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Diagrams; Ic Block Diagram - Sony XM-D400P5 Service Manual

Monaural power amplifier
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Q Q
3 7 6 3 1 5 1 5 0
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. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
1
• All resistors are in Ω and
/
W or less unless otherwise
4
specified.
%
: indicates tolerance.
• 2 : nonflammable resistor.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
Ne les remplacer que par une
cal for safety.
Replace only with part
piéce por tant le numéro
number specified.
spécifié.
• 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
condition.
• 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.
T E
L
1 3 9 4 2 2 9 6 5 1 3
• 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.
w w w
.
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SECTION 3

DIAGRAMS

3-1. IC BLOCK DIAGRAM

IC6 TL494CN
16
15
14
13
12
11
ERROR
REF 5V
0.1V
OSC
ERROR
1
2
3
4
5
6
x
a o
u 1 6 3
y
i
http://www.xiaoyu163.com
8
10
9
7 8
Q
Q
3
7
6
3
1
.
9
9
2
4
9
9
8
5
1
5
0
8
9
2
4
9
m
c o
XM-D400P5
2
9
9
8
2
9
9

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