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Sony MDS-JB730 - Note for Printed Wiring Boards and Schematic Diagrams

Sony MDS-JB730
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– 35 –
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.
% : indicates tolerance.
¢
: internal component.
C : panel designation.
Note on Printed Wiring Board:
X : parts extracted from the component side.
Y : parts extracted from the conductor side.
®
: Through hole.
b : Pattern from the side which enables seeing.
U : B+ Line.
V : B– Line.
Voltages are taken with a VOM (Input impedance 10 M).
Voltage variations may be noted due to normal produc-
tion tolerances.
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Circled numbers refer to waveforms.
Signal path.
E : PLAY (ANALOG OUT)
p : PLAY (DIGITAL OUT)
j : REC (ANALOG IN)
l : REC (DIGITAL IN)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
B
These are omitted.
CE
Q
6-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
Note: The components identified by mark ! or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
Indication of transistor.
B
These are omitted.
CE
Q

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