HT-DDW830, HT-SL7, HT-SL7A, SA-VE11P, SA-WMSP1 - Sony Audio Service Manual (repair manual). Page 3

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SA-WMSP1
SECTION 1
GENERAL
• Location of controls
  – Top view (a part) –
SECTION 2
DIAGRAMS
1 POWER button
2 POWER indicator
3 LEVEL dial
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
/
4
 
W or less unless otherwise
specified.
•
C
: panel designation.
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.
•
: 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 10M
Ω
).
Voltage variations may be noted due to normal preduction
tolerances.
• Signal path.
K
: AUDIO
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
2-1. Circuit Boards Location

Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Abbreviation
CND : Canadian model
SP
: Singapore model
MX
: Mexican model
AUS : Australia model
MAIN board
POWER IC board
LED board
SWITCH board
CONTROL board
1
2
3

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