Sony d f 22 st service manual

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D-F21/F228T

SERVICE MANUAL

Ver 1.0 2001.10

US Model

D-FZZS T

E Model

D-F21

CD player
System
Compact disc digital audio system
Laser dlode propertles
Material: GaAlAs
Wavelength: A = 780 um
Emission duration: Continuous
Laser output: Less than 44.6 llW (This output
is the wine measured at a distance of 200 mm
from the objective lens surface on the optical
picloup block with 7 mm aperture.)
D-A converslon
17bit quartz timeraxis control
Frequency response
20 , 20,000 Hz +1/72 dB
(measured by ELAJ CP7307)
Output (at 4.5 V Input level)
Headphones (stereo minijack)
Approx. 12 mW + Approx. 12 mW
at 16 ohms

Fladlo
Frequency range (STEP swltch)
9 kHz step:
PM: 87.5 7108.0 MHz
AM: 531 , 1,710kHz
10 kHz step:
FM: 87.5 , 108.0 MHz
AM: 5307 1,710kHz
Antenna
FM: Headphones/earphones cord antenna
AM: Bullirin ferrite bar antenna

9-873-372-01 Sony Corporation
2001J0400-1 Personal Audio Company
© 2001.10

Published by Sony Engineering Corporation

Model Name Using Similar Mechanism D-E220/E225/E2260K

CD Mechanism Type

CDM-3123EBA

Optical Pick-up Name

BAX-23E

SPECIFICATIONS

General

Power requlrements

For the area code of the model you purchased,

check the upper left side of the bar code on the

package.
- Two LR6 (size AA) batteries: 3 V DC
- AC power adaptor (DC IN 4.5 v jack):
US/E92/MX model: 120 V, 60 Hz
E13 model: 220 , 230 V, 50/60 Hz

Battery llfe (approx. hours)

(When you use the CD player on a flat and stable

surface.)

Playing time varies depending on how the CD player

is used.

When using ESP RADIO

on off on

Two sony alkaline 24 25 66

batteries LR6(SG)

* Measured value by the standard of JEITA
(Japan Electronics and information Technology
Industries Association).

** Charging time varies depending on how the

rechargeable battery is used.

Operatlng temperature
5°C , 35°C (41°F , 95DF)
Dlmenslons (wlh/d) (excludlng prolectlng
parts and controls)
Approx. 161 x 26.3 X 130.3 mm
(6 3/8 X] 1116 x 5 1/4 in.)
Mass (excludlng accessories)
Approx. 210 g (7.5 oz.)
Suppl led accessorles
For the area code of the location in which you
purchased the CD player. check the upper left
side of the bar code on the package.
Headphones (1)
AC power adaptor (1) (mm)

Design and specifications are subject to change
without notice.

- Abbreviation
E13 : AC 220 , 230V area in E model
E92 : AC 120V area in E model
MX : Mexican model

FM/AM PORTABLE CD PLAYER

SONY;

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D-F21/F223T

Flexible Circuit Board Repairing

0 Keep the temperature of the soldering iron around 270°C during
repairing.

- Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).

- Be careful not to apply force on the conductor when soldering
or unsoldering.

Notes on Chip Component Replacement

0 Never reuse a disconnected chip component.

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

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK A OR 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.

2

TABLE OF CONTENTS
1. SERVICE NOTE ................................................................. 3
2. GENERAL
Getting started ......................................................................... 4

3. DISASSEMBLY
3»1. Lid, Battery Case, Cabinet (Front) Assy
3»2. Lid Assy, Upper .....................................
33. Main Board, MD Assy
34. Optical Pick-up, Motor ..

00mm

4. ELECTRICAL ADJUSTMENTS

Tuner Section
CD Section .

5. DIAG RAMS

51. IC Pin Descriptions ........
52. Block Diagram ~CD Section
53. Block Diagram eTuner Section .
54. Block Diagram ePower Supply Section
55. Printed Win'ng Board ~Main Section~ ..
5»6. Schematic Diagram ~Main Section (1/3)~ .
5»7. Schematic Diagram *Main Section (2/3) .
5»8. Schematic Diagram »Main Section (3/3)- .
59. IC Block Diagrams ................................

6. EXPLODED VIEWS

61. Cabinet (Front) Section
62. Cabinet (Lower) Section
6-3. CD Mechanism Deck Section (CDM»3123EBA)

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.25
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7. ELECTRICAL PARTS LIST ......................................... 27