SCHEMATIC
BUSINESS CARD DRIVE
4
GND
2M
2
100uF
50
0k
B
500kB
GND
5kB
VA
1M
JRC4558D
47
n
VB
47pF
1N914
20
k
100n
VB
3k
3
1k
150n
JRC4558D
220n
33
0R
GND
GND
1k
1u
F
GND
10k
10
k
GND
47uF
GND
VA
GND
GND
VB
R1
C8
VO
LU
M
E
1
2
3
DRIVE
1
2
3
TONE
1
2
3
R2
2
3
1
IC1A
C1
C3
D1
D2
R4
C2
R3
R5
C4
6
5
7
IC1B
C6
R9
R8
C5
R6
R7
C7
8
4
IN
OUT
+V
GND
D3
D4