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SEQ-555ES
SEQ-555ES
5-4.
SCHEMATIC
DIAGRAM _ @
Refer to page 36 for notes.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
{PIN JACK BOARD(I/4)]
;
a
[ANALOG BOARDJ!C20! (172) Num45600
_ICIOI_NJM4560D
Q108 DTCI24ES
ICl02 CX770, 0102 DTAII4ES ,QIO! OTCII4ES
BV
PINK NOISE OSC
LINE AMP
—————————
SWITCHING (LINE/PINK NOISE SELECT)
IC351 CX7977
——L-cH——
FUNCTION SWITCH
1C353 CX770
SWITCHING
LINE OUTPUT((O)
CNU351-1
LINE TN Ce
(2) LINE INPUT
CNU353-1
NJ 362-1
(aux
REC ouTPuT 1@)
REC OUT |
INPUT
L
ov
CNJ 354-1
oi
REC OUTPUT 2Q)
REC OUT2
CNJ352—3
AUX 2 INPUT
:
AUX 2
p.03V
ie
as
{
oy
4.6V
(7) TAPE | INPUT
DATACE)
0,03V
STROBE (7)
oy,
oy P TAPE 2 INPUT
A
@3)
CNJ353-3 ©
TAPE!)
¥
CNJ354-3
TAPE 2
D201 HZI2A2
QI03_ DTCII4ES
SWITCHING
(LINE /PINK NOISE SELECT)
DTCI44ES
Qu7, 118 = DTCI44EsS
LINE MUTE
REC MUTE
Q106,107 2S¢2878
MUTING
1C105,106
NJM4560D
£Q AMP
IClO7 CX770
Qi04
2SAI048
SWITCHING
QI05
DTCI44ES
SWITCHING
(LINE/MIC
SELECT)
QUO DTAII4ES
QI09 DTCII4ES
SWITCHING
(LEVEL
SELECT)
REC
MUTE
J
[MIC JACK BOARD]|
AMP
TC2OII7
a
Mi
vy *
_.
a
5 _——
g
u ———
a
|
4301
tt
TT
[MIC]
(ClOB—H12
CX7976
£Q VOLUME
cool
0,01
FREQUENCY
CHARACTERISTIC
—— RCH
|
[PIN JACK BOARD(I/4))
IC113—122
fm
cn
eS
a
a
a
a
ee
NJM4558D
RESONANCE CIRCUIT
a
eS ha a
ar
a
I
a
hes a
es
Re
as an
eT Oe
rca
a es
CNJ353—4
SAME
AS L-CH
:
(TAPE 1]
|
——R-CH
CNuU354—-4
SAME AS L-CH
TAPE 2
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