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Sony STR-V 25 - Page 15

Sony STR-V 25
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STR-V25
4-4.
SCHEMATIC
DIAGRAM
(Amp
Section)
STR-V25
STR-V25
@
See
page
10
for
the
notes.
A
a
B
C D
E
F
G.
H
SEE
PAGE
21
—_—
(C}
&
—-®
SEE
PAGE
19
|
oe
=
ee
Sa
ee
[JACK
BOARD]
=
[POWER
AMP
BOARD]
ao5,
655
2sScI914
Q609,
659
2ScI8
Twg02-|
CONSTANT
CURRENT
PROTECTION
[—
Oo—-¥
—ty
ON
S50I-I
kz
-—_—-
0601,
651
1
H
';
a
a
oe
a
$508
}
peepee
cous
|
INPUT
OFF
R409
C408
IC501
NJM4560D
sv]
IK
22P
1C401
MS214L
$508-|
STEREO=®MONO
FLAT
AMP
DIFFERENTIAL
ANE]
TH902-2
oe
EQUALIZER
hv
LL
o—
++
uv
$509
mea
$509-|
LOUDNESS
R510
750K
1av
i
4
4
“13V
|
OFF
=>
ON
4
;
$503-1
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0.0047
T902-3
[||
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2.2/sov
0
O8V
)
R604
;
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[au]
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BIAS
=
4
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r
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tas
:
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ke
|
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||
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(4)
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REC
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10K
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100K
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0
|
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ore
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ace
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——
R40!
\
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=
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|
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al
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(1/2)]
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|
|
DIFFERENTIAL:
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VOLUME]
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|
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7
|
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R459
1K
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|
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750K
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|
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g
ON
ssol-z
|
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play
|
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|
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|
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PHONO.
(1)
(7)
|
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OFF
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~0.054
=
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K4
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|
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;
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|
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;
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sites
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ase
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|
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1M
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=
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:
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|
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AUX
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:
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=
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;
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¢
>
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st
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COPY
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SEE
PAGE
21
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{
I
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Das
ee
ed
=
=,
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8.2K
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SP
Sf
Cl
truncrion
poaroy
Be
(Wo)
())
(Wo)
(Ww)
(W)
(W) (W) (W)
ome
7
0612,
613,
614
PLSO1
PL502
PL503
PL504
PL505
PL508
PL507
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posse
O66!
|
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HOK]
=
-2SC1815
3a
4
)
+
R63
22K
a
6.8K
0614
R707
5
-
Note:
The
identified
b
i
!
(ir
(ew)
:
:
components
identifi
y
shading
and
mark
_.
Note:
Les
composants
identifiés
par
une
trame
et
une
_
0653
08.
are
critical
for
safety.
Replace
only
with
:
marque
/\
sont
critiques
pour
la
sécurité.
Ne
les
©
Hite
B
-34V
part
number
specified.
.
-
remplacer
que
par
une
piéce
portant
le
numéro
gee
D653
151555
spécifié.
—22—
;
—23-—
SEE