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Diagrams - Sony XM-4S Service Manual

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XM-4S
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
for schematic diagram:
Note:
• 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 Ω and
1
/
specified.
%
: indicates tolerance.
Note:
Note:
Les composants identifiés par
The components identi-
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti-
pour la sécurité.
Ne les remplacer que par une
cal for safety.
Replace only with part
piéce portant le numéro
spécifié.
number specified.
• A : B+ Line.
• B : B– Line.
• Total current is measured with no-signal condition.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from +12V and REM terminals.
• Voltage is dc with respect to ground under no-signal con-
dition.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
F
: AUDIO
for printed wiring boards:
Note:
• X : parts extracted from the component side.
: Pattern from the side which enables seeing.
(The other layer's patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
10
SECTION 3

DIAGRAMS

W or less unless otherwise
4
• Waveform
1
IC903 5
18 µ sec
1 V/DIV, 10 µ sec/DIV
3.1 Vp-p

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