Sony SA-WMS556 Manuale di servizio - Pagina 3
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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
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Schematic Diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and
1
specified.
•
f
: internal component.
• C : panel designation.
Note: The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark: Power on
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F
: AUDIO
• Circuit Boards Location
POWER SWITCH board
SECTION 1
DIAGRAMS
/
W or less unless otherwise
4
MAIN board
LED board
For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
CONTROL board
POWER AMP board
POWER SUPPLY board
SA-WMS356/WMS556
3