3
2
1
8
4
U1A
NJM4580L
R49
820K
R3
68K
R11 47K
1
2
C14
10u/16
C3
0
392
C34
122
5
6
7
U1B
NJM4580L
R50
820K
R4
68K
R12 47K
1
2
C15
10u/16
C3
1
392
C35
122
2
1
3
SW1A LBC22B‑17銀
6
5
4
SW1B LBC22B‑17銀
R53 470
R54 470
R57 1K
R58 1K
3
2
1
7
VR1A 10KA*2
6
5
4
8
VR1B 10KA*2
1
2
C16
10u/16
1
2
C17
10u/16
R59
22K
R60
22K
3
2
1
8
4
U14A
NJM082L
5
6
7
U14B
NJM082L
R61
56K
R62
56K
1/2VP1
1/2VP1
C38
473
C54
272
C55
272
C39
473
C70
123
C71
123
C40 473
C72 123
C56 272
C41 473
C73 123
C57 272
R110 12K
R122 15K
R143 22K
R149 100K
R103
1.5K
R111
12K
R112
12K
R123
15K
R155
120K
R156
120K
3
2
1
8
4
U2A
NJM082L
5
6
7
U2B
NJM082L
5
6
7
U3B
NJM082L
3
2
1
8
4
U3A
NJM082L
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
3
2
1
7
VR6A
20KC*2
3
2
1
7
VR7A 20KC*2
3
2
1
7
VR8A 20KC*2
1/2VP1
1/2VP1
1/2VP1
R124
15K
R125
15K
R126
15K
3
2
1
8
4
U15A
NJM082L
1/2VP1
R63
22K
C42
473
C58
272
C59
272
C43
473
C74
123
C75
123
C44 473
C76 123
C60 272
C45 473
C77 123
C61 272
R104 1.5K
R113 12K
R14 47K
R127 15K
R144 22K
R150 100K
R105
1.5K
R114
12K
R115
12K
R128
15K
R157
120K
R158
120K
3
2
1
8
4
U4A
NJM082L
5
6
7
U4B
NJM082L
5
6
7
U5B
NJM082L
3
2
1
8
4
U5A
NJM082L
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
1/2VP1
6
5
4
8
VR6B 20KC*2
6
5
4
8
VR7B 20KC*2
6
5
4
8
VR8B 20KC*2
1/2VP1
1/2VP1
1/2VP1
R129
15K
R130
15K
R131
15K
5
6
7
U15B
NJM082L
1/2VP1
R64
22K
1
2
C18
10u/16
1
2
C19
10u/16
3
2
1
7
VR2A 20KA*2
6
5
4
8
VR2B 20KA*2
R15
47K
R16
47K
3
2
1
8
4
U6A
NJM4580L
R51
820K
R7
68K
R19 47K
1
2
C20
10u/16
C3
2
392
C36
122
5
6
7
U6B
NJM4580L
R52
820K
R8
68K
R20 47K
1
2
C21
10u/16
C3
3
392
C37
122
2
1
3
SW2A LBC22B‑17銀
6
5
4
SW2B LBC22B‑17銀
R55 470
R56 470
R65 1K
R66 1K
3
2
1
7
VR3A 10KA*2
6
5
4
8
VR3B 10KA*2
1
2
C22
10u/16
1
2
C23
10u/16
R67
22K
R68
22K
3
2
1
8
4
U16A
NJM082L
5
6
7
U16B
NJM082L
R69
56K
R70
56K
1/2VP2
1/2VP2
3
2
1
8
4
U17A
NJM082L
R71
22K
5
6
7
U17B
NJM082L
R72
22K
1
2
C24
10u/16
1
2
C25
10u/16
3
2
1
7
VR4A 20KA*2
6
5
4
8
VR4B 20KA*2
R21
47K
R22
47K
R23
27K
R24
27K
R25
27K
R26
27K
1
2
C86
10u/16
R73
220K
3
2
1
8
4
U18A
NJM2068L
1
2
C87
10u/16
1
2
C88
10u/16
R74
220K
5
6
7
U18B
NJM2068L
1
2
C89
10u/16
3
2
1
7
VR14A
10KAC*2
6
5
4
8
VR14B
10KAC*2
3
2
1
7
VR15A 20KA*2
6
5
4
8
VR15B 20KA*2
1
2
C90
10u/16
1
2
C91
10u/16
1
1
3
2
1
8
4
U19A
NJM2068L
5
6
7
U19B
NJM206
8L
R75
10K
R76
10K
R77
100K
R78
100K
3
2
1
7
VR5A
10KA*2
6
5
4
8
VR5B
10KA*2
1
2
C96
1u/50
1
2
C97
1u/50
1
2
C98
22u/10
1
2
C108
220u/1
0
1
2
C109
220u/1
0
3
2
1
8
4
U7A
NJM4556L
5
6
7
U7B
NJM4556L
R79 1K
R80 1K
R81
330K
R82
R151 100K
R152 100K
R27
47K
R28
47K
R29
47K
R30
47K
3
2
1
7
VR13A
50KB*2
6
5
4
8
VR13B
50KB*2
R31
22K
R32
22K
R33
22K
R34
22K
R167
47
R168
47
PHONE PGM1 Lch
PHONE PGM1 Rch
PHONE PGM2 Lch
PHONE PGM2 Rch
PHONE PGM1 Lch
PHONE PGM1 Rch
PHONE PGM2 Lch
PHONE PGM2 Rch
R171 470K
R172 4.7K
R170
100K
1
2
C26
3
2
1
8
4
U8A
NJM2068L
5
6
7
U8B
NJM2068L
1
2
C100
10u/16
1
2
C101
10u/16
3
2
1
4
5
VR16 10KA
1
2
C102
10u/16
R83 470K
R84 18K
R85
56K
R86
27K
R87
27K
1
2
C103
10u/16
R88 15K
R89 10K
R90 47
R91 10K
R92 4.7K
2
1
LED1 SLR
2
1
LED2 SLR
2
1
LED3 SLR
2
1
LED4 SLR
2
1
LED5 SLR
1
2
C104
10u/16
R93 15K
2
1
LED6 SLR
2
1
LED7 SLR
2
1
LED8 SLR
2
1
LED9 SLR
2
1
LED10 SLR
R94
100K
R95
100K
R96
100K
R97
100K
1
2
3
4
5
6
7
8
9
IC1 BA6137
1
2
3
4
5
6
7
8
9
IC2 BA6137
1
2
C105 100u/16
2
1
LED11 SLR
1
2
C27
10u/16
1
2
C28
10u/16
R
173
1
0K
3
2
1
4
NJM4556L
5
6
7
U9B NJM4556L
1
2
C29
10u/16
1
2
C106
10u/16
1
2
C107
10u/16
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
MASTER
MASTER
BALANCE
LEVEL
EQ HI
EQ HI
EQ MID
EQ MID
EQ LOW
EQ LOW
C46
473
C62
272
C63
272
C47
473
C78
123
C79
123
C48 473
C80 123
C64 272
C49 473
C81 123
C65 272
R106 1.5K
R116 12K
R35 47K
R133 15K
R147 22K
R153 100K
R107
1.5K
R117
12K
R118
12K
R134
15K
R159
120K
R160
120K
3
2
1
8
4
U10A
NJM082L
5
6
7
U10B
NJM082L
5
6
7
U11B
NJM082L
3
2
1
8
4
U11A
NJM082L
3
2
1
7
VR9A
20KC*2
3
2
1
7
VR10A 20KC*2
3
2
1
7
VR11A 20KC*2
R135
15K
R136
15K
R137
15K
C50
473
C66
272
C67
272
C51
473
C82
123
C83
123
C52 473
C84 123
C68 272
C53 473
C85 123
C69 272
R108 1.5K
R119 12K
R36 47K
R138 15K
R148 22K
R154 100K
R109
1.5K
R120
12K
R121
12K
R139
15K
R161
120K
R162
120K
3
2
1
8
4
U12A
NJM082L
5
6
7
U12B
NJM082L
5
6
7
U13B
NJM082L
3
2
1
8
4
U13A
NJM082L
6
5
4
8
VR9B 20KC*2
6
5
4
8
VR10B 20KC*2
6
5
4
8
VR11B 20KC*2
R140
15K
R141
15K
R142
15K
+Vcc
+Vcc
+Vcc
+Vcc
EQ HI
EQ HI
EQ MID
EQ MID
EQ LOW
EQ LOW
TRIM
TRIM
INPUT SW
INPUT SW
MIC
LEVEL
MONITOR
LEVEL
MONITOR
CF
POWER LED
INPUT
INPUT
C111
22P
C112
22P
C113
22P
C114
22P
C115
68P
C116
68P
C117
68P
C118
68P
C119
10P
C120
22P
C121 10P
C123
5P
C124
5P
C125
10P
C126
10P
INPUT
LEVEL
INPUT
LEVEL
+Vcc
1
2
3
4
5
H5C
5P CON H
1
2
3
4
5
6
7
8
CN1J
8P CON S
1
2
3
4
5
6
7
8
H1C
8P CON H
1
2
3
CN2J
3P CON S
1
2
3
H2C
3P CON H
1
2
C127
100u/10
R175
10k
↑
↑
PHONO
PHONO
↓
↓
LINE
LINE
↑
↓
㊧
㊧
↑
↑
↓
↓
㊧
㊧
㊨
㊨
(A curve)
(C curve)
R176 4.7K
R177 4.7K
R178 4.7K
R179 4.7K
R180 4.7K
R181 4.7K
R182 4.7K
R183 4.7K
R184 4.7K
R185 4.7K
1
2
CN6J
2P CON S
1
2
H6C
2P CON H
1
2
C129
47u/16
1
2
C135
100u/10
10k
R100 100K
R101 100K
1
2
H7C
2P CON H
1
2
C132
100u/25
1
2
C130
10u/16
R
191
1
0K
1
2
C131
10u/16
1
2
C136
470u/6.3
R195
100
1
2
C137
470u/6.3
R196
100
1
2
3
CN4J
3P CON S
1
2
3
H4C
3P CON H
+Vcc
1/2VP1
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
1/2VP2
R188 470K
R189 470K
+Vcc
+Vcc
1
2
C134
100u/16
R186
100K
+Vcc
R187
100K
GND2
1
H01C
GND POINT
JUMPER
JUMPER
WIRE A
WIRE A
(2P)
(2P)