General; Diagrams; Circuit Boards Location - Sony SA-WMSP1 Service Manual

• Location of controls
– Top view (a part) –
1 2
1 POWER button
2 POWER indicator
3 LEVEL dial
SECTION 1

GENERAL

3
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.

2-1. Circuit Boards Location

SWITCH board
3 3
SECTION 2

DIAGRAMS

For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti- pour la sécurité.
Ne les remplacer que par une
cal for safety.
Replace only with part piéce portant le numéro
number specified. spécifié.
• : B+ Line.
• : B– Line.
• Voltages are dc with respect to ground under no-signal con-
ditions.
no mark : Power on
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10MΩ).
Voltage variations may be noted due to normal preduction
tolerances.
• Signal path.
K : AUDIO
• Abbreviation
CND : Canadian model
SP : Singapore model
MX : Mexican model
AUS : Australia model
POWER IC board
LED board
CONTROL board
SA-WMSP1
MAIN board