Version: 1.0 Page 15/15
s
G
uide
ervice
SP-HF2000A
Chapter 7.
Schematic Diagram
R
L
R
R
L
L
R
L
L
R
+
-
1
2
4
U1-A
IC-TDA
2030
3
5
U1
-B
IC-TD
A20
30
R1
22K
R2
22K
R3
1K
C1
C/101
+
C2
22uF/25V
R4
1 OH
M
C3
M/224
1
2
R-OUT
S
PEAKER
+
-
1
2
4
U2-A
IC-TDA
2030
R5
22K
R6
22K
R7
1K
C4
C/101
+
C5
22uF/25V
R8
1 OH
M
C6
M/224
R9
22K
+
-
1
2
4
U3-A
IC-TDA
2030
R10
22K
R11
22K
R12
1K
C8
C/101
+
C9
22uF/25V
R13
1 OH
M
C10
M/224
1
2
L-OUT
S
PEAKER
+
-
1
2
4
U4-A
IC-TDA
2030
R14
22K
R15
22K
R16
1K
C11
C/101
+
C12
22uF/25V
R17
1 OH
M
C13
M/224
R18
22K
1
3
RCA
1-A
2
4
RCA
1-B
-
+
2
3
1
U5-A
IC-4558
+
-
5
6
7
U5
-B
IC-455
8
4
8
U5-C
IC-4558
R2
3
10
K
R2
4
18
K
C1
8
C/10
1
R2
6
10
K
R2
8
18
K
C2
0
C/10
1
+
C1
7
4.7
uF/25
V
+
C1
9
4.7
uF/25
V
R2
9
10
OH
M
R3
0
10
OH
M
1
2
3
4
5
PH
ONE
JK/5P/PH
ONE
1
2
3
4
5
6
7
8
P1
R33
1K
R34
1K
R35
22K
R36
22K
3
5
U2
-B
IC-TD
A2030
3
5
U3-B
IC-TDA
2030
3
5
U4-B
IC-TDA
2030
1
2
3
VR
1-A
1
2
3
4
5
6
7
8
P2
R3
7
4.7
K
1
2
3
VR
2-A
R3
8
2.7
K
C2
3
M/47
3
C2
4
M/12
4
1
2
3
VR
3-A
R3
9
5.6
K
C2
5
M/222
C2
6
M/103
4
5
6
VR
1-B
R4
0
4.7
K
4
5
6
VR
2-B
R4
1
2.7
K
C2
7
M/473
C2
8
M/12
4
4
5
6
VR
3-B
R4
2
5.6
K
C2
9
M/222
C3
0
M/103
D
1
IN5
401
D
2
IN5
401
D
3
IN5
401
D
4
IN5
401
1
2
3
P3
+
C3
1
47
00
uF/25
V
+
C3
2
47
00
uF/25
V
C3
3
C/10
4
C3
4
C/10
4
+
C35
100uF/25V
+
C36
100uF/25V
R43
2K
R44
2K
+
C37
100uF/16V
+
C38
100uF/16V
R4
7
47
0
R4
8
1K
D
5
5.1
V
+
C3
9
22
uF/16
V
LE
D
C7
M/104
C14
M/104
1
2
3
4
5
6
7
8
P6
1
2
3
4
5
6
7
8
P7
1
2
RCA
2
1
2
P8
D
6
9.1V
D
7
9.1V
+
C4
0
4.7
uF/25
V
+
C4
1
4.7
uF/25
V
-
+
2
3
1
U6
-A
IC-455
8
+
-
5
6
7
U6-B
IC-4558
4
8
U6-C
IC-4558
+
C1
5
4.7
uF/25
V
+
C1
6
4.7
uF/25
V
+
C2
1
10
0u
F/1
6V
+
C2
2
10
0u
F/1
6V
+VCC
-VCC
+VCC