ICD-B10, ICD-B15 - Sony Audio Service Manual (repair manual). Page 2

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2
TABLE OF CONTENTS
1. GENERAL
Index to Parts and Controls ..................................................... 3
Getting Started ......................................................................... 3
Basic Operations ...................................................................... 4
2. DISASSEMBLY
2-1.   Sub Block Assy, Upper Lid ................................................. 8
2-2.   F-sw Board .......................................................................... 8
2-3.   Main Board ......................................................................... 9
3. DIAGRAMS
3-1.   IC Pin Descriptions ........................................................... 10
3-2.   Block Diagram .................................................................. 12
3-3.   Printed Wiring Board – Main Section – ............................ 14
3-4.   Schematic Diagram – Main Section (1/3) – ...................... 16
3-5.   Schematic Diagram – Main Section (2/3) – ...................... 17
3-6.   Schematic Diagram – Main Section (3/3) – ...................... 18
3-7.   Schematic Diagram – F-sw Section – ............................... 19
3-8.   Printed Wiring Board – F-sw Section – ............................ 20
3-9.   Printed Wiring Board – P-sw Section – ............................ 22
3-10. Schematic Diagram – P-sw Section – ............................... 23
4. EXPLODED VIEWS
4-1.   Case Section ...................................................................... 25
4-2.   Main Board Section .......................................................... 26
5. ELECTRICAL PARTS LIST
......................................... 27
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.
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.
ICD-B10/B15
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 COMPOSANTS QUE PAR DES PIÈCES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
 UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size.)
 : LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40°C higher than
ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350°C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscous (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
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