Sony CDP 302ES Service Manual

Page 1

SERVICE MANUAL

men

Photo: CDP-302ES

Refer to RM-D302/D502 Service Manual issued separately for
information of the remote controller supplied with this set.

GDP-302, CDPeSZOES:

v us AMode/

' iCDP-302:

. Canadian Model

CDP-302 ES:

AEP Model
UK Model
5 Model
t[:]oMpACT

[15E

DIGITAL AUDIO

SPECIFICATIONS

COMPACT DISC PLAYER
System Compact disc digital audio system
Disc Compact disc
Laser diode properties
Material : GaAlAs
Wavelength: 780 nm
Emission duration: Continuous
Laser output: Max. 0.6 mW*

*This output is the valuemeasured at a distance of about
1.6 mm from the objective lens surface on the optical pick-up
block. .

500 rpm. to 200 rpm. (CLV)
1.2 - 1.4 mlsec.
Sony Super Strategy Cross In-
terleave Reed Solomon Code
Number of channels

2
D-A conversion 16-bit linear
Frequency response

2 - 20,000 Hz :05 dB
Harmonic distortion
Less than 0.003 °/a (1 kHZ)
More than 96 dB

Spindle speed
Scan velocity
Error correction

Dynamic range
Channel separation
More than 95 dB
SAFETY-RELATED COMPONENT WARNINGU

COMPONENTS IDENTIFIED BY SHADING AND 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 PUBLISHED BY SONY.

MICROFILM

Wow and flutter Below measurable limit

Outputs Line outputs
Output level 2V rrns (at MSB)
Load impedance over AO' Kliohms
Headphones
28 mW at 32 ohms
Other jacks Remote control connectors (4-pin)
Disc
Track pitch 1,6 pm
Sampling frequency

44.1 kHz

Quantization 16 bit linear quantizing/channel

Modulation system
EFM

Transfer rate 2.03 Mbitlsec. (before modulation)

General
Dimensions Approx. 430 x 80 x 335 mm (wlhld)
(17 x 3/4 x 131/4 in.)
including projecting parts and con-
. trols
Weight Approx. 6.7 kg (14Ib 13 07.), net

ATTENTION AU coMPosANT AYANT RAPPORT
A LA sécuRiTEI

LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
UNE MARQUE A son LES DIAGRAMMES SCHE-
MATIQUES ET LA LISTE DES PIECES SONT cmrroues
POUR LA sEcuans DE FUNCTIONNEMENT. NE REM-
PLACER CES COMPOSANTS QUE PAR DES PIECES
SONY DDNT LES NUMERos SONT DONNES DANS CE
MANUEL ou DANS LEs SUPPLEMENTS PUBLIES PAR

CAMPAcI DISK PLAYER
S ONY;
W

Page 2

tDISL302/3o255/szolss l

MODEL IDENTIFICATION SAFETY CHECK-OUT (US Model)

GDP-302 After correcting the original service problem,

> NY perform the following safety check before releasing
s 0 a MODEL NO- GDP-302 . the set to the customer:
- -- ,

Check the anteniiakt'erminals, metal trim, metallized
(FOMPACT _DISC PLAYER rknobs, screws, andall other exposed metal parts for
AC leakage. Check leakage as described Below.

LEAKAGE TEST I 4

The AC leakage from any exposed metal part to

SERIAL NO. ~ earth ground and from all exposed metal parts to any

MADE "ll JAPAN - exposed metal part having a return to chassis, must

not exceed 0.5 mA (500 microampers). Leakage

US model: AC: 120 V~60 Hz 15W current can be measured by any one of three
canadian model: AC: 120 v ~ 60 Hz 15 w methods.

i. A commercial leakage tester, such as the

GDP-302Es Simpson 229 or RCA WT-540A. Follow the

manufacturers instructions to use these instru»

SONYe MODEL NO. CDP-302Es merits.
- _ -

2. A battery-operated AC milliammeter. The Data
COMPACT DISC PLAYER Precision 245 digital multimeter is suitable for

this job.
3 Measuring the voltage drop across a resistor by
. , . A means of a VOM or battery-operated AC volt
|:| ( ) meter. The limit indication is 075 V, so
. analog meters must have an accurate low-
SERIAL NO. l voltage scale The Simpson 250 and Sanwa
MADE IN JAPAN l SH~63Trd are examplesof a passive VOM that
G-AEP model is suitable. Nearly all battery operated digital
AEP model' AC' 220 V~ 50/60 Hz 15w multimeter: that have a 2V AC range are
GAAEP model: AC: 220 V 150/60 HZ 15 W snitable. (See Fig- A)
UK model: AC: 240 V ~ 50/60 H215 W
E model: AC: 110,120, 220, 240 V ~ 50/60 H215 W
To Exposed Metal
Part: on Set
CDP-SZOES
SONYe MODEL worm-52053 .
COMPACT DISC PLAYER 0.15uF gum / voltmeter
(0.75 V}
'1':- Earth Ground
SERIAL N0. Fig. A. Using an AC voltmeter to check AC leakage

MADE IN JAPAN

US model: AC: 120V ~60 H215 W