Sony Discman D-303 Service Manual

0-303
SERVICE MANUAL | US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
DIStmaN
Model Name Using Similar Mechanism | D-35,"350
CD Mechanism Name CDM-350
SPECIFICATIONS
CD section General
System Compact disc digital audio system Power requirements Rechargeable battery pack BP-2EX (supplied)
Laser diode properties Material: GaAlAs LR6 (size AA) alkaline battery (2, not supplied)
Wavelength: 780 nm DC IN 9 V jack accepts:
Emission duration: Continuous Sony AC power adaptor (supplied)
Laser output: less than 44.6 ~.W 100 ~240 V AC, 50/60 Hz
This output is the value measured at a distance of about Sony CPM-203 (available only in Japan), CPM-203P
200 mm from the objective lens surface on the Optical (available in other countries) car mount plate, or Sony
Pick-up Block. DCC-E190M battery cord for use on 12 V car battery (not
Error correction Sony Super Strategy Cross Interleave Reed Solomon - supplied)
Code Power consumption 3 W DC ;
O-A conversion 1 bit quarz time-axis control Dimensions Approx. 1260 x 235 x 135.5 mm (w/hi/d)
Frequency response 20- 20,000 Hz *7° dB* not incl. inclined part (depth), projecting parts and
Dynamic range More than 96 dB* ; controls
Signal-to-noise ratio
More than 100 dB*
Approx. 126.0 x 27.4 x 135.5 mm (wihi/d)
Distortion ratio Less than 0.006 % (1 kHz)* incl. projecting parts and controls
Low and flutter
Below measurable limit*
Weight
: Approx. 450 g incl. rechargeable battery
Outputs (at 9 V input level) Line output (stereo minijack) Supplied accesories Headphones with remote commander (1)
Output level 1.5 V rms at 50 kilohms AC power adaptor (1)
Load impedance over 10 kilohms Rechargeable battery pack (1)
Optical digital output (optical output connector) AC plug adaptor (1)
Output level: -21 — -—15 dBm Carrying case (1)
Wavelength: 630 — 690 nm at peak level Connecting cord (1) (stereo miniplug + two phono plugs)
Headphones (stereo minijack) . Operating instructions (1)
5 mW+5mW at 16 ohms
*Measured by EIAJ CP-307 at 9 V DC Design and specifications subject to change without notice.
Do not connect either wire to the earth terminal in the
plug which is marked by the fetter E or by the safety
earth symbol -+ or coloured green or green-and-yellow.
CAUTION
Use of controls or adjustments or performance of pro-
cedures other than those specified herein may result in
hazardous radiation exposure,
COMPACT DISC COMPACT PLAYER
"SONY.