Sony dd 20 service manual

Page 1

DD-ZU

SERVICE MANUAL

US Model
Canadian Model
AEP Modal

mom. 5:

Model
D/A conversion

Lawn-01mm
Material

Wave length
Emission duration
Laser output

Output
When the power voltage is 6V
VIDEO OUT

Speaker

P wer
Power requirements

Power consumption

Model Name Using Similar Mechanism DD-8

CD Mechanism Name CDM-DD8K
SPECIFICATIONS
Electronic book player 9;er
16-bit linear digital filter Dimenstons Approximately 166.2 x 113.0 X 39.9 mm

GaAlAs

780 nm

Continuous

Less than 44.6 uW (measured at a
distance 01200 mm irom the objective
lens surface on the Optical Pictoup
Block)

Mini jack
Maximum output level 1 Vp-p
Load impedance 75 ohms

Maximum output level 100 mW
Load impedance 16 ohms

USA/Canada model: 120 V AC, 60 Hz
European model: 220-230 V AC, 50 Hz
UK/Australia model: 240 V AC: 50 Hz
Model for other countries: 110-240 V AC:
50/60 Hz
using the supplied Sony AC power
adaptor connected to the DC lN 6V
jack
6V DC
using 4 size AA (LFIG) batteries
(not supplied)
12 V DC
using the DOC-EtSOL car battery
cord (not supplied)

LEWDC

(65/, x 41/: x 15/3 inches) (w/h/d)
Mass Approximately 445 g (16 oz)
(not including batteries)
AC power adaptor (1)
AV monitor cable (1)

Supplied accessories
Design and specifications are subject to change without notice.
Vour dealer may not handle some oi the above listed accessories:

inquire about the accessories available in your country.

Nola
This appliance conlorms with EEC Dlrecllve a7/308/EEC regarding interference
suppression

ELECTRONIC BllflK PLAYER
S ON Y.)

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Use the AC power adaptor (supplied) to connect the electronic
book player to an AC outlet. as follows:

AC power
adaptor (supplied)

Notes on the Ac power adaptor

'Tlte AC power adaptor may differ depending on the country oi
purchase.

' The player always uses AC power even when other power sources
(such as batteries) are available at the same time.

0 When lhe AC power adaptor is not used, unplug it from the AC outlel.

- Use only the AC power adaptor supplied. Do not use any other AC

power adaplori

Polarity or the plug

mam
WARNING

For the Customers In Canada
This apparatus complies with the Class B limits for radio noise emissions set out in
Radio interference Regulations.

For the Customers in European Countries

F-

CLASS I LASER PRODUCT
LuoKAN I LASERLATTE
KLASS T LASERAPPARAT

m _

Usétl lnte denna anlfiggning for regn och lukt lfir att undvlka rlskerna iér
brand och/eller elektriska stfitar.

Anvandandet av reglage, utlorandel av justeringer och tillvagagangssatt som
skiljer sig frén dem. som anges i denna bruksanvisning, ken resultera i larlig
bestrélning.

This electronic book player is classified as a CLASS 1
LASER product.

The CLASS 1 LASER PRODUCT label is located an
the bottom exterior.

CD-iickdatom klassiliceras sorn en laserprodukt tillhorands Klass 1.
Etiketten CLASS 1 LASER PRODUCT firms pé baksidan.

Ustrélningen lran den laserkomponent som linnsi
denna laserprodukt overstiger den strainingsgréins
som stalls pa Klass 1.

CLASS I LASER PRODUCT

KAN T LASERLAITE

I LASERAPPWT

TABLE OF CONTENTS

Section Title Page
1. SERVICING NOTES ------------------------------- 3
2_ GENERAL .......................................... 10
3. DISASSEMBLY ------------------------ 11
4. ELECTRICAL ADJUSTMENTS -------------------- 13
5. DIAGRAMS

51. Block Diagram

52. Semiconductor Lead Layouts ------------------- 19

5-3. Printed Wiring Board ------------------------- 21

541. Schematic Diagram --------------------------- 25

55. Waveforms

56. IC Pin Descriptions -

57. 1C Block Diagrams

6. EXPLODED VIEWS

6-1. General Section --------------- . 41
6-2. Mechanism Section (CDM-DDBK) ---------------- 42
7. ELECTRICAL PARTS LIST ---------------------- 43

SAFETY - RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A 0R DO'I'I'ED
LINE WITH MARK & 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.

ATTENTION Au COMPOSANT AYANT RAPPORT
A LA SECURITEl

LES COMPOSANTS IDENTIFIES PAR UNE MARQUE [A
sun LES DIAGRAMMES SCHEMATIQUES ET LA LISTE
DES PIECES SONT cnmoues POUR LA sécunmé
DE FONCTlONNEMENT. NE REMPLACER cas COM-
POSANTS QUE PAR DES PIECES SONY Dom LES'
NUMEROS SONT DONNES DANS CE MANUEL ou
DANs LES SUPPLEMENTS PUBLIES PAR SONY.

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