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3
SA-WMSP501
SECTION 2
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
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.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
• 2
: nonflammable resistor.
• 5
: fusible 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 production toler-
ances.
ances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
Voltage variations may be noted due to normal production toler-
ances.
•
Signal path.
F
: AUDIO
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
•
: 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: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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