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Sony SEQ-555ES Service Manual page 32

Program equalizer

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SEQ-555ES
SEQ-555ES
15
16
17
18
19
20
21
Icl03 CXx7978
STEP
VOLUME
26
27
28
29
30
ICl04
NJM4560D
LINE OUTPUT AMP
Qul2 2SC2878
LINE MUTE
ay
- CX770,Q102
DTAN4ES, QIOl DTCII4ES
CHING (LINE/PINK NOISE SELECT) ——————_—
Note: The components identified by shading and mark
A are critical for safety.
Replace only with
IClO3(1/2)
part number specified.
VDD
LVREF
T
WOO
as
1€102 (1/2)
CNJ351-3
i
ayia
ap
=|.
L
2m. i$
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~~ Note: Les composants identifiés par une trame et une
marque /\ sont critiques pour la sécurité. Ne les
remplacer que par une piéce portant le numéro
l
a
spécifié.
oy ON2
)
RIG4
C147
2
0.027
RUS
470k
VSS CS2.
GND TND
CS!
M/S
VDL
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"Hy
a
—XLINE
= MUTING
<0 }-—
=I
<STROBE)
———{ DATA)
@Se00000u8
{clock}
PTO SYSTEM conrRoL
QI03_ DTCII4ES
'WITCHING
(LINE /PINK NOISE SELECT)
DIO! 1SS202
LINE
MUTE
Qi
2SA1048
'
Qlo4 2gal048
ee
a
aL
Bie CVAllaES
ay
QI05
DTCI44ES
ng
+4
QU5
DTCII4ES
|
SWITCHING
t.046
LINE MUTE
(LINE/MIC SELECT)
Tiev
(3) Pi soz
(SL) a
"LCD ILLUMINATION }
all
(3) Pcs01
0301 2sp669
|
Q302
2SC2603
D301
S2vB20
VOL. REG.
RECT
6
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=
TO
T80!
@
POWER
TRANSFORMER
C119
-
'T0.0056
30
|
6V
TO SYSTEM
CONTROL
BOARD
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Foy frereurar Of
RI39
&
i
C138
RI29
my
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RI38
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:
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,
ie
:
:
oo
RDS .GEL2
——_rp302
CNJ35 1-4
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31

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