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1
2
INPUT
J1
HTJ-064-13H
2
4
3
A
1
W902
+9V
006P
BATTERY
J3
D2
HTJ-020-05A
2
3
1N4002
C4
DC IN
1
R6
100K
220/16
C3
B
0.01
J2
HTJ-064-13H
2
4
3
INPUT EQ
1
C
R11
560
C11
C12
EQOUT1
1/50
0.082
R12
47K
VREF
R13
D
560
C13
C14
EQOUT2
0.47/50
0.039
R14
47K
VREF
R15
560
C15
C16
EQOUT3
0.22/50
0.018
E
R16
47K
VREF
R17
560
C17
C18
EQOUT4
0.1/50
0.01
R18
47K
VREF
R19
560
F
C19
C20
EQOUT5
0.047
4700P
R20
47K
VREF
R21
560
C21
C22
EQOUT6
0.027
2200P
R22
47K
G
VREF
H
4
1
2
3
4
6
7
C1
R2
5
5
IC1B
3
7
R1
10/50
4.7K
2
6
R3
4
NJM4558L
1M
1M
+9V
1
8
VREF
C2
R4
RL1
RY-9WK
1K
10/50
D1
R5
1SS133
47K
C10
0.1
+9V
+9V
R7
100K
3
IC1A
2
NJM4558L
C5
R8
10/50
100K
+9V
+9V
R23
560
C23
C24
3
IC11A
EQIN1
3
IC14A
1
1
1/50
0.082
2
2
NJM4558L
NJM4558L
R24
47K
VREF
R25
560
C25
C26
5
IC11B
EQIN2
5
IC14B
7
7
0.47/50
0.039
6
6
NJM4558L
NJM4558L
R26
47K
VREF
+9V
+9V
R27
560
C27
C28
3
IC12A
EQIN3
3
IC15A
1
1
0.22/50
0.018
2
2
NJM4558L
NJM4558L
R28
47K
VREF
R29
560
C29
C30
5
IC12B
EQIN4
5
IC15B
7
7
0.1/50
0.01
6
6
NJM4558L
NJM4558L
R30
47K
VREF
+9V
+9V
R31
560
C31
C32
3
IC13A
EQIN5
3
IC16A
1
1
0.047
4700P
2
2
NJM4558L
NJM4558L
R32
47K
VREF
R33
560
C33
C34
5
IC13B
EQIN6
5
IC16B
7
7
0.027
2200P
6
6
NJM4558L
NJM4558L
R34
47K
VREF
3
4
5
6
7
+9V
+9V.
P3
W103
6
6
5
5
R101
3
4
4
3
3
4.7K
2
2
2
1
1
R102
47K
S6B-PH-K
VREF
VREF.
GND.
VREF.
+9V
C7
10/50
1
C6
10/50
VREF
R114
10K
+9V.
R141
2.7K
D141
L-934SRD-G
D142
HZS6A2
P101
W901
S3B-PH-K
1
1
2
2
3
3
C141
GND.
0.1
GND.
SW901
SB-281
P2
W102
EQIN1
EQIN1.
12
12
11
11
EQIN2
EQIN2.
10
10
9
9
EQIN3
EQIN3.
8
8
7
7
EQIN4
EQIN4.
6
6
5
5
EQIN5
EQIN5.
4
4
3
3
EQIN6
EQIN6.
2
2
1
1
S12B-PH-K
GND.
P1
W101
EQOUT1
EQOUT1.
12
12
11
11
EQOUT2
EQOUT2.
10
10
9
9
EQOUT3
EQOUT3.
8
8
7
7
EQOUT4
EQOUT4.
6
6
5
5
EQOUT5
EQOUT5.
4
4
3
3
EQOUT6
EQOUT6.
2
2
1
1
S12B-PH-K
GND.
L8016A501A
PC MAIN
NOTE : UNLESS OTHERWISE SPECIFIED
ALL RESISTORS IN OHMS 1/6W
ALL CAPACITORS IN uF. P=pF
ALL ERECTROLYTIC CAPACITORS IN uF/WV
5
6
7
8
9
+9V.
IC101A
1
5
IC101B
C103
C104
R105
R106
7
NJM4558L
6
1.5K
10K
10/16
10/16
NJM4558L
R107
C108
D101
D102
C109
GND.
1SS133
1SS133
0.015
100K
470P
VREF.
R103
R113
R109
1.8K
4.7K
5
4
4.7K
GND.
GND.
C101
1
3
3300P
VR102
100K(A)
R999
GND.
GND.
R104
GAIN
1K
1K
R999
C102
10/16
GND.
GND.
C107
R111
IC102B
5
2
7
10/16
10K
6
R112
NJM4558L
100K
VREF.
GND.
+9V.
+9V.
10K
C110
3.3/25
EQIN1.
10K
TR102
DTA114ES
1
3
TR101
VR111
DTC114TS
20K
10K
EQIN2.
GND.
1
3
VR112
20K
EQIN3.
1
3
VR113
20K
EQIN4.
1
3
VR114
20K
EQIN5.
1
3
VR115
20K
EQIN6.
1
3
VR116
20K
INPUT EQ
REVISION
1st EDITION
APPROVED
CHECKED
APPROVED
DESIGNED
2000/12/08
2000/12/08
H.TSUZUKI
T.HIRANO
8
File No.
10
11
A
+9V.
R108
3
IC102A
1
4.7K
2
NJM4558L
GND.
R110
B
4.7K
C105
1500P
C106
10/16
VR101
100K(B)
LEVEL
GND.
C
EQOUT1.
1
3
VR121
20K
EQOUT2.
D
1
3
VR122
20K
EQOUT3.
1
3
VR123
20K
EQOUT4.
E
1
3
VR124
20K
EQOUT5.
1
3
VR125
20K
EQOUT6.
1
3
F
VR126
20K
OUTPUT EQ
G
L8016A501B
PC OPE.
PC(#)D2G
D2G
PC MAIN, PC OPE.
H
SCHEMATIC DIAGRAM
SCHEMATIC DIAGRAM
L8016001
A2
AKAI professional M. I. Corp.
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