Read Sony SA-WD100 Service Manual online
3
SA-WD100
SECTION 1
DIAGRAMS
Note on Printed Wiring Board:
•
•
X : parts extracted from the component side.
•
a
: Through hole.
•
b : Pattern from the side which enables seeing.
• Indication of transistor
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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
•
A
: B+ Line
•
B
: B– Line
• Voltages are dc with respect to ground under no-signal
conditions.
• 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 model
SP
SP
: Singapore model
CH
: Chinese model
• Circuit Boards Location
MAIN POWER board
INPUT
SELECT board
SELECT board
INPUT board
CONTROL board
POWER SWITCH board
AUTO POWER board
LED board
Note:
Les composants identifiés
par une marque
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par
une piéce portant le numéro
spécifié.
Ne les remplacer que par
une piéce portant le numéro
spécifié.
Note:
The components identified
by mark
by mark
0
or dotted line
with mark
0
are critical for
safety.
Replace only with part
number specified.
Replace only with part
number specified.
Ver 1.1 2002.11
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