Sony cdp c 445

Page 1

EDP-C445

SERVICE MANUAL

US Model
Canadian Model

Compact Disc Player
System

Laser

Wavelength
Frequency response
Signal to noise ratio
Dynamic range
Harmonic distortion
Channel separation

Outputs

LINE OUT

(phono jacks)
DIGITAL OUT
(OPTICAL)

(optical output
connector)
PHONES

(stereo phone jack)

Model Name Using Similer Mechanism

CDP-C435

CD Mechanism Type

CDM16G1-SBDS

Base Unit Type

'BU-SBDioB

Optical Pick-up Type

KSS-240A

SPECIFICATIONS

Compact disc digital audio system
Semiconductor laser

780-790 nm

2 Hz-20 kHz (:05 dB)

More than 107 dB

More than 98 dB

Less than 0,0035%

More than 100 dB

Output level 2 V

Load impedance over 10 kilohms
Wave length 660 nm

Output level -1 8 dBm

Output level max. 10 mW
Load impedance 32 ohms

General

Power requirements
Power consumption
Dimensions (approxt)

Mass (approx)

Remote Commander
Remote control system
Power requirements
Dimensions

Mass

120 V AC, 60 H2

14 W

430 x 125 X 385 mm (w/h/d)
(17 x 5 x 15% inches)
Including projecting parts and
controls

5.7 kg , net

(12 lbs 1002)

RM-DSSS

Infrared control

3 V DC with two size AA batteries
(lEC designation R6)

45 x 20 x 185 mm (w/h/d)

(13/is x /is x,73/e inches)

100 g (3.5 oz) including batteries

Design and specifications are subject to change without

notice.

COMPACT DISC PLAYER
S ONY;

Page 2

Notes on chip component replacement

. Never reuse a disconnected chip component.

~ Notice that the minus side of a tantalum capacitor may be
damaged by heat.

For the Customers in Canada

r CAUTION

TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS
POLARIZED AC PLUG WITH AN EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES
CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.

This apparatus complies with the Class B limits for radio noise
emissisons set out in Radio interference Regulations.

HOW TO OPEN THE DISC TRAY WHEN POWER
SWITCH TURNS OFF

SAFETY-RELATED COMPONENT WARNING I!

COMPONENTS IDENTIFIED BY MARK A 0R DOTTED
LINE WITH 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.

TABLE OF CONTENTS

Section lute Bags
1. GENERAL
Identifying the Parts .......................................................... 4

2. DISASSEMBLY

21. Case, Bottom Plate and Front Panel
2-2. Back Panel and Disc Table ..............
2-3. Optical Pick-up Block Assembly
2-4. Bracket (Gear) Assembly ..........
2-5. Positioning the Encoder when Attaching the Gear

OOUIOI

(Main) ................................................................................. 7
3. ELECTRICAL BLOCK CHECKING ........................ 6
4. DIAG RAMS

4-1. IC Pin Functions

' CXP82220-0180 (i0501) Pin Functions
4-2. Circuit Boards Location ............................
4-3. Block Diagram ...................................
4-4. Printed Wiring Board - BD Section -
4-5. Schematic Diagram - BD Section
4-6. Printed Wiring Boards - Main Section --
4-7. Schematic Diagram - Main Section --
4-8. Semiconductor Lead Layouts
4'9. IC Block Diagrams ..............

5. EXPLODED VIEWS

5-1. Front Panel and Case Assemblies ......
5-2. Back Panel and Disc Table Assemblies
5-3. Chassis Assembly
54. Optical Pick-up Block Assembly (BU-5BD1OB)

6. ELECTRICAL PARTS LIST

insert a tapering driver into the aperture of the unit bottom, and turn
in the direction of arrow (to OUT direction).

* To close the disc tray, turn the driver in the reverse direction (to IN
direction).

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITEI!
LES COMPOSANTS IDENTIFIES PAR UNE MARQUE A
SUR LES DIAGRAMMES SCHEMATIOUES ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER CES
COMPOSANTS QUE PAR DES PIECES SONY DONT
LES NUMEROS SONT DONNES DANS CE MANUEL 0U
DANS LES SUPPLEMENTS PUBLIES PAR SONY.