Table Of Contents - Sony Walkman D-E888 Service Manual

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TABLE OF CONTENTS

1. SERVICING NOTES
2. GENERAL
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3. DISASSEMBLY
......................................................... 7
4. ELECTRICAL CHECKING
5. DIAGRAMS
5-1. Block Diagram - MAIN Section (1/2) - ........................ 15
5-2. Block Diagram - MAIN Section (2/2) - ........................ 17
5-3. Block Diagram - POWER SUPPLY Section - .............. 19
5-4. Printed Wiring Board - MAIN Board (Suffix-11) - ...... 21
5-5. Printed Wiring Board - MAIN Board (Suffix-12) - ...... 23
5-6. Schematic Diagram - MAIN Board - ............................ 25
5-7. IC Pin Function Description ........................................... 30
6. EXPLODED VIEWS
7. ELECTRICAL PARTS LIST
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L 13942296513
Discrimination of MAIN board
- MAIN Board (Component Side) -
1-678-954-11
or
1-678-954-12
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This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing 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
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
SAFETY-RELATED COMPONENT WARNING!!
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COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 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.
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