Sony SA-WFT7 Portable Speaker User Manual


 
10
SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
Note on Schematic Diagram:
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 and
1
/
4
W or less unless otherwise
specified.
2 : nonflammable resistor.
C : panel designation.
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.
A : B+ Line.
B : B– Line.
•Voltage is dc with respect to ground under no-signal
(detuned) condition.
•Voltages are taken with a VOM (Input impedance 10 M).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : POWER ON
: Impossible to measure
Signal path.
F : LINE
Abbreviation
CND : Canadian model.
Note on Printed Wiring Boards:
X : parts extracted from the component side.
: Pattern from the side which enables seeing.
Abbreviation
CND : Canadian model.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
BCE
LED boar
d
SW board
AMP board
FILTER board
POWER board
ACIN board
INPUT board