
- 14 -
List of mounted parts
P
ar
t
number
Cir
cuit
number
P
ar
t
name
R
ating
Quan
tit
y
1
U3
3-terminal regulator
LP2950-33LPRE3
1
2
U1
Operational amplifier
TL072IP
1
3
U1S
Operational amplifier
socket
6pin Socket
1
4
Q1, Q2
J-FET
2SK303L-V3-T92-K
2
5
D1
Schottky barrier diode
1S30(R-1)
1
6
ZD1
Zener diode
GDZJ4.7C
1
7
C2
Film capacitor
0.01
μ
F
1
8
C6, C9A
Film capacitor
0.1
μ
F
1
9
C4, C11,
C15A,
C22
Film capacitor
1
μ
F
4
10
C8A,
C15B
Film capacitor
0.047
μ
F
1
11
C5
Ceramic capacitor
0.01μF
1
12
C14, C17,
C20, C21
Ceramic capacitor
0.1μF
4
13
C10, C25
Ceramic capacitor
0.1μF
1
14
C24
Electrolytic capacitor
47μF/16V over
1
15
C1, C12,
C23
Electrolytic capacitor
100μF/16V over
4
16
C18
Electrolytic capacitor
220μF/10V over
2
17
C3, C13
Electrolytic capacitor
330μF/25V over
2
P
ar
t
number
Cir
cuit
number
P
ar
t
name
R
ating
Quan
tit
y
18
L1, L2
Inductor
WBRH-3.5x5x0.8-U3.7x10
2
19
R20
Resistor
0Ω
1
20
R2
Resistor
10Ω
1
21
R3
Resistor
100Ω
1
22
R18
Resistor
1kΩ
1
23
R4, R5,
R6, R16
Resistor
10kΩ
4
24
R14
Resistor
100kΩ
1
25
R11
Resistor
150kΩ
3
26
R26
Resistor
220kΩ
2
27
R17
Resistor
75Ω
2
28
R1, R7
Resistor
2MΩ
2
29
R15, R27
Resistor
2.4kΩ
2
30
R13, R25
Resistor
33kΩ
2
31
R10A
Resistor
4.7kΩ
1
32
R9
Resistor
51kΩ
1
33
R12
Resistor
6.8kΩ
1
34
CN7B
Board-in harness
6
1
35
CN7A
Connectors
B6B
-
PH
-
K
-
S
1
36
CN1, CN2
Connectors
B8B
-
ZR
-
3
.
4
2
37
CON1
DC jack
LD-0202AH-2.0-03A
1
38
J1, J2
Phone jack
LJB0664
-
6
2
39
SW2
Dip switch
IS-2235-G
1