Read Sony SA-VE702 / SA-VE705 / SA-WMS7 / SS-MS7 Service Manual online
SA-VE702/VE705/WMS7/SS-MS7
3
3
SECTION 1
GENERAL
• Location of Controls
SA-WMS7
– Front view –
– 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
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
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
no mark : AUDIO
• Voltages are taken with a VOM (input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
• Abbreviation
CND : Canadian
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
• Circuit Boards Location
SA-WMS7
SA-WMS7
POWER SWITCH board
POWER board
LED board
CONTROL board
AUTO POWER board
MAIN board
LINE IN/OUT jack
SPEAKER IN/OUT
terminal
terminal
POWER SAVE
switch
switch
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