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Sony TC-WR990 - Page 19

Sony TC-WR990
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TC-WR521/WR590
*
IC
BLOCK
DIAGRAM
a
eg
ade
|
Sane
2803402
fSuitcHing
77
=
:
ee
balla
i
H
:
fi
oO
'
SWITCHING
_
|
SWITCHING
{SWITCHING}
WR590
5
CXA1579P
i
oO
i
a
:
1
=
ea
=3
RSS
B
|
SoK/50k
SOK
SOx
fas
:
Septet
eexiesep
oe
R199
TTS
Janae
cig
é
TSA/TSA
"1H/2H
N41
48M
+
BBrioi|
76
or
L500
50
|
REC
LEVEL)
[BALANCE|
>t
a
el
=
-
eS
0
oft
°
0
a
af
te
teal
‘lt
|
[DISPLAY
BOARD
2/2]
a
L-CH
——r
—+
(©)
On)
Vv
J501
172)
ya
=
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Ke
€0)
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aS
4
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B02
|
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Jaz
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°
—Wr
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OUT.
:
|
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Tey)
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x
S
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(2/2)
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|
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+
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ft)
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fo)
203
ae
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ae
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:
=
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ha}
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wo
+
+
i
H
=
9202
+
wR5g90
L
28C3402
ene
an
ae
:
10504
(1/2)
RC4558P
:
i
ih
SWITCHING
9203
2S¢390!
METER
AMP
H
1
i
rigs
gist
:
28C2603
:
[HEADPHONE
|
48M
i
¥
BOARD]
]
925
;
25C2603
MUT
ING
'
Note
:
;
*
All
capacitors
are
in
uF
unless
otherwise
noted.
pF:
uu
F
ane
'
50WV
or
less
are
not
indicated
except
for
electrolytics
1CS05
(2/2)
>
i>
RC4558P
i
and
tantalums.
0810
i
‘,
.
METER’
AMP.
10E-2N
(ey
aT
U
;
*
All
resistors
are
in
Q
and
%W
or
less
unless
otherwise
ANALOG
SWITCH
MUTING
ORIVE
f'cs05
“ge
a75ee
sy
ae
Rais
specified.
:
y
FE
HONE
ANE:
*
%
:
indicates
tolerance.
Note:
Note:
The
components
identi-
|
Les
composants
identifiés
par
1C701
(1/2)
RC4S58P
70S
2SB1375
RECT
.
Re
VOLTAGE
CONSTANT
pr
ay
2701
fied
by
mark
Aor
dot-
|
une
marque
/\sont
critiques
13.
LOE
SEN
ec
SE7OL
ted
line
with
mark
pour
la
sécurité.
07
are
critical
for
safety.
Ne
les
remplacer
que
par
une
10E-2N
Replace
only
with
part
|
piéce
portant
le
numéro
spéci-
number
specified.
fié.
8703
10E-2N
v7]
Beeb
|
“|
]
:
adjustment
for
repair.
:
R710
vn
*
Voltage
and
waveforms
are
dc
with
respect
to
ground
1.5k,
0709
:
1)
TI]
aie
RVLOI
W708]
|
uzLélt
LP
C704
a
under
no-signal.
10k
vi
+
+
$=
He.)
4.7
|,
a
+
RII7
F
7797
*
cd
Ve
sve
=
Jc70
*
no
mark
:
STOP
<<
“=
10k
47
C706
Ee
9708
§
|
4.7
Tov
dat
zy
UZL-7L2
50V
®
»
REC
IREC_GAIN
:
ae
ave
a0?
+
Voltages
are
taken
with
a
VOM
(Input
impedance
10M
2).
x
r
Wi
Cares
4
g
2.2k
TEFOT)
switcrine
Sis
Wy
Voltage
variations
may
be
noted
due
to
normal
produc-
o
'
2
VOLTAGE
CONSTANT
*
tion
tolerances.
eee
a
Bats
guage
ieee
REC
GAIN]
2:
ae
RECT
I
.
[POWER
>>
:
PB
(DECK
B)
-7.4
714
4
ar
ri
re
nas
ian
SWITCH
BOARD]
[>
:
PB
(DECK
A)
=
+
:
705
oan
[
>:
REC
(DECK
8)
Q708
=!
:
:
:
i
25B1116A
VAS
eN
|
ae
L
;
UZL-7L2
REG
[|
*
CND:
Canadian
model
734
0Y
313.4
Dewy
F702
[|
0706
10E-2N
byt
|
.
G:
Germany
model
Q706
2502012
9701
i
VOLTAGE
CONSTANT
ON
OFF
[POWER
|
Se
al
T
T
=220.e5
26
97

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