Sony xo d 20 cd service manual

Page 2

XO-D20CD/ D205

TABLE OF CONTENTS

Section Title Page
Specification................ ..... 1
Ceramic Filters (CM and CF2) ...... . . . . 2

Location and Function of
PartsandControls 3
SECTIONl.DIAGRAMS...............5
1-1. Printed Wiring Board (1)
(1unersection).............5
1-2. Schematic Diagrams (1)
(Tuner section) ...... . . . . . . . . 7
1-3. Printed Wiring Board (2)
(Amp and power-supply section) . . . . . 11
1-4. Schematic Diagrams (2)
(Amp and power-supply section) . . . . . 15
SECTION 2. EXPLODED VIEWS . . . . . ...... 20
SECTION 3. ELECTRICAL PARTS LIST . . . . . 25

MODEL IDENTIFICATION
- Specification Label - XO.D20CD

XO-DZOS

SONY; MODEL N0. m

STEREO DECK RECEIVER SYSTEM

I

UK model: 240V~ 50/60 Hz 120 W
AEP model: 220V~ 50/60 Hz 60 W

SAFETY-RELATED COMPONENT WARNING]!

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 PUB.
LISHED BY SONY.

Note-1 on Ceramic Filter (CFlfll, 102) Replacement
and Diode D364, 365 Connection.

This set employs two ceramic filters (CF101, 102)
which should have the same color marking to
Therefore FM IF
offset adjmtment by diodes (D364, 365) connection is

identify their center frequency.

necessary to match the center frequency of the
ceramic filters used with FM intermediate frequency.

Color marking

CF101, 102

0: connect
X: not connect

D364, 365
connection FM intermedi-
ate frequency
Color Center i're- A 8 MHz)

mark quenCY (Mu) (D364) (D365)

Ceramic ti 1 ter

White 10.750 0 X 10.750
Red 10.700 X X 10.700
Black 10.650 X 0 10.650

FM intermediate frequency is determined by the
three types as shown above. Ceramic filters of
same center frequency, i.e., of same color coding
should be used for CF101 and CF102.

When replacing the ceramic filters, perform the FM

Discriminator Adjustment.

Note-2 on xo-DZOS's Main Mounting Board Re-
placement

The spare parts of the XO-D2DS's main mounting
board can be supplied by the substitute pars of an
XO-DZOCDs main mounting board. When the
XO-DZOCD is used for the XO-DZOS, therefore, its
parts should be replaced partially.

(1) Remove

the connector
ICJ13) for xo-Dzocn.

_I*L_I_

Front side If

(2) Install the pin jock
{or XO-DZIICD.
Ref. Pam N0.
OJ 1-501-801-21