8
7
6
5
4
3
2
1
J201
5P WIRE
OD
CLEAN
R27
33K
D3
1SS133T
1 2
D4
1SS133T
7
EQ3
EQ2
ZL1
FRET0
FRET1
FRET2
MIX 4
12
PD7
D D
P102
J102
3P PLUG
3P WIRE
J1
3
1
2
2
1
INPUT
3
INPUT PCB
J4
DC9V IN
C C
C1
1
223
2
3
A1
006P 9V
3
2
1
D7
1SS133T
1 2
SCHEMATIC PD7
BOTTOM PCB
3
R2
9.1K
R3
22K
R1
1K
3
TR1
2SC1815
GR
R4
510K
C2
10U 25V
C37
R59
100U
10K
25V
R60
10K
1 2
R5
10K
C3
1 2
1U(NP) 50V
GND
C38
100U
25V
TR2
2SC1815
GR
1 2
R13
10K
1 2
1U(NP) 50V
R81
510K
C44
Q5
2SK118O
12
D15
1SS133T
R65
510K
R6
510K
1/2VCC
R17
100K
BS7
(TO FUNCTION SW PCB 1/2 J101)
P101
3P PLUG
VCC
3
GND
2
R70
1
P201
R16
1K
5P PLUG
ZL1
C25
153
EQ2
EQ3
12345
CLEAN
OD
R14
220
C10
473
R15
510K
12
D1 1SS133T
1 2
D2 1SS133T
C8 100P
R18
10K
R19
33K
68P
C24
84
2
1
3
U3A
NJM4558D
VCC
C9
122
84
2
1
3
U1A
NJM4558D
C45
0.22U 50V
R67
220
P301
4P PLUG
123
R91
1K
C16
0.47U 63V
EQIN
CUT
OP-IN
C13
104
4
GND
C18
68P
6
5
U2B
NJM4558D
GND
1
2
3
4
5
1
2
3
J601
4P JACK
FUNCTION SW PCB 2/2
R83
R38
82K
22K
C54 471
1/2VCC
GND
JP4 JP
JP5 JP
JP6 JP
JP7 JP
JP8 JP
JP9 JP
JP10 JP
JP11 JP
JP12 JP
JP13 JP
JP14 JP
R84
33K
2
3
4
6
7
8
10
11
12
14
15
16
2
3
4
7
8
9
SW1
SW2
SW2-3-A
1
5
9
13
1
6
SW4-3
J301
4P JACK
C15
333
R40
3.9K
C46
0.22U 50V
EQIN
CUT
OP-IN
GND
R28
3.9K
C53
273 R82
1 2
C43
1U(NP) 50V
R77
2.4K
R30
510K
FRET0
FRET1
FRET2
2.4K
P601
4P PLUG
123
C31
153
4
MIX
6
7
5
U3B
NJM4558D
R61
10K
R52
1.5K
BOOST
(HI)
R56
18K
C42
102
R90
22
SW3
FOOTSW
R88
56K
C49 1000PC48 1000P
R70
TR12
1 2
2SC1815
GR
R72
1M
1M
R80
100K
3
R74
100K
3
TR13
2SC1815
R62
10K
12
D9
LED
3
VCC
2
J101
3P WIRE
J401
2P WIRE
GND
1
D15
1
D13
2
D14
C47
473
1 2
GR
100K
R33
R32 1K
C21
473
3
TR5
2SC1815
C20
1U 50V
GR
R34
10K
C26
153
R41 1K
C27
152
3
TR8
R42
100K
2SC1815
R43
GR
10K
1 2
C32
1U 50V
C28
473
R44 1.3K
C29
562
3
TR9
2SC1815
1 2
100K
R45
GR
R46
10K
R50
220
C33
223
R68
22K
R69
C40
473
R71
1M
R87
330K
1M
R73
100K
3
TR11
1 2
R89
2SC1815
GR
C41
56K
102
C50
2000P
1 2
B B
FUNCTION SW PCB 1/2
EQ3
1 2
NJM4558D
R66
220
R47
10K
C30
100P
R49
1K
U2A
84
2
1
3
C52
103
12
D13
1SS133T
1/2VCC
1
P401
2P PLUG
(TO OUTPUT PCB J401)
5
3
6
J502
P502
6
A A
VR4
100K(B)
1
2
3
124 6
12345
1
2
VR2
20K(B)
3
(LO)(HI)(LEVEL)
6
1
VR3
20K(B)
3
4
5
2
1
3
J501
P501
12345
1
2
2
VR1
500K(A)
3
(DRIVE)
Q1
2SK118O
2
VCC
12
D14
1SS133T
Q6
2SK118O
OUTBUF
C35
1U(NP) 50V
R75
510K
1 2
R53
510K
3
OUTPUT PCB
12345
12345
TR10
2SC1815
GR
1 2
VCC
1/2VCC
GND
P701
5P PLUG
J701
5P SOCKET
R54
10K
R55
470
GND
C36
10U 25V
R58
100K
J2
3
2
1
OUT1
VR PCB
~ 8 ~
8
7
6
5
4
3
2
1