- 16 -
CIRCUIT DIAGRAM
R3
100
C1
100uF/16V
1
3
2
VR1A
10K A
D1
1S3
C2
0.01uF FILM
2
3
1
CON1
LD-0202A-2.0
Q1
2SK303L
S
R
SS
TS
T
RS
J2
LJB0664-6
-
2
+
3
1
U1A
NJM072D
R2
10
R4
10K
R5
10K
R6
10K
R1
2M
S
R
SS
TS
T
RS
J1
LJB0664-6
C4
1uF FILM
C6
0.1uF FILM
C8A
0.047uF FILM
1
3
2
VR5A
100K A
2
1
3
SW1A
FK3L
5
4
6
SW1B
FK3L
8
7
9
SW1C
FK3L
R18
1K
1
3
2
VR3
10K B
1
2
3
4
5
6
7
8
CN2
B8B-ZR-3.4
1
2
CN4
CN02
C3
330uF/25V
C13
330uF/25V
C18
220uF/10V
C15A
1uF FILM
R15
2.4K
R16
10K
1
3
2
VR4A
500K B
R14
100K
R12
6.8K
R13
33K
C14
0.1uF
C17
0.1uF
R10A
4.7K
R9
51K
-
6
+
5
7
U1B
NJM072D
4
8
U1C
NJM072D
10
14
17
7
4
9
1 2
16
8
V1
6P1
R7
2M
C10
100PF B
1
3
2
VR2A
10K A
R11
150K
C11
1uF FILM
R17
75
+3.3V
+3.3V
+3.3V
GND
VCC
C12
100uF/16V
BIAS
GND
BIAS
GND
GND
GND
GND
VCC
GND
GND
R20
0
ZD1
GDZJ4.7C
[ GAIN ]
[ TONE ]
[ BIAS ]
[ VOLUME ]
[ TUBE GAIN ]
[ INPUT ]
[ OUTPUT ]
C20
0.1uF
L1
BL01RN1A2A2B
L2
BL01RN1A2A2B
C
W
C
W
C
W
C
W
C
W
7
8
VR1B
10K A
GND
7
8
VR2B
100K A
GND
7
8
VR4B
500K B
GND
7
8
VR5B
10K A
GND
C21
0.1uF
1 2 3 4 5 6
CN7A
B6B-PH-K-S
1 2 3 4 5 6 7 8
CN1
B8B-ZR-3.4
R26
220K
Q2
2SK303L
VCC
R27
2.4K
GND
C22
1uF FILM
R25
33K
C24
47uF/16V
GND
GND
GND
GND
IN
1
3
OUT 2
GND
U3
LP2950L-3.3V
C25
100PF B
[ 9V Battery ]
( 4.5V )
( 9V )
( 9V )
( 9V )
0.7V
1 2 3 4 5 6
CN7B
06P-SJN
LED1
333-2SURD-S530-A3
C8B
OPEN
R10B
OPEN
C5
82PF B
5
4
6
SW2B
MS-22D10
C15B
0.047uF FILM
2
1
3
SW2A
MS-22D10
C9A
0.1uF FILM
C9B
OPEN
GND
[ WIDE ]
[ WIDE ]
[ ON ]
[ OFF ]
[ ON ]
[ OFF ]
[ LOW ][ GAIN ]
[ TONE ]