereo miniplug (1)
Stereo headphones (1 )

Car mount adaptor (1)

Design and specifications subject to change without notice.

CAUTION

hazardous

Use of controls or adjustments or performance of pro-
cedures other than those specified herein may result in

radiation exposure.

For the Customers In European Countries

Where purchased Operating voltage

European countries 220 V AC, 50 Hz

Canada 120 V AC, 60 Hz

Other countries 100-240 V AC, 50/60 Hz
Not supplied:

0 DO IN 6 V accepts the Sony CPM-ZOSP/CPM-ZOOP
mount plate and CPM-ZOOPK/CPM-ZOSPK Car mount
arm for use on 12 V car battery.

- DC 3 V two size AA (LRS) alkaline batteries

1.4 W DC

CLASS 1 LASER PRODUCT
LUOKAN l LASEHLAITE

KLASS I LASERAPPARAT

This Compact Disc player ls classified
as 3 CLASS 1 LASER product.

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

CflMPABT DISC COMPACT PLAYER

ONY;

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D-202/ 202A

TABLE OF CONTENTS

Section Title Page
Specifications ..................................................................... 1
1. GENERAL ................................................................... 3
2. SERVICING NOTES .................................................... 3
Notes on Handling the Optical Pick-Up Block or
Base Unit ................................................................... 3

Befor Replacing the Optical Blockw- ~-~3
Note on Laser Diode Emission Chec 4
Laser Diode Check Procedure 4
Service .VIode (service program)- ~~5
3. ELECTRICAL ADJUSTMENTS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6
4. DIAGRAMS
4-1. Semiconductor Lead Layoutsm ~11
472. Printed Wiring Board ~12
473. Schematic Diagram~ - 15
4-4. IC Block Diagrams~ ~ 19
5. EXPLODED VIEWS ------------------------------------------------- 21
6. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 23

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A 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 8V SONV.

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITEI

LES COMPOSANYS IDENTIFIES PAR UNE MAROUE [ix
sun LES DIAGRAMMES scHéMATIoues ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA sécunn'é
DE FONCTIONNEMENT. NE REMPLACER css com-
POSANTS DUE PAR DES PIECES SONY DONT LES
NUMéRos som DoNNés DANS ca MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR SONY.