8
7
6
5
4
3
2
1
DS7
D D
P102
J102
3P WIRE
J1
3
2
1
INPUT
INPUT PCB
3P PLUG
1
1
2
2
3
3
SCHEMAITIC DS7
C1
223
A1
006P 9V
R2
9.1K
3
R1
1K
2SC1815
R4
510K
TR1
GR
1 2
R5
10K
3
1 2
C3
1U(NP)
50V
1 2
TR2
2SC1815
GR
R13
10K
R81
510K
1 2
C44
1U(NP) 50V
Q5
2SK118O
12
D15
1SS133T
R6
510K
R65
510K
JP7 JP
P101
3P PLUG
3
VCC
2
1
(TO FUNCTION SW PCB 1/2 J101)
GND
R70
BOTTOM PCB
R3
22K
C C
J3
DC9V IN
3
2
1
D7
1N4003
C2
10U 25V
C37
100U 25V
GND
R59
10K
1/2VCC
R60
C38
10K
47U 25V
GND
VCC
C15
104
R25
220
R26
10K
R91
300
C16
1U 50V
GND GND
R27
5.6K
C18
68P
6
5
U2B
NJM4558D
R29
7
1K
C39
4.7U 35V
1 2
D5
1SS133T
12
D6
1SS133T
C19
104
R61
10K
R31
1M
1/2VCC
R47
10K
C30
C28
222
C29
102
3
TR9
2SC1815
R50
220
2
VR2
20K
(B)
NJM4558D
1 2
GR
R46
10K
C33
223
123456 123456
12345
U2A
2
3
100P
6
84
1
GND
1/2VCC
GND
VCC
6
P301
6P PLUG
J301
6P WIRE
C32
1U 50V
R49
39K
1 2 3 4 5 6
12345
JP1 JP
1/2VCC
Q6
R75
510K
2SK118O
R53
510K
C35
12
12
D14
1SS133T
OUTPUT PCB
1U(NP) 50V
1 2
TR10
2SC1815
3
GR
1 2
R54
10K
C36
R55
10U 25V
470
R58
100K
3
2
1
J2
OUTPUT
1
3
12345
2
VR1
500K(A)
P501
P401
2P PLUG
1
2
1SS133T
D13
Q1
2SK118O
(DRIVE)
R48
2K
R63
18K
R51
5.6K
R57
15K
R52
6.2K
R56
15K
CUT
R68
22K
R71
1M
R87
330K
C48 1000P
R69
1M
TR11
1 2
2SC1815
GR
3
R73
100K
R89
C41
56K
102
C50
2000P
1 2
B B
C40
473
FUNCTION SW PCB 1/2
C49 1000P
C42
102
R90
22
SW3
FOOTSW
R80
100K
2SC1815
R74
100K
3
R88
56K
TR12
C22
0.47U 63V
R70
1M
R62
10K
3
TR13
2SC1815
12
D9
LED
VCC
3
GND
J101
3P WIRE
J401
2P WIRE
2
D15
1
D13
1
D14
2
C47
473
1 2
GR
1 2
GR
R72
1M
R35 1K R38 1K
3
2SC1815
R36
100K
C23
473
TR6
R37
10K
C24
333
C25
123
3
TR7
R39
2SC1815
R40
10K
1 2
2SC1815
GR
R42
100K
1 2
GR
100K
EQ1
JP8 JP
C26
123
R41 1K R44 470
C27
122
3
TR8
1 2
GR
R45
R43
180K
10K
(TO OUTPUT PCB J401)
J502 J501
A A
P502
(LEVEL)
6
1
1
2
VR4
50K
3
3
(B)
(TONE)
VR PCB
8
7
6
5
4
3
2
1