8
7
6
5
4
3
2
1
FZ7
D D
P102
J102
3P PLUG
3P WIRE
J1
3
2
1
INPUT
INPUT PCB
C C
J3
DC9V IN
1
1
2
2
3
3
C1
223
A1
006P 9V
3
2
1
D7
1N4003
SCHEMATIC FZ7
1 2
1U(NP) 50V
1 2
R5
10K
C38
47U 25V
R2
9.1K
R3
22K
R1
1K
3
TR1
2SC1815
GR
R4
510K
C2
10U 25V
C37
100U
R59
25V
10K
R60
10K
1
BIASS
TR2
2SC1815
3
GR
C44
1 2
1 2
1U(NP) 50V
R13
10K
C3
Q5
JP
GND
R65
510K
R6
510K
1/2VCC
VCC
R15
10K
C8 100P
2
3
C9
0.47U
63V
R17
C10
682
3
TR3
2SC1815
GR
R18
180K
84
U1A
NJM4558D
2.2K
1 2
1
R19
10K
R14
10K
JP6 JP
C11
R20
333
33K
GND
C12
47P
R22
270K
VCC
R21
560K
P101
3P PLUG
3
3
VCC
2
1
(TO FUNCTION SW PCB 1/2 J101)
GND
R70
BOTTOM PCB
1 2
TR4
2SC1815
GR
R24
390
R23
47K
C14
104
R25
220 R67
510K
C51
10U 25V
R91
680
C16
2.2U 50V
1/2VCC
R27
1K
C18
68P
6
5
U2B
NJM4558D
7
FZ7
(TO MAIN PCB J302)
C39
R29
4.7U 35V
1K
2
VBB
BIASS1
3
GND
4
5
BIASS2
J203
5P WIRE
FUNCTION SW PCB 2/2
12
D5
D6
1SS133T
1SS133T
1 2
JP5JPJP4
BIASS
C19 104
JP
SW1
2
1
3
4
7
6
8
9
SW-L
P201
5P PLUG
12345
R61
10K
R31
1M
GND GND
R47 10K
5.1K
R48
6.8K
R51
6.8K
R52
C30
100P
(LO) (MID) (HI)
R44 470
3
2
VR2
20K
(B)
NJM4558D
C28
272
C29
102
TR9
GR
R46
10K
R50
220
C33
183
12345
U2A
84
2
1
3
C32
1U 50V
R49
1 2
1K
1/2VCC
123456123456
J501
P501
6
12345
1
2
VR1
50K(A)
3
R63
15K
R57
13K
R56
13K
CUT
C26
273
R41 1K
C27
102
3
TR8
GR
R43
10K
JP8 JP
1 2
R45
180K
EQ1
2SC1815
R68
B B
22K
C48 1000P C49 1000P
R69
1M
R73 100K R80 100K
3
C40
473
R71
1M
R87
330K
TR11
1 2
2SC1815
GR
R89
C41
56K
102
C50
R90
2000P
22
SW3
FOOTSW
1 2
FUNCTION SW PCB 1/2
R88
56K
R70
1M
3
TR12
2SC1815
R74
100K
1 2
GR
R72
1M
C42
102
R62
10K
12
D9
LED
3 C47
TR13
2SC1815
1 2
GR
VCC
3
GND
2
D15
473
J101
3P WIRE
J401
2P WIRE
1
D13
1
D14
2
100K
R36
R35 1K
3
2SC1815
C22
1U 50V
C23
183
TR6
GR
R37
10K
C24
683
R38 1K
C25
332
3
TR7
2SC1815
1 2
R39
100K
2SC1815
1 2
GR
R42
R40
100K
10K
(TO OUTPUT PCB J401)
R9
A A
+9V
R10
10K
R11
10K
6
5
R12
JP
10K
U1B
NJM4558D
7
GND
J502
P502
6
1
1
2
VR4
100K
3
3
(A)
(LEVEL) (DRIVE)
(TONE)
VCC
1SS133T
P401
2P PLUG
1
2
D13
Q1
2SK118O
12
JP1 JP
Q6
2SK118O
12
D14
1SS133T
R75
510K
C35
1U(NP) 50V
1 2
VCC
1 2 3 4 5 6
12345
R53
510K
3
1 2
OUTPUT PCB
1/2VCC
TR10
2SC1815
GR
R55
470
R54
10K
GND
6
R82
15K
R83
2.7K
R84
3.6K
P301
6P PLUG
J301
6P WIRE
BIASS1
BIASS2
C36
10U 25V
GND
R58
100K
3
2
1
J2
OUTPUT
VR PCB
8
7
6
5
4
3
2
1