Sony d 303 service manual

Page 1

0-303

SERVICE MANUAL

_ US Model
Canadian Model
AEP Model

UK Model

E Model
Austral/an Model

[Element

CD section
System
Laser diode prupertres

Error correction

D-A conversion

Frequency response
Dynamic range
Signalvtcmoise ratio
Distortion ratio

Low and "utter

Outputs (at s v input level)

Model Name Using Similar Mechanism

035/350

CD Mechanism Name

CDM~350

SPECIFICATIONS

Compact disc digital audio system
Malenal: GaAlAs
Wavelength: 730 nm
Emission duratton: Continuous
Laser output: less than 445 w
This output is the value measured at a distance at about
200 mm trom the objective lens sudace on the Optlcal
Pickrup Block.
Sony Super Strategy Cross Interleave Reed Solomon
Code
1 bit quarz time-axis control
20-20900 Hz :95 dB'
Mote than 96 dB'
More than 100 (13
Less than 0006 % (1 kHz)-
Belaw measurable limlt
Line output (stereo mirtuack)
Output level 1.5 V ms at 50 kilohms
Load impedance wet to kltohms
Optical digital output (optical output connector)
Output level: -21 - -15 dBm
Wavelength: $30 - 690 nm at peak level
Headphones (stereo minijack)
5 mW+5mW at is ohms

' Measured by ElAJ (DP-307 at 9 V DC

Do not connect either wire to the earth terminal in the
plug which is marked by the letter E or by the safety
earth symbol 11? or coloured green or greenrand-yellow.

General
Power requirements

Power consumption
Dimensions

Weight
Supplied accesories

Rechargeable battery pack BP-ZEX (supplied)
LRS (size AA) alkalme battery (2, nm supplied)
DO IN 9 v rack accepts:
Sorry AC power adaptor (supplied)
100-260 V AC, 50/60 HZ
Sony CPM-203 (available only in Japan). CPMv203P
(available in other countries) car mount plate, or Sony
Doc-£19m battery cord tor use on 12 v car battery (not
supplied)
3 W DC
Approx 1261) x 235 x1355 mm (VI/hid)
not incl, inclined pan (depth). proiecting parts and
controls
Approx. 1260 x 27.4 x 135.5 mm (wilt/d)
tnCit promoting pans and controls
Approx. 450 9 incl. rechargeable battery
Headphones with remote commander (1)
AC power adaptor (1)
Rechargeable battery pack (1)
AC plug adaptor (1)
Carrying case (1)
Connecting cord (1) (stereo minipiug - two phono plugs)
Operating instructions (1)

Design and specifications subiect to change without notice.

CAUTlON

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

CUMPACT Disc COMPACT PLAYER
SONY;