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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.
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.
TE
L 13942296513
Confirming the Operation
Please confirm the car audio unit works even if REM output is not
connected when you connect this set with the car audio unit by the
HIGH LEVEL INPUT.
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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.
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REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
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TABLE OF CONTENTS
1. GENERAL
Location and Function of Controls .......................................... 3
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. MAIN Board Section .......................................................... 7
2-2. FILTER Board ..................................................................... 8
2-3. MAIN Board ....................................................................... 8
3. DIAGRAMS
3-1. Block Diagram .................................................................... 9
3-2. Circuit Boards Location .................................................... 10
3-3. Printed Wiring Boards –Main Section (1/2)– .................... 11
3-4. Printed Wiring Boards –Main Section (2/2)– .................... 12
3-5. Schematic Diagram –Filter, Main Section (1/3)– ............. 13
3-6. Schematic Diagram –Main Section (2/3)– ........................ 14
3-7. Schematic Diagram –Main Section (3/3)– ........................ 15
3-8. Printed Wiring Boards –Filter Section– ............................ 16
4. EXPLODED VIEWS
4-1. Heat Sink (Main) Section .................................................. 18
4-2. MAIN Board Section ........................................................ 19
5. ELECTRICAL PARTS LIST
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ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
co
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.
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