Sony SA-WMS556 Manual de servicio - Página 2
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- 1. Table of Contents
- 1. 1 Diagrams
- 1. Printed Wiring Board - MAIN Section
- 1. Schematic Diagram - MAIN Section
- 1. Printed Wiring Board - CONTROL Section
- 1. Schematic Diagram - CONTROL Section
- 2. 2 Exploded Views
- 2. Front Panel Section
- 2. Rear Cover Section
- 2. Bottom Panel Section
- 3. 3 Electrical Parts List
SA-WMS356/WMS556
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 viscou-s (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.
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.
2
TABLE OF CONTENTS
1.
1-1. Printed Wiring Board - MAIN Section - ........................ 5
1-2. Schematic Diagram - MAIN Section - ........................... 6
1-3. Printed Wiring Board - CONTROL Section - ................ 7
1-4. Schematic Diagram - CONTROL Section - ................... 8
2.
2-1. Front Panel Section ......................................................... 9
2-2. Rear Cover Section .......................................................... 10
2-3. Bottom Panel Section ...................................................... 11
3.
.................................. 12