Sony d 245 service manual

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D-245

SERVICE MANUAL USMode/

Canadian Model
AEP Model

UK Model

E Model
Australian Model
Tourist Model

Model Name Using Similar Mechanism D-232/235

CD Mechanism Type KSM-331 CAN (8)
Optical Pick-up Name KSS-331C
SPECIFICATIONS
System General Dimensions (wlhld) (without projecting pans
Compact disc digital audio system Power requirements and controls)
Laser diode properties - Rechargeable battery: 2.4 v DC Approx. 130 X 315 X 142 mm
Material: GaAIAs . Two LR6 (size AA) batteries: 3 v DC (5 V- x 1 v. x 5 mm)
Wavelength: A = 750 nm - AC power adaptor (DC LN 45 V jack): Mass (without rechargeable battery)
Emission duration: Continuous > Approx. 270 g (9.6 oz)
Laser output: Less than 44.6 uW (measured at Where thased 099an "Walle Operating temperature
200 mm away from the objective lens surface) European and Aslan model 220V - Z30V 50H; 5°C - 35°C (41°F 35°F)
5"" "9 USA, Cznadlan, Central and , .
Sony Super Strategy Cross lnterleave Reed Sou, Amman model 110V 60: Supplied accessorles
Solomon Code t I
DA mnvmlon Middle Easlren model llov - 240v 50mm agrgxgggfifh: E1:
1-bit quartz timesaxis control UK and Australian model Z40V 50H; Connecting cord (Phono plug x 2 H stereo
"Elleny "359 Model lor other countries loov - 2on 50/60Hz miniplus) (1)
20 - 20/000 Hz 315 (mEasured by EM) CT" Rechargeable battery BP-DMlO" ('l)
307) I Sony CPM-300P mount plate and CPM- Carrying case' (1)
Output (at 4.5 V input level) 300PK mount m" for use ° W WW1 Nol supplied with UK. and European
Headphones (stereo minijack) 4-5 V DC model, world model
15 mW + 15 mW at 16 ohms "World model only
Line output (stereo minijack) U.Kt and world model only
Output level 0.7 V ms at 50 kilohms _ , _ ,
Recommended load impedance over .10 Desngn and spectficallons are subject to thange
kiloh ms wtthout notice,

_ COMPACT Dlsc COMPACT PLAYER
.11.: S ONY;

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TABLE OF CONTENTS

m M Lagfi
Specifications .................................. 1
I. GENERAL ........................... 3
2. SERVICE NOTE ...................... 3
3. DISASSEMBLY ......................... 5
4. SERVICE MODE ...................... 5
5. ELECTRICAL ADJUSTMENTS ---------- 7
6. DIAGRAMS

6-1. IC Pin Function Description ~~~~~~~~~~~~~ 11
6-2. Printed Wiring Board ~~~~~~~~~~~~~~~~~~~~~ 14
6-3 SchematicDiagi-am ....................... l7
7. EXPLODED VIEWS -------------------- 25
8. ELECTRICAL PARTS LIST ------------ 23

For the customers In the UK.

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

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

CLASS I LASER PRODUCT
LUOKAN I LASERLAITE

KLASS I LASERAPPARAT

For the customers In Australla

The supply cord of the AC power adaptor cannot be
replaced; if the cord is damaged, the AC power adaptor
should be discarded.

CAUTION

Use of controls or adjustments or performance
of procedures other than those specified herein
may result in hazardous radiation exposure.

Flexible Clrcult Board Repalrlng

0 Keep the temperature of the soldering iron around
270°C during repairing.

0 Do not touch the soldering iron on the same conductor
of the circuit board (within 3 times).

0 Be careful not to apply force on the conductor when
soldering or unsoldering.

Notes on chlp component replacement

0 Never reuse a disconnected chip component
O Notice that the minus side of a tantalum capacitor may
be damaged by heat.

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDEN11FIED BY MARK A 0R 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 BY SONV.

A1'I'EN110N Au COMPQSANT AYANT RAPPORT
A LA SECURITEI

LEs COMPOSANTS IDENTIFIES PAR UNE MARQUE A
sun LEs DIAGRAMMES SCHEMA'HOUES ET LA LISTE
DES PIECES SONT cnmnues POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER css com-
POSANTS QUE PAR DEs PIECES so~v DONT LEs
NUMERos sour DONNEs DANS CE MANUEL ou
DANS LEs SUPPLEMENTS PUBLIES PAR souv.