Sony Discman D-50MkII Service Manual

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_ [REVISED
Discard D-50MkH/D-7S
SERVICE MANUAL
(No. 9-952-109-11)
previously issued.
STEP/MIN "SEC
Refer to BP-200 Service Manual issued previously for information
of rechargeable battery pack supplied with this set.
US Model
Canadian Model
'D-SOMkII:
AEP Model
UK Model
_ E Model
_ AUS Model
FRENCH Model
| Dutch Model
Pisthan
SPECIFICATIONS
System Compact disc digital audio system General
Disc Compact disc Power requirements Lead acid battery (closed type)
Material: GaAlAs
Wavelength: 780nm
Emission duration: Continuous
Laser output: Max. 0.4mvV*
*This output is the value measured at a distance of about
1.6 mm from the objective lens surface on the Optical Pick-up
Block.
500r.p.m. to 200r.p.m. (CLV)
Laser diode properties
Spindie speed
Scan velocity
1.2-1.4misec.
Error correction
Sony Super Strategy Cross Interleave Reed Solomon Code
Number of channels 2
D-A conversion
16-bit linear
Frequency response
20--20,000 Hz'}dB
Total harmonic distortion
Less than 0.008 %
Oynamic range
More than 90d8 (1 kHz)
Wow and flutter
Below measurable limit
Outputs (at 9V input level)
Line output (stereo minijack)
Output level 1.6V rms
Load impedance over 10 kilohms
Headphones (stereo minijack)
30 mW + 30 MW at 32 ohms
CAUTION
@ Use of controls or adjustments or performance of
procedures other than those specified herein may
result in hazardous radiation exposure.
SAFETY-RELATED COMPONENT WARNING!!
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.
using Sony BP-200 rechargeable battery pack (supplied), 6V
Eight IEC designation LR6 atkaline batteries (size AA)
using Sony EBP-380 battery case (optional), 12V
DC IN 9V jack accepts;
Sony ac power adaptor (supplied)
For use in US, Canadian Model on
120V ac, 60 Hz
For use in UK, AUS Model on 240V ac, 50 Hz
For use in AEP, Dutch Model on 220V ac, 50 Hz
For use in E Model on 110, 120, 220, or 240V ac,
50/60 Hz
Sony DCC-120 car battery cord (optional) for use on 12V car
battery
Power consumption 2.6W dc
Dimensions Approx. 125.927 x 125.9mm (w/hid)
(5x 1/,x5 inches)
not incl. inclined part (depth)
not inct. projecting parts and controls
Approx. 126.9 «31.5 132.5 mm (wihid)
(5x 1/,x5Y, inches)
incl. projecting parts and controls
Weight Approx. 510g (11!b 2.02), net
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
UNE MARQUE A SUR LES DIAGRAMMES SCHE-
MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES
POUR LA SECURITE DE FONCTIONNEMENT. NE REM-
PLACER CES COMPOSANTS QUE PAR DES PIECES
SONY DONT LES NUMEROS SONT DONNES DANS CE
MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR
SONY.
COMPACT DISC COMPACT PLAYER
MICROFILM