SONY SA-VE702 Service Manual download (Page 3 of 14)

Languages: English
Manual type:Service Manual
Pages:14
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Page 3 of 14
3
3
SECTION
1
GENERAL
Location of Controls
SA-WMS7
– Front view –
– Rear view –
SECTION
2
DIAGRAMS
2-1. NOTE
FOR
PRINTED
WIRING
BOARDS
AND
SCHEMATIC
DIAGRAMS
Note on Printed Wiring Board:
X
: parts extracted from the component side.
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Indication of transistor.
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
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
and
1
/
4
W or less unless otherwise
specified.
2
: nonflammable resistor.
C
: panel designation.
U
: B+ Line.
V
: B– Line.
Voltages are dc with respect to ground under no-signal
conditions.
no mark
: AUDIO
Voltages are taken with a VOM (input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
Signal path.
F
: AUDIO
• Abbreviation
CND
: Canadian
Note:
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Circuit Boards Location
SA-WMS7
POWER SWITCH board
POWER board
LED board
CONTROL board
AUTO POWER board
MAIN board
LINE IN/OUT jack
SPEAKER IN/OUT
terminal
POWER SAVE
switch
Sample