Sony CDP 312 Service Manual

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'212/312

SERVICE MANUAL

US Model

GDP-212

Canadian Model
AEP Model

UK Model

E Model
Australian Model

GDP-2 12/3 12

Photo : GDP-312

Model Name Using SImiler Mechanism CDP-H7900

COMM-58010 or

CD Mechanism Type CDM14C-5BD1'0

Base Unit Type BU-SBDIOB

Optical Pick-up Type KSS-240A

SPECIFICATIONS

Compact disc player

Laser Semiconductor laser
Wavelength 780 - 790 nm
Frequency response 2 Hz to 20 kHz 10.5 dB
Signal-to-noise ratio More than 97 dB
Dynamic range More than 95 dB
Harmonic distortion Less than 0.0050 34,
Channel separation More than 93 dB

Outputs
LINE OUT (phono jacks) Output level 2 V (at 50 kilohrns)

Load impedance over 10 kilohms

General

Power requirements US, Canadian model :

120 V AC, 60 Hz
European model :

220 - 230 V AC. 50/60 Hz
Australian model :

240 V AC, 60 Hz

Models for other coutries :
110 - 120/220 « 240 AC.
adjustable. 50/60 Hz
Power consumption 10 W

Dimensions (approxi, including projections)

430 x100 x 295 mm (w/h/d)
(17x4 x 11 V inches)

30 kg (6 lbs 10 oz)

Mass (approxt)

Remote commander (only for CDP-312)
Remote control system Infrared control
Power requirements 3 V DC with two size AA (R6)
batteries
Dimensions (approx, including projections)
44 x 21x185 mm (w/h/d)
(1 /4 x 7/ x 7»/" inches)
Mass (approx) 100 g (4 02)
Supplied accessories
Audio cord (1) (2 phone plugs - 2 phone plugs)
Remote commander (only for CDle312)
(1)
SOny SUM-3 (NS) batteries (only for GDP-312)
(2)

Design and specifications are subject to change without notice.

COMPACT msc PLAYER
S O NY®

Page 2

Laser component in this product is capable of emitting radiation

exceeding the limit for Class 1 TAB LE OF CONTENTS
53.01323 TI! e Eagg

This appliance is classified as a 1 . SERVICING NOTE ................................................ 3
CLASS 1 LASER PRODUCT CLASS 1 LASER product. The

LUOKANI LASERLNTE CLASS 1 LASER PRODUCT 2. GENERAL
KUSS l LASERAPPARAT MARKING is located on the rear
exterior.

Identifying the Paris .......................................................... 4

3. DISASSEMBLY
Front Panel .........

The following caution label is located inside the unit.
MD (BU-5BD1OB)

CAUTION : luvs??? Pngiz 3:33:13: men oven.
Av | x u
ADVAFISEL . usmue usensrmuue vsn ABNING an 4 ELECTRICAL BLOCK CHECKING ........................ 6
' slxxERMEDsAFERV/DERE an uDE AF ruNK'riox,
uNistuDs ETTELSE son swammc.
VARO' Istafitmxtfsasigmgwsw 5. DIAGRAMS
VARNING : LASERSYRALING ma DENNA DEL An enema 5.1 . |C Pin Functions
ecu sunset: A: unxowun.
ADVARSEL : ustuo ussusraALmG m oexsa was ' IC101 (CXDZSI SQ)

UNNGAEKSPONERINGFORSTRALEN. . IC301 (CXDZSGSAM) '-
~ l8601 (CXP82316«037Q)

5-2. Block Diagram ...............

5»3. Semiconductor Lead Layouts

5-4. Primed Wiring Boards

5-5. Schematic Diagram

6i EXPLODED VIEWS
6~1 Front Panel Section .......................................................... 23
6-2. CD Mechanism Section
(COMM-58010 or CDM140~53010)
6-3. Optical Pick-up Block (BUvSBDioB

7. ELECTRICAL PARTS LIST ................................... 26
MODEL IDENTIFICATION
- Specification Label -
GDP-212
CUP-313
S ONY MODEL mm
- -
COMPACT DISC PLAYER

Noies on chip component replacement US, Canadian model : 120V AC, eon, 10w
. Never reuse a disconnected chip component. AEP- UK. German model 1220 - 230V AC. 543/6on, 10W
- Notice that the minus side of a tantalum capacitor may be 533"?" model 124W AC. 50Hz 10W
damaged by heat. E, Saudi Arabia model : 110 - 120/220 - 240V AC, 50/60 Hz 10W