Sony NW-A1000 Service Manual

2
NW-A1000
TABLE OF CONTENTS
1. SERVICING NOTES ............................................... 3
2. GENERAL ................................................................... 4
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 5
3-2. Cabinet (Lower)............................................................... 5
3-3. Lithium Ion Battery ......................................................... 6
3-4. Cabinet (Inner) ................................................................ 6
3-5. EL Block Sub Assy.......................................................... 7
3-6. MAIN Board.................................................................... 7
3-7. Position of Ferrite Core ................................................... 8
4. TEST MODE.............................................................. 9
5. DIAGRAMS
5-1. Block Diagram – MAIN Section (1/2) – ......................... 20
5-2. Block Diagram – MAIN Section (2/2) – ......................... 21
5-3. Block Diagram – POWER SUPPLY Section – ............... 22
5-4. Printed Wiring Board
– MAIN Board (Component Side) – ............................... 24
5-5. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................. 25
5-6. Schematic Diagram – MAIN Board (1/8) – .................... 26
5-7. Schematic Diagram – MAIN Board (2/8) – .................... 27
5-8. Schematic Diagram – MAIN Board (3/8) – .................... 28
5-9. Schematic Diagram – MAIN Board (4/8) – .................... 29
5-10. Schematic Diagram – MAIN Board (5/8) – .................... 30
5-11. Schematic Diagram – MAIN Board (6/8) – .................... 31
5-12. Schematic Diagram – MAIN Board (7/8) – .................... 32
5-13. Schematic Diagram – MAIN Board (8/8) – .................... 33
6. EXPLODED VIEW
6-1. Cabinet Section................................................................ 48
6-2. MAIN Section ................................................................. 49
7. ELECTRICAL PARTS LIST................................ 50
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.
Flexible Circuit Board Repairing
• 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.
SAFETY-RELATED COMPONENT WARNING!!
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 PUBLISHED BY SONY.
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.

Sony NW-A1000 Specifications

General

Brand	Sony
Model	NW-A1000
Category	MP3 Player
Language	English