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8
7
6
5
4
3
2
1
TS7
D D
SCHEMAITIC TS7
1
2
3
J102
3P WIRE
P102
3P PLUG
1
2
3
203
A1
006P 9V
R1
1K
J1
3 C1
2
1
INPUT
INPUT PCB
R66
510K
3
TR1
2SC1815
P101
3P PLUG
VCC
3
GND
2
TR2
3
2SC1815
GR
C44
1 2
1 2
R13
10K
1U(NP) 50V
R65
510K
1 2
GR
R5
10K
C45
1 2
1
(TO FUNCTION SW PCB 1/2 J101)
BOTTOM PCB
1U(NP) 50V
R27
51K
D3
GND
3
C C
DC9V IN
J3
2
1
D7
1N4003 R59
C37
100U
25V
10K
VCC
R28
1K
C16
0.47U 63V
1/2VCC
R26
R60
C38
47U 25V
10K
10K
GND GND
MA150
D4
MA150
1 2
C18
51P
6
5
U2B
NJM4558D
12
R30
1K
7
1/2VCC
(TO MAIN PCB J302)
TS7
JP3 JP
J201
5P WIRE
GND
1
ZL2
2
EQ2
3
OP-IN
4
ZL1
5
FUNCTION SW PCB 2/2
R31
1.8K
R61
8.2K
SW2
1
2
3
4
5
6
SW-R
P201
5P PLUG
12345
GND
C34
473
R85
4.7K
C31
R47
1K
0.22U 50V
EQ2
VCC
R58
100K
GND
C43
0.47U 63V
3
2
1
J2
OUTPUT
U2A
NJM4558D
84
2
1
3
B B
1
3
C32
1U 50V
R49
1K
123456123456
12345
P501
2
VR1
500K(A)
1SS133T
1
2
P401
2P PLUG
JP1 JP
Q1
2SK118O
12
D13
OUTPUT PCB
Q6
2SK118O
12
D14
1SS133T
R75
510K
C35
104
1/2VCC
VCC
1 2 3 4 5 6
12345
R53
510K
TR10
3
2SC1815
GR
1 2
R54
10K
GND
P301
6P PLUG
J301
6P WIRE
6
R55
470
C36
10U 25V
R50
220
C33
0.22U 50V
C49 1000P
R80 100K
C42
102
R90
22
SW3
FOOTSW
R74
100K
R88
56K
R70
1M
3
TR13
2SC1815
GR
R62
10K
12
D9
LED
VCC
3
GND
J101
3P WIRE
J401
2P WIRE
2
D15
1
D13
1
D14
2
C47
473
1 2
J502 J501
1
VR2
20K
3
(TONE)
12345
6
2
6
P502
1
2
VR4
100K
3
(LEVEL) (DRIVE)
VR PCB
3
TR12
2SC1815
1 2
GR
R72
1M
R68
22K
C48 1000P
R69
1M
R73 100K
3
C40
473 R71
A A
1M
R87
330K
TR11
1 2
2SC1815
GR
R89
C41
56K
102
C50
2200P
1 2
FUNCTION SW PCB 1/2
(TO OUTPUT PCB J401)
8
7
6
5
4
3
2
1